{"product_id":"marquise-cut-lab-grown-diamond-vintage-engagement-ring","title":"Marquise Cut Lab Grown Diamond Vintage Engagement Ring","description":"\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eIn the photos\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eCustomizable\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter diamond\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarquise · 20.5 × 10.8 mm · approx. 10.00 ct\u003c\/td\u003e\n\u003ctd\u003e5 ct, 6 ct, 7 ct, 8 ct, 9 ct or 10 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccent diamonds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal diamond weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 10.00 ct · 1 stone\u003c\/td\u003e\n\u003ctd\u003eVaries with selected center weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStone type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLab Grown Diamond\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSix-Prong\u003c\/td\u003e\n\u003ctd\u003eScales with center\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCathedral shoulders with ornamental Art Deco scrollwork\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish · Occasion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh Polish · Engagement, Anniversary, Bridal\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch5\u003eAt a glance\u003c\/h5\u003e\n\u003cp\u003eA marquise lab grown diamond vintage solitaire engagement ring from Signora Jewels.\u003c\/p\u003e\n\u003cp\u003eThe photographed ring carries a 10.00 ct marquise measuring approximately 20.5 × 10.8 mm in a reinforced six-prong setting, with cathedral support and no accent diamonds. Approx. 10.00 ct total. IGI certified.\u003c\/p\u003e\n\u003cp\u003eMade to order in 11 metals: silver, 9K\/14K\/18K gold (yellow, white, rose) and platinum.\u003c\/p\u003e\n\u003cp\u003eFree insured express shipping over $500, duties prepaid to the US, UK and Canada, 30-day returns.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEach metal color is shown in the photos. Choose a 5 ct, 6 ct, 7 ct, 8 ct, 9 ct or 10 ct center and your preferred metal from the options on this page.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSignora Jewels built this ring around a marquise that needs real structure underneath it. At the photographed 10.00 ct weight, the diamond measures approximately 20.5 mm from point to point and 10.8 mm across, with six prongs securing the tips and long sides.\u003c\/p\u003e\n\n\u003cp\u003eThe setting rises approximately 11.50 mm at that reference weight. Cathedral shoulders widen to about 5.20 mm beside the center, then taper into a 3.20 mm lower shank. Deep scroll carving fills the shoulders, bordered by fine beaded detail instead of accent stones.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesign highlights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMarquise center options: 5 ct, 6 ct, 7 ct, 8 ct, 9 ct or 10 ct\u003c\/li\u003e\n\u003cli\u003ePhotographed 10.00 ct center measures approximately 20.5 × 10.8 mm\u003c\/li\u003e\n\u003cli\u003eSix-prong setting protects both pointed ends and supports the long sides\u003c\/li\u003e\n\u003cli\u003eReinforced head supported by rising cathedral shoulders\u003c\/li\u003e\n\u003cli\u003eOrnamental Art Deco scrollwork across approximately 5.20 mm shoulders\u003c\/li\u003e\n\u003cli\u003eApprox. 3.20 mm lower shank with a High Polish finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe scale is deliberate. At 10.00 ct, the marquise dominates the top view, while the broad carved shoulders keep the head from looking disconnected from the band. Explore more \u003ca href=\"\/collections\/engagement-rings\"\u003eengagement rings\u003c\/a\u003e, compare elongated cuts in the \u003ca href=\"\/pages\/diamond-stone-guide\"\u003ediamond stone guide\u003c\/a\u003e, or review all 11 choices in the \u003ca href=\"\/pages\/metal-guide\"\u003emetal guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch5\u003eDiamond \u0026amp; Ring Details\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter stone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarquise · 20.5 × 10.8 mm · approx. 10.00 ct in the photographed design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccent stones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal weight \/ count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 10.00 ct · 1 stone in the photographed design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSix-Prong\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStructure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReinforced head with cathedral support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBand details\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 3.20 mm lower width · 2.10 mm lower thickness · 5.20 mm shoulder width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 11.50 mm at the 10.00 ct reference weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 ct, 6 ct, 7 ct, 8 ct, 9 ct, 10 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh Polish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eMeasurements are approximate. The selected center weight determines the final diamond dimensions, head proportions and total diamond weight.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch5\u003eAbout Lab Grown Diamonds\u003c\/h5\u003e\n\u003cp\u003eA marquise distributes its carat weight along a long, pointed outline, giving this ring substantial coverage from tip to tip. The photographed 10.00 ct center measures approximately 20.5 × 10.8 mm. The two end prongs guard the pointed tips, while four additional prongs hold the long sides of the diamond.\u003c\/p\u003e\n\n\u003ch5\u003eMetal, Care \u0026amp; Fit\u003c\/h5\u003e\n\u003cp\u003eThe photographed construction uses approximately 10.45 g of 18K gold before the center is set. Yellow and rose gold put more contrast into the recessed shoulder carving, while white gold and platinum keep the head closer in tone to the diamond. Clean beneath the open setting with warm water, mild soap and a soft brush, and have all six prongs checked after a hard impact.\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhich center weights are available for this marquise ring?\u003c\/strong\u003e\u003cbr\u003e\nThis design is available with a 5 ct, 6 ct, 7 ct, 8 ct, 9 ct or 10 ct center. The photographed version uses the 10.00 ct option, measuring approximately 20.5 × 10.8 mm.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy does this oversized marquise use six prongs?\u003c\/strong\u003e\u003cbr\u003e\nSix prongs secure both pointed tips and add four contact points along the long sides. That distributes support around a center designed to scale from 5 ct through 10 ct.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow high does the 10 ct version sit?\u003c\/strong\u003e\u003cbr\u003e\nThe photographed 10.00 ct setting is approximately 11.50 mm high. Cathedral shoulders rise into the reinforced head from both sides to support that elevated center.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill the marquise tips catch on clothing?\u003c\/strong\u003e\u003cbr\u003e\nDedicated end prongs cover the two pointed tips, but this remains a large, raised marquise design. Take extra care around open knits, lace and gloves, particularly with the larger center options.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhich metal brings out the carved shoulders best?\u003c\/strong\u003e\u003cbr\u003e\nYellow and rose gold create stronger visible shadow inside the ornamental scrollwork. White gold and platinum shift more visual attention toward the marquise while retaining the same carved shoulder pattern.\u003c\/p\u003e","brand":"Signora Jewels","offers":[{"title":"Silver \/ 5 ct","offer_id":58584199430304,"sku":"SJ\/DR\/LGRG1122","price":2490.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 6 ct","offer_id":58584206672032,"sku":"SJ\/DR\/LGRG1122","price":2963.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 7 ct","offer_id":58584206704800,"sku":"SJ\/DR\/LGRG1122","price":3435.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 8 ct","offer_id":58584206737568,"sku":"SJ\/DR\/LGRG1122","price":3907.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 9 ct","offer_id":58584206770336,"sku":"SJ\/DR\/LGRG1122","price":4379.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 10 ct","offer_id":58584206803104,"sku":"SJ\/DR\/LGRG1122","price":4851.0,"currency_code":"USD","in_stock":true},{"title":"9K Yellow Gold \/ 5 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