.57 Carat Leo Diamond Solitaire Engagement Ring

$2,745.00 $1,975.00

*All ring sizing inquiries should be made before purchase to ensure that proper sizing is an option on each piece.

ADD TO WISHLIST

Shipping & Returns
14kt white gold and platinum engagement ring hosting a .57 carat round, Leo cut diamond grading as G in color and SI-2 in clarity
SKU: 001-100-11241

Returns & Exchanges

If for any reason you are not satisfied with your purchase, you have 30 days to return the undamaged merchandise. Please email us before returning the merchandise stating the reason for the return. You will be given a return authorization number. It must be sent back in its original package.

Upon receipt of your returned merchandise your refund will be processed within 2 to 3 days. If there are signs of wear, the jewelry will be inspected by one of our jewelers for damage including resizing or altering in which case it will not be accepted for return.

Returns must be shipped to:

Levy's Fine Jewelry
Attn.: Customer Relations
2116 2nd Avenue North
Birmingham, AL 35203
Authorization Number
**Please note that return shipping should be made by a trackable method such as FedEx, UPS or USPS

Shipping

We typically use either FedEx or USPS to handle shipping, but other carriers can be arranged, per customer’s request.

We take great care in packaging items to ensure that the piece is not damaged during the process of being shipped and that your piece arrives safe and secure.

We can provide tracking information for all packages shipped out by our team. All packages are sent overnight, require a signature upon receipt, and are insured under our insurance until received. If you are unable to sign for your package, a note should be left at your door by the carrier, and your package can be picked up at a nearby post office or FedEx facility. We can also ship directly to a FedEx facility if you prefer to pick it up. Shipping is available to any home or office.

For any questions or returns please contact us:

2116 2nd Avenue North
Birmingham, AL 35203
Tel: (205) 251-3381
Fax: (205) 251-7860
Email: info@levysfinejewelry.com

You may also like these related products

Platinum Baguette Diamond Engagement Ring Mounting

$1,895.00 ~~$2,795.00~~

Platinum engagement ring setting with two matching tapered baguette cut diamonds with an estimated total weight of .30 carat

Quick View {"id":6807674323009,"title":"Platinum Baguette Diamond Engagement Ring Mounting","handle":"001-141-00837-platinum-baguette-diamond-engagement-ring-mounting","description":"Platinum engagement ring setting with two matching tapered baguette cut diamonds with an estimated total weight of .30 carat","published_at":"2022-05-19T08:42:15-05:00","created_at":"2022-05-19T08:42:15-05:00","vendor":"JEWELERS HELPING JEWELERS","type":"Platinum Mountings","tags":["baguette","baguette diamond","diamond","JewelCloud","JEWELERS HELPING JEWELERS","Jewelry","mounting","None","plat","Platinum","Platinum Mountings","Rings","setting","Settings","White","Womens"],"price":189500,"price_min":189500,"price_max":189500,"available":true,"price_varies":false,"compare_at_price":279500,"compare_at_price_min":279500,"compare_at_price_max":279500,"compare_at_price_varies":false,"variants":[{"id":39935940788289,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"001-141-00837","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Platinum Baguette Diamond Engagement Ring Mounting","public_title":null,"options":["Default Title"],"price":189500,"weight":0,"compare_at_price":279500,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-baguette-diamond-engagement-ring-mounting-29489603772481.jpg?v=1653002875"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-baguette-diamond-engagement-ring-mounting-29489603772481.jpg?v=1653002875","options":["Title"],"media":[{"alt":"Platinum Mountings Platinum Baguette Diamond Engagement Ring Mounting","id":21911331799105,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-baguette-diamond-engagement-ring-mounting-29489603772481.jpg?v=1653002875"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-baguette-diamond-engagement-ring-mounting-29489603772481.jpg?v=1653002875","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"Platinum engagement ring setting with two matching tapered baguette cut diamonds with an estimated total weight of .30 carat"}

Platinum 1.02 Carat European Cut Diamond And Sapphire Engagement Ring

$6,475.00 ~~$8,750.00~~

Modern platinum Art deco style mounting hosting an estimated 1.02 carat round, old european cut diamond grading as J in color and I-1 in clarity accented by 12 French cut blue sapphires and 12 small european cut diamonds

