{"product_id":"mg393","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":"0.01ct \/ Platinum \/ 40cm (16inch)","offer_id":44515498721345,"sku":null,"price":666000.0,"currency_code":"JPY","in_stock":true},{"title":"0.01ct \/ Platinum \/ 43cm (17inch)","offer_id":44515498754113,"sku":null,"price":683200.0,"currency_code":"JPY","in_stock":true},{"title":"0.01ct \/ Platinum \/ 46cm (18inch)","offer_id":44515498786881,"sku":null,"price":700400.0,"currency_code":"JPY","in_stock":true},{"title":"0.01ct \/ 18K Yellow Gold \/ 40cm (16inch)","offer_id":44515498819649,"sku":null,"price":783300.0,"currency_code":"JPY","in_stock":true},{"title":"0.01ct \/ 18K Yellow Gold \/ 43cm (17inch)","offer_id":44515498852417,"sku":null,"price":805400.0,"currency_code":"JPY","in_stock":true},{"title":"0.01ct \/ 18K Yellow 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