{"product_id":"cushion-lab-grown-diamond-curved-trillion-engagement-ring","title":"Cushion Lab Grown Diamond Curved Trillion Engagement Ring","description":"\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDetail\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\u003eRing style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree-stone engagement ring with split pavé shoulders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter diamond\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCushion · 7.20 × 5.20 mm · Approx. 1.200 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSide diamonds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 curved trillion diamonds · 3.50 × 3.50 mm · Approx. 0.240 ct total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePavé diamonds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36 round diamonds · 0.70–1.80 mm · Approx. 0.283 ct total\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. 1.723 ct · 39 diamonds\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\u003eFour-prong cushion basket, prong-set curved trillions and pavé split shoulders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReference size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUS 8\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\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOccasion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngagement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eDiamond details\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eQty\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eWeight (approx.)\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCushion center\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.20 × 5.20 mm\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1.200 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurved trillion side stones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.50 × 3.50 mm\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e0.240 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRound accents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.80 mm\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e0.100 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRound accents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.40 mm\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e0.048 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRound accents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.10 mm\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e0.048 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRound accents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.00 mm\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e0.060 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRound accents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.90 mm\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e0.024 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRound accents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.70 mm\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e0.003 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e39\u003c\/td\u003e\n\u003ctd\u003e1.723 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch5\u003eAt a glance\u003c\/h5\u003e\n\u003cp\u003eA fixed cushion Lab Grown Diamond curved-trillion engagement ring from Signora Jewels.\u003c\/p\u003e\n\u003cp\u003eThe ring includes a 1.200 ct, 7.20 × 5.20 mm cushion center, two curved trillion side stones and 36 round pavé accents; diamond certification included.\u003c\/p\u003e\n\u003cp\u003eThirty-nine diamonds total approx. 1.723 ct in raised prong settings above split diamond-set shoulders.\u003c\/p\u003e\n\u003cp\u003eMade to order in 11 metals, with insured express shipping, prepaid duties to the US, UK and Canada, and 30-day returns.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade to order — select your metal above.\u003c\/em\u003e Adjust the setting height or side-stone proportions through our \u003ca href=\"https:\/\/signorajewels.com\/pages\/truly-custom\"\u003ecustom jewelry service\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eSignora Jewels sets the 7.20 × 5.20 mm cushion between two curved trillions that follow its lower sides. The center sits in four prongs, while each triangular accent points inward to close the space between the diamond and the band.\u003c\/p\u003e\n\n\u003cp\u003eThe shoulders divide into two narrow rails near the head. Thirty-six rounds run through those rails in graduated sizes from 0.70 to 1.80 mm, creating a finer line of light as the split returns to one plain lower shank.\u003c\/p\u003e\n\n\u003cp\u003eAll three larger stones sit above an open gallery. A soft brush can reach beneath the baskets, and the polished palm side has no pavé edges against the finger.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesign highlights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCushion Lab Grown Diamond center, Approx. 1.200 ct\u003c\/li\u003e\n\u003cli\u003eApprox. 7.20 × 5.20 mm center dimensions\u003c\/li\u003e\n\u003cli\u003eTwo curved trillion side diamonds totaling Approx. 0.240 ct\u003c\/li\u003e\n\u003cli\u003eThirty-six round pavé diamonds totaling Approx. 0.283 ct\u003c\/li\u003e\n\u003cli\u003eGraduated round accents from Approx. 