Quick View {"id":6807673143361,"title":"Platinum 1.02 Carat European Cut Diamond And Sapphire Engagement Ring","handle":"001-101-02057-platinum-102-carat-european-cut-diamond-and-sapphire-engagement-ring","description":"Modern platinum Art deco style mounting hosting an estimated 1.02 carat round, old european cut diamond grading as J in color and I-1 in clarity accented by 12 French cut blue sapphires and 12 small european cut diamonds","published_at":"2022-05-19T08:39:25-05:00","created_at":"2022-05-19T08:39:25-05:00","vendor":"Dover Jewelry \u0026 Ant","type":"Antique Engagement Rings","tags":["1.02","Antique Engagement Rings","art","art deco","Bridal","deco","diamond","Dover Jewelry \u0026 Ant","engagement ring","Engagement Rings","european","european cut","french cut","JewelCloud","Jewelry","None","old cut","plat","Platinum","Rings","sapphire","White","Womens"],"price":647500,"price_min":647500,"price_max":647500,"available":true,"price_varies":false,"compare_at_price":875000,"compare_at_price_min":875000,"compare_at_price_max":875000,"compare_at_price_varies":false,"variants":[{"id":39935939280961,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"001-101-02057","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Platinum 1.02 Carat European Cut Diamond And Sapphire Engagement Ring","public_title":null,"options":["Default Title"],"price":647500,"weight":0,"compare_at_price":875000,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-1-02-carat-european-cut-diamond-and-sapphire-engagement-ring-29489591877697.jpg?v=1652967791"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-1-02-carat-european-cut-diamond-and-sapphire-engagement-ring-29489591877697.jpg?v=1652967791","options":["Title"],"media":[{"alt":"Antique Engagement Rings Platinum 1.02 Carat European Cut Diamond And Sapphire Engagement Ring","id":21908643151937,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-1-02-carat-european-cut-diamond-and-sapphire-engagement-ring-29489591877697.jpg?v=1652967791"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-1-02-carat-european-cut-diamond-and-sapphire-engagement-ring-29489591877697.jpg?v=1652967791","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"Modern platinum Art deco style mounting hosting an estimated 1.02 carat round, old european cut diamond grading as J in color and I-1 in clarity accented by 12 French cut blue sapphires and 12 small european cut diamonds"}

Platinum Diamond and Sapphire Ring Mounting

$3,575.00 ~~$4,295.00~~

Platinum ring mounting set with 18 round, brilliant cut diamonds with a total weight of .52 carat and 18 calibre' cut blue sapphires with a total weight of .67 carat

Quick View {"id":6807672913985,"title":"Platinum Diamond and Sapphire Ring Mounting","handle":"001-141-00836-platinum-diamond-and-sapphire-ring-mounting","description":"Platinum ring mounting set with 18 round, brilliant cut diamonds with a total weight of .52 carat and 18 calibre' cut blue sapphires with a total weight of .67 carat","published_at":"2022-05-19T08:38:46-05:00","created_at":"2022-05-19T08:38:46-05:00","vendor":"Jewels By Irina","type":"Platinum Mountings","tags":["diamond","engagement ring","engagement ring mounting","JewelCloud","Jewelry","Jewels By Irina","mounting","None","plat","Platinum","Platinum Mountings","Rings","sapphire","setting","Settings","White","Womens"],"price":357500,"price_min":357500,"price_max":357500,"available":true,"price_varies":false,"compare_at_price":429500,"compare_at_price_min":429500,"compare_at_price_max":429500,"compare_at_price_varies":false,"variants":[{"id":39935938756673,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"001-141-00836","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Platinum Diamond and Sapphire Ring Mounting","public_title":null,"options":["Default Title"],"price":357500,"weight":0,"compare_at_price":429500,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/141-00836.jpg?v=1652967526","\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/141-00836-02.jpg?v=1652967526"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/141-00836.jpg?v=1652967526","options":["Title"],"media":[{"alt":null,"id":21908622803009,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/141-00836.jpg?v=1652967526"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/141-00836.jpg?v=1652967526","width":1000},{"alt":null,"id":21908622835777,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/141-00836-02.jpg?v=1652967526"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/141-00836-02.jpg?v=1652967526","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"Platinum ring mounting set with 18 round, brilliant cut diamonds with a total weight of .52 carat and 18 calibre' cut blue sapphires with a total weight of .67 carat"}

