{"product_id":"cushion-old-mine-cut-lab-grown-diamond-split-shank-engagement-ring","title":"Cushion Cut Lab Grown Diamond Split Shank Engagement Ring","description":"\u003ctable style=\"width: 100.063%; height: 235.228px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003cth style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 74.5933%; height: 19.6023px;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eCenter diamond\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eCushion Old Mine Cut · approx. 6.50 × 5.95 × 4.00 mm · approx. 1.00 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eAccent diamonds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eNone · 0 stones · 0.00 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eTotal diamond weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eApprox. 1.00 ct · 1 stone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eStone type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eLab Grown Diamond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eDiamond quality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eF color · VS1 clarity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eSetting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eSplit Shank · two curved arms framing a center held by four tapered prongs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eProng placement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eOne at each end of the cushion and one at each side midpoint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eBand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003ePlain polished lower shank · estimated 2.80 mm wide and 1.50 mm thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eShoulder width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eEstimated 4.5–5.5 mm across the split section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eSetting height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eEstimated 6.0–6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 23.1897%; height: 19.6023px;\"\u003e\u003cstrong\u003eFinish · Occasion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5933%; height: 19.6023px;\"\u003eHigh Polish · Engagement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eAt a glance\u003c\/h5\u003e\n\u003cp\u003eA cushion old mine-cut lab grown diamond split-shank engagement ring from Signora Jewels.\u003c\/p\u003e\n\u003cp\u003eOne approx. 1.00 ct cushion old mine-cut diamond, 6.50 × 5.95 × 4.00 mm, in a Split Shank setting with four prongs; 0 accent diamonds, 0.00 ct. 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\u003cp\u003e\u003cstrong\u003eMade to order in your chosen metal with a fixed, approximately 1.00 ct cushion old mine-cut center.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSignora Jewels splits the shoulders of this \u003ca href=\"\/collections\/engagement-rings\"\u003eengagement ring\u003c\/a\u003e into two polished arms that bow around the cushion. The space beside the diamond stays open.\u003c\/p\u003e\n\u003cp\u003eFour tapered prongs hold the approximately 1.00 ct center, estimated at 6.50 × 5.95 × 4.00 mm. The lower shank is estimated at 2.80 mm wide.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesign highlights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne cushion old mine-cut center, approximately 1.00 ct and 6.50 × 5.95 × 4.00 mm\u003c\/li\u003e\n\u003cli\u003eSplit Shank design with two polished arms framing the diamond\u003c\/li\u003e\n\u003cli\u003eFour tapered prongs at the cushion’s ends and side midpoints\u003c\/li\u003e\n\u003cli\u003eOpen split section spanning an estimated 4.5–5.5 mm\u003c\/li\u003e\n\u003cli\u003ePlain polished lower shank, estimated at 2.80 mm wide and 1.50 mm thick\u003c\/li\u003e\n\u003cli\u003eNo halo, side diamonds or diamond-set shoulders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe split section spans an estimated 4.5–5.5 mm, including the open space. You see a wider outline around the stone without a solid panel of metal filling it.\u003c\/p\u003e\n\u003ch5\u003eAbout Lab Grown Diamonds\u003c\/h5\u003e\n\u003cp\u003eOne \u003ca href=\"\/pages\/diamond-stone-guide\"\u003ecushion old mine-cut lab grown diamond\u003c\/a\u003e sits between the curved arms; no accent stones contribute to the approximately 1.00 ct total.\u003c\/p\u003e\n\u003ch5\u003eMetal, Care \u0026amp; Fit\u003c\/h5\u003e\n\u003cp\u003eClean the four prongs and the spaces between the arms with a soft brush, following the \u003ca href=\"\/pages\/jewelry-care-and-repairs\"\u003ecare guidance\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eIs the split frame around the 1.00 ct cushion two separate rings?\u003c\/strong\u003e\u003cbr\u003eThe two curved arms belong to one split-shank ring, not a pair of stacked bands. They frame the old mine-cut center, with open space between them beside the diamond.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere do the four prongs sit on the old mine-cut cushion?\u003c\/strong\u003e\u003cbr\u003eThe four tapered prongs sit at the two ends and the midpoint of each side, rather than on the cushion’s four corners. Portions of the rounded corners and edges remain exposed, so remove the ring for lifting or work that knocks the setting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 4.5–5.5 mm split section leave room for a straight wedding band?\u003c\/strong\u003e\u003cbr\u003eThe 4.5–5.5 mm estimate spans the split frame, while 2.80 mm describes the lower shank. Neither measurement establishes clearance beside the curved arms. Check a companion band against the finished ring so it does not press on an arm or prong.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I clean the spaces between the arms and the cushion?\u003c\/strong\u003e\u003cbr\u003eThe open spaces sit beside the cushion between the polished split-shank arms. Use warm water, mild soap and a soft brush around the four prongs and along the inner curves, then rinse thoroughly and pat dry. Do not pull cloth through the gaps.\u003c\/p\u003e","brand":"Signora Jewels","offers":[{"title":"Silver","offer_id":67671398514848,"sku":"SJ\/DR\/LGRG0428\/S","price":331.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold","offer_id":67671398547616,"sku":"SJ\/DR\/LGRG0428\/10KY","price":628.0,"currency_code":"USD","in_stock":true},{"title":"10K White Gold","offer_id":67671398580384,"sku":"SJ\/DR\/LGRG0428\/10KW","price":628.0,"currency_code":"USD","in_stock":true},{"title":"10K Rose Gold","offer_id":67671398613152,"sku":"SJ\/DR\/LGRG0428\/10KR","price":628.0,"currency_code":"USD","in_stock":true},{"title":"14K Yellow Gold","offer_id":67671398645920,"sku":"SJ\/DR\/LGRG0428\/14KY","price":895.0,"currency_code":"USD","in_stock":true},{"title":"14K White Gold","offer_id":67671398678688,"sku":"SJ\/DR\/LGRG0428\/14KW","price":895.0,"currency_code":"USD","in_stock":true},{"title":"14K Rose Gold","offer_id":67671398711456,"sku":"SJ\/DR\/LGRG0428\/14KR","price":895.0,"currency_code":"USD","in_stock":true},{"title":"18K Yellow Gold","offer_id":67671398744224,"sku":"SJ\/DR\/LGRG0428\/18KY","price":1223.0,"currency_code":"USD","in_stock":true},{"title":"18K White Gold","offer_id":67671398776992,"sku":"SJ\/DR\/LGRG0428\/18KW","price":1223.0,"currency_code":"USD","in_stock":true},{"title":"18K Rose Gold","offer_id":67671398809760,"sku":"SJ\/DR\/LGRG0428\/18KR","price":1223.0,"currency_code":"USD","in_stock":true},{"title":"Platinum","offer_id":67671398842528,"sku":"SJ\/DR\/LGRG0428\/PT","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1035\/3033\/2320\/files\/Elegantsplit-shankcushiondiamondring.png?v=1791623075","url":"https:\/\/signorajewels.com\/products\/cushion-old-mine-cut-lab-grown-diamond-split-shank-engagement-ring","provider":"Signora Jewels","version":"1.0","type":"link"}