0.70 to 1.80 mm\u003c\/li\u003e\n\u003cli\u003eFour-prong center basket with individual side-stone settings\u003c\/li\u003e\n\u003cli\u003eSplit diamond-set shoulders returning to one plain lower band\u003c\/li\u003e\n\u003cli\u003eApprox. 1.723 ct total diamond weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe curved trillions are the working detail. Their inner points tuck beside the cushion, while their bowed outer edges lead directly into the split shoulders instead of leaving a hard break between the stones and the band.\u003c\/p\u003e\n\n\u003ch5\u003eAbout Lab Grown Diamonds\u003c\/h5\u003e\n\u003cp\u003eA cushion cut combines rounded corners with brilliant-style faceting. The curved trillions continue its outline sideways, while the smaller round diamonds produce tighter flashes along the divided shoulders.\u003c\/p\u003e\n\u003cp\u003eLab grown diamonds have the same carbon crystal structure, hardness and optical properties as mined diamonds. They are graded by the same cut, color, clarity and carat standards.\u003c\/p\u003e\n\n\u003ch5\u003eMetal, Care \u0026amp; Fit\u003c\/h5\u003e\n\u003cp\u003eChoose silver, 9K\/14K\/18K gold in yellow, white or rose, or platinum. 9K contains more strengthening alloy, while 18K contains more gold and carries richer color; compare the options in the \u003ca href=\"https:\/\/signorajewels.com\/pages\/metal-guide\"\u003emetal guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eOrder in your known US size. The three-stone head and split shoulders cover more of the finger than a plain solitaire, so accurate sizing keeps the cushion upright; use the \u003ca href=\"https:\/\/signorajewels.com\/pages\/ring-size-fit\"\u003ering size and fit guide\u003c\/a\u003e. Clean beneath each basket and between the two shoulder rails with warm water, mild soap and a soft brush.\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eIs the center diamond included?\u003c\/strong\u003e\u003cbr\u003eYes. The ring includes one fixed 1.200 ct cushion Lab Grown Diamond measuring approximately 7.20 × 5.20 mm.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the total diamond weight?\u003c\/strong\u003e\u003cbr\u003eThe ring contains approximately 1.723 ct across 39 diamonds. That total includes the 1.200 ct center and approximately 0.523 ct of curved trillion and round accent diamonds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow are the curved trillion diamonds positioned?\u003c\/strong\u003e\u003cbr\u003eOne curved trillion sits on each side of the cushion with its point directed inward. Their rounded outer edges lead into the divided pavé shoulders.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow is the cushion center held?\u003c\/strong\u003e\u003cbr\u003eThe cushion center is secured by four prongs around its rounded corners. The raised basket leaves the sides visible and gives access beneath the pavilion for cleaning.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does the split shank do?\u003c\/strong\u003e\u003cbr\u003eThe upper shank separates into two narrow diamond-set rails on each side of the center. Those rails add width near the three-stone head, then return to one plain band below.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill a wedding band sit beside this ring?\u003c\/strong\u003e\u003cbr\u003eA straight wedding band sits beside the plain lower shank, though the raised side-stone baskets can leave a narrow gap near the head. A gently contoured band follows the gallery more closely.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow does a curved trillion compare with a standard trillion?\u003c\/strong\u003e\u003cbr\u003eA curved trillion has a bowed outer edge that follows the center and shoulder line more closely, while a standard trillion has three straighter sides. The curved outline gives this ring a smoother transition into the split shank.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between 9K and 18K gold?\u003c\/strong\u003e\u003cbr\u003e9K gold contains more strengthening alloy and has a harder surface, while 18K contains more gold and carries richer color. Signora Jewels makes this design in both, along with 14K gold, silver and platinum.\u003c\/p\u003e","brand":"DND Ring","offers":[{"title":"Silver","offer_id":58186679222432,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"9K Yellow Gold","offer_id":58186679255200,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"9K White Gold","offer_id":58186679287968,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"9K Rose Gold","offer_id":58186679320736,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"14K Yellow Gold","offer_id":58186679353504,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"14K White Gold","offer_id":58186679386272,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"14K Rose Gold","offer_id":58186679419040,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"18K Yellow Gold","offer_id":58186679451808,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"18K White Gold","offer_id":58186679484576,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"18K Rose Gold","offer_id":58186679517344,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Platinum","offer_id":58186679550112,"sku":"DND\/L\/RING\/334","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1035\/3033\/2320\/files\/00001L-2026-07-16T142306.945.webp?v=1784192095","url":"https:\/\/signorajewels.com\/products\/cushion-lab-grown-diamond-curved-trillion-engagement-ring","provider":"Signora Jewels","version":"1.0","type":"link"}