18kt Yellow Gold 3.57 Carat Round Diamond Engagement Ring

$22,750.00 ~~$27,975.00~~

18kt yellow gold engagement ring featuring a 3.57 carat round, brilliant cut diamond grading as L in color and I-1 in clarity accented by 10 baguette cut diamonds with an estimated total weight of 2.00 carats

Quick View {"id":6807203643457,"title":"18kt Yellow Gold 3.57 Carat Round Diamond Engagement Ring","handle":"001-100-11265-18kt-yellow-gold-357-carat-round-diamond-engagement-ring","description":"18kt yellow gold engagement ring featuring a 3.57 carat round, brilliant cut diamond grading as L in color and I-1 in clarity accented by 10 baguette cut diamonds with an estimated total weight of 2.00 carats","published_at":"2022-05-18T08:40:13-05:00","created_at":"2022-05-18T08:40:13-05:00","vendor":"Street","type":"Round Diamond Engagement Rings","tags":["18 Karat","18k","18K Gold","18kt","3.57","3.57 carat","baguette","Bridal","Complete Engagement Rings","diamond","engagement ring","Engagement Rings","gold","JewelCloud","None","Round Diamond Engagement Rings","Street","Womens","Yellow"],"price":2275000,"price_min":2275000,"price_max":2275000,"available":true,"price_varies":false,"compare_at_price":2797500,"compare_at_price_min":2797500,"compare_at_price_max":2797500,"compare_at_price_varies":false,"variants":[{"id":39935939051585,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"001-100-11265","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"18kt Yellow Gold 3.57 Carat Round Diamond Engagement Ring","public_title":null,"options":["Default Title"],"price":2275000,"weight":0,"compare_at_price":2797500,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/18kt-yellow-gold-3-57-carat-round-diamond-engagement-ring-29489590534209.jpg?v=1652967773"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/18kt-yellow-gold-3-57-carat-round-diamond-engagement-ring-29489590534209.jpg?v=1652967773","options":["Title"],"media":[{"alt":"Round Diamond Engagement Rings 18kt Yellow Gold 3.57 Carat Round Diamond Engagement Ring","id":21908642037825,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/18kt-yellow-gold-3-57-carat-round-diamond-engagement-ring-29489590534209.jpg?v=1652967773"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/18kt-yellow-gold-3-57-carat-round-diamond-engagement-ring-29489590534209.jpg?v=1652967773","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"18kt yellow gold engagement ring featuring a 3.57 carat round, brilliant cut diamond grading as L in color and I-1 in clarity accented by 10 baguette cut diamonds with an estimated total weight of 2.00 carats"}

14kt White Gold .90 Carat Round, Brilliant Cut Diamond Engagement Ring

$4,975.00 ~~$6,275.00~~

14kt white gold engagement ring hosting a .90 carat round, brilliant cut diamond that is GIA graded as I in color and SI-2 in clarity accented by 58 round, brilliant cut diamonds with an estimated total weight of .76 carat

Quick View {"id":6806343221313,"title":"14kt White Gold .90 Carat Round, Brilliant Cut Diamond Engagement Ring","handle":"001-100-11309-14kt-white-gold-90-carat-round-brilliant-cut-diamond-engagement-ring","description":"14kt white gold engagement ring hosting a .90 carat round, brilliant cut diamond that is GIA graded as I in color and SI-2 in clarity accented by 58 round, brilliant cut diamonds with an estimated total weight of .76 carat","published_at":"2022-05-17T08:58:17-05:00","created_at":"2022-05-17T08:58:17-05:00","vendor":"Street","type":"Round Diamond Engagement Rings","tags":[".90","14 Karat","14k","14K Gold","14kt","Bridal","Complete Engagement Rings","Diamond","diamond ring","engagement","engagement ring","Engagement Rings","gia","gold","halo","JewelCloud","Round","Round Diamond Engagement Rings","Street","White","Womens"],"price":497500,"price_min":497500,"price_max":497500,"available":true,"price_varies":false,"compare_at_price":627500,"compare_at_price_min":627500,"compare_at_price_max":627500,"compare_at_price_varies":false,"variants":[{"id":39935938723905,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"001-100-11309","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"14kt White Gold .90 Carat Round, Brilliant Cut Diamond Engagement Ring","public_title":null,"options":["Default Title"],"price":497500,"weight":0,"compare_at_price":627500,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/14kt-white-gold-90-carat-round-brilliant-cut-diamond-engagement-ring-29489588371521.jpg?v=1652968678","\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/14kt-white-gold-90-carat-round-brilliant-cut-diamond-engagement-ring-29489588404289.jpg?v=1652968492"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/14kt-white-gold-90-carat-round-brilliant-cut-diamond-engagement-ring-29489588371521.jpg?v=1652968678","options":["Title"],"media":[{"alt":"Round Diamond Engagement Rings 14kt White Gold .90 Carat Round, Brilliant Cut Diamond Engagement Ring","id":21908702822465,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/14kt-white-gold-90-carat-round-brilliant-cut-diamond-engagement-ring-29489588371521.jpg?v=1652968678"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/14kt-white-gold-90-carat-round-brilliant-cut-diamond-engagement-ring-29489588371521.jpg?v=1652968678","width":1000},{"alt":"Round Diamond Engagement Rings 14kt White Gold .90 Carat Round, Brilliant Cut Diamond Engagement Ring","id":21908692238401,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/14kt-white-gold-90-carat-round-brilliant-cut-diamond-engagement-ring-29489588404289.jpg?v=1652968492"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/14kt-white-gold-90-carat-round-brilliant-cut-diamond-engagement-ring-29489588404289.jpg?v=1652968492","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"14kt white gold engagement ring hosting a .90 carat round, brilliant cut diamond that is GIA graded as I in color and SI-2 in clarity accented by 58 round, brilliant cut diamonds with an estimated total weight of .76 carat"}

