{"product_id":"marquise-lab-grown-diamond-vintage-engagement-ring","title":"Marquise 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\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter Diamond\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarquise Cut · 10.50 × 5.30 mm · Approx. 1.00 ct\u003c\/td\u003e\n\u003ctd\u003e1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloral Side Diamonds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 Round Brilliant · Approx. 0.11 ct\u003c\/td\u003e\n\u003ctd\u003eScaled proportionally\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMarquise Accent Diamonds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Marquise Cut · Approx. 0.06 ct\u003c\/td\u003e\n\u003ctd\u003eScaled proportionally\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Diamond Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.17 ct\u003c\/td\u003e\n\u003ctd\u003eVaries with selected center size\u003c\/td\u003e\n\u003c\/tr\u003e\n\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\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFour-Prong Basket Setting with Floral Round Cluster \u0026amp; Marquise Side Accents\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\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\n\u003c\/table\u003e\n\n\u003ch5\u003eAt a glance\u003c\/h5\u003e\n\n\u003cp\u003eA marquise lab grown diamond vintage engagement ring from Signora Jewels.\u003c\/p\u003e\n\n\u003cp\u003eThe ring shown features a 10.50 × 5.30 mm marquise cut lab grown diamond weighing approximately 1.00 ct. Twelve round brilliant diamonds and two marquise accent diamonds total approximately 0.17 ct, bringing the total diamond weight to approximately 1.17 ct. IGI certified.\u003c\/p\u003e\n\n\u003cp\u003eMade to order in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum.\u003c\/p\u003e\n\n\u003cp\u003eFree insured express shipping over $500, duties prepaid to the US, UK and Canada, with a 30-day return policy.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSelect your preferred center diamond size and precious metal using the options on this page.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe marquise cut center diamond is secured in a classic four-prong basket that protects both pointed tips while allowing generous light to enter through the open cathedral gallery. Its elongated silhouette creates elegant finger coverage and emphasizes the graceful proportions of the center stone.\u003c\/p\u003e\n\n\u003cp\u003eRound brilliant diamonds form delicate floral-inspired clusters beside the center, while marquise accent diamonds continue the flowing botanical theme along the shoulders. The slender comfort shank keeps the design refined and balanced so every decorative detail naturally frames the center diamond. Signora Jewels crafts every ring to order in your selected precious metal and center diamond size.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesign Highlights\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eCustomizable marquise cut lab grown diamond from 1 ct to 4.5 ct\u003c\/li\u003e\n\n\u003cli\u003eFour-prong cathedral basket setting\u003c\/li\u003e\n\n\u003cli\u003eFloral round brilliant diamond clusters\u003c\/li\u003e\n\n\u003cli\u003eMarquise cut side accent diamonds\u003c\/li\u003e\n\n\u003cli\u003eOpen gallery construction\u003c\/li\u003e\n\n\u003cli\u003eHigh polish finish\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003cp\u003eBrowse more \u003ca href=\"\/collections\/vintage-engagement-rings\"\u003eVintage Engagement Rings\u003c\/a\u003e, explore our \u003ca href=\"\/pages\/engagement-ring-guide\"\u003eEngagement Ring Guide\u003c\/a\u003e, or compare precious metals using our \u003ca href=\"\/pages\/metal-guide\"\u003eMetal Guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch5\u003eDiamond \u0026amp; Ring Details\u003c\/h5\u003e\n\n\u003ctable\u003e\n\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\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter Diamond\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarquise Cut · 10.50 × 5.30 mm · Approx. 1.00 ct (shown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloral Side Diamonds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 Round Brilliant · Approx. 0.11 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMarquise Accent Diamonds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Marquise Cut · Approx. 0.06 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Stones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Diamond Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.17 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter Diamond Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct and 4.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\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\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eMeasurements are approximate. Final dimensions vary according to the selected center diamond size.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch5\u003eAbout Lab Grown Diamonds\u003c\/h5\u003e\n\n\u003cp\u003eThe marquise cut combines graceful length with exceptional brilliance, while the floral-inspired round brilliant clusters soften the silhouette and highlight the center stone. Marquise accents echo the center shape, creating a harmonious vintage-inspired design.\u003c\/p\u003e\n\n\u003ch5\u003eMetal, Care \u0026amp; Fit\u003c\/h5\u003e\n\n\u003cp\u003eAvailable in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum. Clean beneath the cathedral basket and around the floral clusters with warm water, mild soap and a soft brush to maintain brilliance.\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy is the marquise diamond secured with four prongs?\u003c\/strong\u003e\u003cbr\u003e\nThe four-prong basket supports the center while protecting the pointed tips and allowing excellent light performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I choose a different center diamond size?\u003c\/strong\u003e\u003cbr\u003e\nYes. This design is available with center diamond options from 1 ct through 4.5 ct while preserving the same vintage-inspired styling.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat do the floral side clusters add?\u003c\/strong\u003e\u003cbr\u003e\nThe round brilliant clusters introduce soft sparkle that complements the elongated marquise center without overpowering it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this ring suitable for everyday wear?\u003c\/strong\u003e\u003cbr\u003e\nYes. The cathedral basket, comfort shank and secure settings are designed for comfortable daily wear while showcasing the center diamond beautifully.\u003c\/p\u003e","brand":"Signora Jewels","offers":[{"title":"Silver \/ 1 ct","offer_id":58576101507232,"sku":"SJ\/DR\/LGRG0237","price":401.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 1.5 ct","offer_id":58576129360032,"sku":"SJ\/DR\/LGRG0237","price":581.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 2 ct","offer_id":58576129392800,"sku":"SJ\/DR\/LGRG0237","price":786.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 2.5 ct","offer_id":58576129425568,"sku":"SJ\/DR\/LGRG0237","price":1015.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 3 ct","offer_id":58576129458336,"sku":"SJ\/DR\/LGRG0237","price":1270.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 3.5 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ct","offer_id":58576130080928,"sku":"SJ\/DR\/LGRG0237","price":1401.0,"currency_code":"USD","in_stock":true},{"title":"9K Rose Gold \/ 2.5 ct","offer_id":58576130113696,"sku":"SJ\/DR\/LGRG0237","price":1698.0,"currency_code":"USD","in_stock":true},{"title":"9K Rose Gold \/ 3 ct","offer_id":58576130146464,"sku":"SJ\/DR\/LGRG0237","price":2020.0,"currency_code":"USD","in_stock":true},{"title":"9K Rose Gold \/ 3.5 ct","offer_id":58576130179232,"sku":"SJ\/DR\/LGRG0237","price":2367.0,"currency_code":"USD","in_stock":true},{"title":"9K Rose Gold \/ 4 ct","offer_id":58576130212000,"sku":"SJ\/DR\/LGRG0237","price":2739.0,"currency_code":"USD","in_stock":true},{"title":"9K Rose Gold \/ 4.5 ct","offer_id":58576130244768,"sku":"SJ\/DR\/LGRG0237","price":3080.0,"currency_code":"USD","in_stock":true},{"title":"14K Yellow Gold \/ 1 ct","offer_id":58576101638304,"sku":"SJ\/DR\/LGRG0237","price":1281.0,"currency_code":"USD","in_stock":true},{"title":"14K Yellow Gold \/ 1.5 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