{"product_id":"madduckjewels-18k-gold-ring-cz-moissanite-lab-grown-rg1536-y18","title":"MadDuckJewels 18K Yellow Gold (75%) Engagement \u0026 Wedding Ring – CZ \/ Moissanite \/ Lab-Grown Diamond – Nickel-Free – RG1536-Y18","description":"\u003cp\u003eDetail: The attractive ring setting center with 1.0 Carat diamond and decorated with petite diamond on guilloche style for each side.\u003c\/p\u003e\n\u003cp\u003eFOR: This model is suitable for lovers who are looking for engagement rings, wedding rings, present, pre-wedding photo shoot or other special occasions.\u003c\/p\u003e\n\u003cp\u003e⏳ \u003cstrong\u003eMade to Order (Pre-order)\u003c\/strong\u003e\u003cbr\u003eProduction takes 10 business days after purchase.\u003cbr\u003eOur team will message you within 24 hours to confirm your ring size — confirm early to join the earliest casting round.\u003c\/p\u003e\n\u003cp\u003eMaterials: Solid 18K Yellow Gold (75% gold) — the color is the gold itself, it never fades or peels. Nickel-Free.\u003cbr\u003eNote: 18K gold (75%) is slightly lighter in tone than Thai 96.5% ornament gold — the international standard for diamond and engagement rings worldwide.\u003c\/p\u003e\n\u003cp\u003e✨ \u003cstrong\u003eAny design, 4 gold options\u003c\/strong\u003e — every Madduck design can be made in 9K White Gold · 18K Yellow Gold · 18K Rose Gold · 9K Rose Gold. Message us for a quote in the gold you love.\u003c\/p\u003e\n\u003cp\u003eChoose from 3 stone options:\u003c\/p\u003e\n\u003cp\u003e◆ CZ (Cubic Zirconia)\u003cbr\u003e⭐ Best Value\u003cbr\u003eA popular synthetic stone, precision-cut for maximum sparkle at an accessible price.\u003c\/p\u003e\n\u003cp\u003e◆ Moissanite\u003cbr\u003e⭐ Most Popular\u003cbr\u003eExtraordinary brilliance and fire with near-diamond hardness; a premium lab-created gemstone.\u003c\/p\u003e\n\u003cp\u003e◆ Lab-Grown Diamond\u003cbr\u003e⭐ Premium Choice\u003cbr\u003eA real diamond grown in a lab, optically and chemically identical to a mined diamond, ethically sourced.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003cbr\u003eCode: RG1536-Y18\u003cbr\u003eMetal: 18K Yellow Gold (75%)\u003cbr\u003eFinish: Unplated solid gold\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRing Size Conversion (US – Thai Gold Size)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 3.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 43.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 3.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 44.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 4.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 46.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 4.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 47.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 5.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 49.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 5.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 50.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 6.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 51.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 6.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 52.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 7.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 54.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 7.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 55.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 8.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 56.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 8.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 57.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 9.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 59.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 9.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 60.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 10.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 62.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 10.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 63.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 11.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 64.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 11.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 65.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 12.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 66.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 12.5\u003c\/td\u003e\n\u003ctd\u003eGold Size 68.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS 13.0\u003c\/td\u003e\n\u003ctd\u003eGold Size 70.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eHow to find your size (most to least accurate):\u003c\/strong\u003e\u003cbr\u003e1. Get measured at a jewelry store\u003cbr\u003e2. Measure the inner diameter of a ring you already own\u003cbr\u003e3. Measure the circumference of your finger\u003cbr\u003e** MADDUCKJEWELS uses the same standard sizing as gold \u0026amp; jewelry shops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty (Solid 18K Gold):\u003c\/strong\u003e\u003cbr\u003e- Every ring is hallmarked inside the band with our duck logo — CZ = 18K · Moissanite = 18K M · Lab-Grown Diamond = 18K L — verify your stone type for life\u003cbr\u003e- The warranty card states the gold karat, stone type, and your ring's actual weighed total weight (Lab-Grown Diamond rings include total carat weight, ctw)\u003cbr\u003e- Lifetime stone-setting warranty — loose stones re-tightened free · if a stone is lost, setting labor is free and you pay only the stone cost\u003cbr\u003e- Free re-polishing — once\u003cbr\u003e- Free ring cleaning, anytime\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRing Resizing (Solid 18K Gold):\u003c\/strong\u003e\u003cbr\u003e💍 Doesn't fit? One free resize (labor \u0026amp; re-polishing) — notify us and send the ring back within 7 days of delivery.