Platinum 3.01 Carat Emerald Cut Diamond Ring

$59,975.00 ~~$76,750.00~~

Platinum ring centered by a 3.01 carat emerald cut diamond that is GIA certified as F in color and VVS-2 in clarity flanked in a custom made mounting by two cadillac cut diamonds with a total weight of .64 carat

Quick View {"id":6805138833473,"title":"Platinum 3.01 Carat Emerald Cut Diamond Ring","handle":"001-107-00264-platinum-301-carat-emerald-cut-diamond-ring","description":"Platinum ring centered by a 3.01 carat emerald cut diamond that is GIA certified as F in color and VVS-2 in clarity flanked in a custom made mounting by two cadillac cut diamonds with a total weight of .64 carat","published_at":"2022-05-15T08:20:36-05:00","created_at":"2022-05-15T08:20:36-05:00","vendor":"Street","type":"Emerald cut engagement ring","tags":["3.01","Bridal","cadillac","cadillac cut diamond","Complete Engagement Rings","Diamond","Emerald","emerald cut","Emerald cut engagement ring","engagement ring","Engagement Rings","gia","JewelCloud","plat","Platinum","ring","Street","White","Womens"],"price":5997500,"price_min":5997500,"price_max":5997500,"available":true,"price_varies":false,"compare_at_price":7675000,"compare_at_price_min":7675000,"compare_at_price_max":7675000,"compare_at_price_varies":false,"variants":[{"id":39935936069697,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"001-107-00264","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Platinum 3.01 Carat Emerald Cut Diamond Ring","public_title":null,"options":["Default Title"],"price":5997500,"weight":0,"compare_at_price":7675000,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567432769.jpg?v=1652998732","\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567465537.jpg?v=1652998736","\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567498305.jpg?v=1652998739"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567432769.jpg?v=1652998732","options":["Title"],"media":[{"alt":"Emerald cut engagement ring Platinum 3.01 Carat Emerald Cut Diamond Ring","id":21911132569665,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567432769.jpg?v=1652998732"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567432769.jpg?v=1652998732","width":1000},{"alt":"Emerald cut engagement ring Platinum 3.01 Carat Emerald Cut Diamond Ring","id":21911132602433,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567465537.jpg?v=1652998736"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567465537.jpg?v=1652998736","width":1000},{"alt":"Emerald cut engagement ring Platinum 3.01 Carat Emerald Cut Diamond Ring","id":21911132635201,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567498305.jpg?v=1652998739"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/0496\/7745\/products\/platinum-3-01-carat-emerald-cut-diamond-ring-29489567498305.jpg?v=1652998739","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"Platinum ring centered by a 3.01 carat emerald cut diamond that is GIA certified as F in color and VVS-2 in clarity flanked in a custom made mounting by two cadillac cut diamonds with a total weight of .64 carat"}

.57 Carat Leo Diamond Solitaire Engagement Ring

Shipping & Returns

Returns & Exchanges

Returns must be shipped to:

Shipping

You may also like these related products

Levys on Instagram