{"product_id":"luna-fancy-yellow-marquise-lab-grown-diamond-vintage-ring-1352","title":"Luna Marquise Cut Lab Grown Diamond Vintage Engagement Ring","description":"\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 diamond\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFancy Yellow Dutch Marquise Cut · 15.0 × 7.4 mm · 3.00 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 · 0.00 ct\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\u003e3.00 ct · 1 diamond\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProtective Six-Prong Marquise with raised open gallery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShoulders\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVintage floral and scroll engraving with fine milgrain edges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBand width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.80 mm at bottom; 2.4–2.8 mm across decorated shoulders\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. 7.3–7.8 mm\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\u003ch5\u003eAt a glance\u003c\/h5\u003e\n\u003cp\u003eA fancy yellow marquise cut lab grown diamond engagement ring from Signora Jewels, featuring vintage engraved shoulders.\u003c\/p\u003e\n\u003cp\u003eOne 15.0 × 7.4 mm Dutch marquise diamond weighing 3.00 ct, with no additional diamonds.\u003c\/p\u003e\n\u003cp\u003eProtective prongs at both pointed ends, side claw support and a raised decorative open gallery.\u003c\/p\u003e\n\u003cp\u003eAvailable in 10K, 14K and 18K yellow, white or rose gold, silver and platinum. Center weight is fixed.\u003c\/p\u003e\n\n\u003cp\u003eThe yellow diamond rises above a band engraved with small flowers and curling stems. Signora Jewels sets this 15.0 × 7.4 mm Dutch marquise lengthwise, covering both narrow tips with protective prongs while four additional claws hold the sides. The stone's pointed outline stays fully visible from above, without a surrounding halo.\u003c\/p\u003e\n\n\u003cp\u003eThe shoulder engraving is worked directly into the metal, with a fine beaded border along its edges. There are no extra diamonds hidden among the flowers. At the reference size, the 3.00 ct center sits approximately 7.3–7.8 mm high, and the decorated shoulders taper into a polished 1.80 mm lower shank.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesign highlights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFancy Yellow Dutch Marquise Cut center · 3.00 ct\u003c\/li\u003e\n\u003cli\u003eElongated 15.0 × 7.4 mm diamond dimensions\u003c\/li\u003e\n\u003cli\u003eProtective pointed-end prongs with four side claws\u003c\/li\u003e\n\u003cli\u003eRaised ornamental basket with open gallery\u003c\/li\u003e\n\u003cli\u003eEngraved floral and scroll shoulders with milgrain borders\u003c\/li\u003e\n\u003cli\u003eNo halo, pavé or accent diamonds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe decorated shoulder section measures approximately 2.4–2.8 mm across. Its small floral shapes add detail without competing with the yellow center. Explore our \u003ca href=\"\/collections\/engagement-rings\"\u003eengagement rings\u003c\/a\u003e, browse \u003ca href=\"\/collections\/rings\"\u003ediamond rings\u003c\/a\u003e, or consult our \u003ca href=\"\/pages\/diamond-stone-guide\"\u003ediamond and stone guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch5\u003eMetal, Care \u0026amp; Fit\u003c\/h5\u003e\n\u003cp\u003eChoose 10K, 14K or 18K yellow, white or rose gold, silver or platinum. Clean the engraved flowers and milgrain borders with mild soap, warm water and a soft brush. The raised marquise setting needs care around fitted sleeves and gloves. Remove the ring before heavy lifting, and avoid direct knocks against the pointed ends.\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eIs the yellow center a lab grown diamond?\u003c\/strong\u003e Yes. The Dutch marquise center is a 3.00 ct fancy yellow lab grown diamond measuring approximately 15.0 × 7.4 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre both pointed ends protected?\u003c\/strong\u003e Yes. Shaped prongs support both marquise tips, while four additional side claws hold the wider edges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the flowers on the shoulders set with diamonds?\u003c\/strong\u003e No. The floral patterns and milgrain borders are decorative metalwork. The ring contains only its 3.00 ct center diamond.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow high does the center sit?\u003c\/strong\u003e The reference setting stands approximately 7.3–7.8 mm high, with an open gallery beneath the diamond.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I clean the engraved shoulders?\u003c\/strong\u003e Use warm water, mild soap and a soft brush, gently working between the small flower motifs and along the beaded edges. Rinse and dry thoroughly.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Signora Jewels","offers":[{"title":"Silver \/ 1 ct","offer_id":68173433471136,"sku":"SJ\/DR\/LGRG1352","price":325.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 1.5 ct","offer_id":68173433503904,"sku":"SJ\/DR\/LGRG1352","price":505.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 2 ct","offer_id":68173433536672,"sku":"SJ\/DR\/LGRG1352","price":710.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 2.5 ct","offer_id":68173433569440,"sku":"SJ\/DR\/LGRG1352","price":939.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 3 ct","offer_id":68173433602208,"sku":"SJ\/DR\/LGRG1352","price":1194.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 3.5 ct","offer_id":68173433634976,"sku":"SJ\/DR\/LGRG1352","price":1474.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ 4 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