{"product_id":"duet-collection-mg428","title":"Round Tennis Necklace","description":"\u003cp\u003eA continuous line of round-cut lab-grown diamonds set with uniform spacing, tracing a precise arc of light across the neckline. Each stone is matched in brilliance, so the overall effect is clean and quietly commanding, whether worn alone or layered.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStone: Lab-grown round-cut diamonds\u003cbr\u003eAvailable in:\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003e0.01ct per stone (approx. 1.3mm):\u003c\/strong\u003e Approx. 200–315 stones, approx. 2.8–3.15ct total, band width approx. under 2mm, platinum weight approx. 11.5–13.0g\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003e0.025ct per stone (approx. 1.8mm):\u003c\/strong\u003e Approx. 200–230 stones, approx. 5.0–5.75ct total, band width approx. 2.5mm, platinum weight approx. 15.0–16.9g\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003e0.04ct per stone (approx. 2.1mm):\u003c\/strong\u003e Approx. 180–200 stones, approx. 7.2–8.0ct total, band width approx. under 3mm, platinum weight approx. 17.6–19.6g\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003e0.1ct per stone (approx. 3.0mm):\u003c\/strong\u003e Approx. 125–140 stones, approx. 12.5–14.0ct total, band width approx. 4mm, platinum weight approx. 18.7–21.0g\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003e0.2ct per stone (approx. 4.0mm):\u003c\/strong\u003e Approx. 95–105 stones, approx. 19.0–21.0ct total, band width approx. under 5mm, platinum weight approx. 25.0–30.0g\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eAll specifications above reflect the platinum version. Stone count, carat total, and weight scale proportionally across the three available lengths: 40cm (approx. 15.7 in), 43cm (approx. 16.9 in), and 46cm (approx. 18.1 in).\u003c\/p\u003e\n\u003cp\u003eMetal: Platinum, 18K Yellow Gold, or 18K Rose Gold\u003c\/p\u003e\n\u003cp\u003eHandcrafted to order in approximately 4 to 6 weeks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomization\u003c\/strong\u003e\u003cbr\u003eFor all customizations please contact us.\u003cbr\u003eIf your preferred necklace length is not listed please contact us. Length adjustments are available upon request. Also available in 14K Gold.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e MG185\u003c\/p\u003e\n\u003cp\u003eIncludes secure international shipping and lifetime care guidance.\u003c\/p\u003e","brand":"M Grace","offers":[{"title":"Platinum \/ 約1.34ct","offer_id":50543779610689,"sku":null,"price":209200.0,"currency_code":"JPY","in_stock":true},{"title":"Platinum \/ 約2.0ct","offer_id":50543779643457,"sku":null,"price":238000.0,"currency_code":"JPY","in_stock":true},{"title":"Platinum \/ 約3.0ct","offer_id":50543779676225,"sku":null,"price":308800.0,"currency_code":"JPY","in_stock":true},{"title":"Platinum \/ 約3.0ct","offer_id":50547576832065,"sku":null,"price":358000.0,"currency_code":"JPY","in_stock":true},{"title":"18K Yellow Gold \/ 約1.34ct","offer_id":50543779708993,"sku":null,"price":243400.0,"currency_code":"JPY","in_stock":true},{"title":"18K Yellow Gold \/ 約2.0ct","offer_id":50543779741761,"sku":null,"price":274200.0,"currency_code":"JPY","in_stock":true},{"title":"18K Yellow Gold \/ 約3.0ct","offer_id":50543779774529,"sku":null,"price":348100.0,"currency_code":"JPY","in_stock":true},{"title":"18K Yellow Gold \/ 約3.0ct","offer_id":50547576864833,"sku":null,"price":402400.0,"currency_code":"JPY","in_stock":true},{"title":"18K Rose Gold \/ 約1.34ct","offer_id":50543779807297,"sku":null,"price":243400.0,"currency_code":"JPY","in_stock":true},{"title":"18K Rose Gold \/ 約2.0ct","offer_id":50543779840065,"sku":null,"price":274200.0,"currency_code":"JPY","in_stock":true},{"title":"18K Rose Gold \/ 約3.0ct","offer_id":50543779872833,"sku":null,"price":348100.0,"currency_code":"JPY","in_stock":true},{"title":"18K Rose Gold \/ 約3.0ct","offer_id":50547576897601,"sku":null,"price":402400.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/9544\/1985\/files\/ChatGPT_2026_9_28_18_02_47.png?v=1790586248","url":"https:\/\/mgrace-jwl.com\/en\/products\/duet-collection-mg428","provider":"M Grace","version":"1.0","type":"link"}