\u003cbr\u003e- Sizing up: added gold is charged at cost (added weight × 18K gold price on the day)\u003cbr\u003e- Sizing down: free of charge, no refund for the gold weight difference\u003cbr\u003e- Takes 3–5 business days \/ return shipping 55 THB\u003cbr\u003e- After 7 days, or subsequent resizes: 250 THB labor + 350 THB polishing (+ 18K gold cost when sizing up)\u003cbr\u003e- Engraved rings: re-engraving the original text is free\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e💎 Madduck Upgrade Program — Real Gold, Trade In Anytime\u003c\/strong\u003e\u003cbr\u003eTurn your old gold ring into credit 💰\u003cbr\u003eTrade in your original Madduck ring for instant credit toward a new one.\u003cbr\u003e🥇 Setting value = total ring weight × gold buy-back price on trade-in day\u003cbr\u003e• 9K gold → × 30%\u003cbr\u003e• 14K gold → × 50%\u003cbr\u003e• 18K gold → × 65%\u003cbr\u003e➕ Plus stone credit on top:\u003cbr\u003e💍 CZ → 500.-\u003cbr\u003e💎 Moissanite → 1,000.-\u003cbr\u003e✨ LGD → 2,000–4,000.-\u003cbr\u003e💠 Your old Madduck silver ring can be traded up to gold too (stone-type credit applies)\u003cbr\u003eBuying today isn't the end — every gold ring keeps its trade-in value for life; when gold rises, your trade-in value rises with it.\u003cbr\u003e📩 Message us a photo of your old ring + warranty card for an instant credit quote.\u003cbr\u003e*Credit applies as a discount toward a new ring (no cash buy-back) · quotes valid for 7 days · terms and conditions apply.\u003c\/p\u003e","brand":"Madduck Jewels(แมดดั๊ก เจเวลส์)","offers":[{"title":"3.0 us \/ CZ Cubic Zirconia","offer_id":43981313736782,"sku":"RG1536-Y18-CZ-30","price":24310.0,"currency_code":"THB","in_stock":true},{"title":"3.0 us \/ Moissanite","offer_id":43981313769550,"sku":"RG1536-Y18-MO-30","price":26095.0,"currency_code":"THB","in_stock":true},{"title":"3.0 us \/ Lab Grown Diamond","offer_id":43981313802318,"sku":"RG1536-Y18-LGD-30","price":33575.0,"currency_code":"THB","in_stock":true},{"title":"3.5 us \/ CZ Cubic Zirconia","offer_id":43981313835086,"sku":"RG1536-Y18-CZ-35","price":24692.5,"currency_code":"THB","in_stock":true},{"title":"3.5 us \/ Moissanite","offer_id":43981313867854,"sku":"RG1536-Y18-MO-35","price":26477.5,"currency_code":"THB","in_stock":true},{"title":"3.5 us \/ Lab Grown Diamond","offer_id":43981313900622,"sku":"RG1536-Y18-LGD-35","price":33957.5,"currency_code":"THB","in_stock":true},{"title":"4.0 us \/ CZ Cubic Zirconia","offer_id":43981313933390,"sku":"RG1536-Y18-CZ-40","price":25075.0,"currency_code":"THB","in_stock":true},{"title":"4.0 us \/ Moissanite","offer_id":43981313966158,"sku":"RG1536-Y18-MO-40","price":26860.0,"currency_code":"THB","in_stock":true},{"title":"4.0 us \/ Lab Grown Diamond","offer_id":43981313998926,"sku":"RG1536-Y18-LGD-40","price":34340.0,"currency_code":"THB","in_stock":true},{"title":"4.5 us \/ CZ Cubic Zirconia","offer_id":43981314031694,"sku":"RG1536-Y18-CZ-45","price":25457.5,"currency_code":"THB","in_stock":true},{"title":"4.5 us \/ Moissanite","offer_id":43981314064462,"sku":"RG1536-Y18-MO-45","price":27242.5,"currency_code":"THB","in_stock":true},{"title":"4.5 us \/ Lab Grown Diamond","offer_id":43981314097230,"sku":"RG1536-Y18-LGD-45","price":34722.5,"currency_code":"THB","in_stock":true},{"title":"5.0 us \/ CZ Cubic Zirconia","offer_id":43981314129998,"sku":"RG1536-Y18-CZ-50","price":25840.0,"currency_code":"THB","in_stock":true},{"title":"5.0 us \/ Moissanite","offer_id":43981314162766,"sku":"RG1536-Y18-MO-50","price":27625.0,"currency_code":"THB","in_stock":true},{"title":"5.0 us \/ Lab Grown Diamond","offer_id":43981314195534,"sku":"RG1536-Y18-LGD-50","price":35105.0,"currency_code":"THB","in_stock":true},{"title":"5.5 us \/ CZ Cubic Zirconia","offer_id":43981314228302,"sku":"RG1536-Y18-CZ-55","price":26222.5,"currency_code":"THB","in_stock":true},{"title":"5.5 us \/ Moissanite","offer_id":43981314261070,"sku":"RG1536-Y18-MO-55","price":28007.5,"currency_code":"THB","in_stock":true},{"title":"5.5 us \/ Lab Grown Diamond","offer_id":43981314293838,"sku":"RG1536-Y18-LGD-55","price":35487.5,"currency_code":"THB","in_stock":true},{"title":"6.0 us \/ CZ Cubic Zirconia","offer_id":43981314326606,"sku":"RG1536-Y18-CZ-60","price":26605.0,"currency_code":"THB","in_stock":true},{"title":"6.0 us \/ Moissanite","offer_id":43981314359374,"sku":"RG1536-Y18-MO-60","price":28390.0,"currency_code":"THB","in_stock":true},{"title":"6.0 us \/ Lab Grown Diamond","offer_id":43981314392142,"sku":"RG1536-Y18-LGD-60","price":35870.0,"currency_code":"THB","in_stock":true},{"title":"6.5 us \/ CZ Cubic Zirconia","offer_id":43981314424910,"sku":"RG1536-Y18-CZ-65","price":26987.5,"currency_code":"THB","in_stock":true},{"title":"6.5 us \/ Moissanite","offer_id":43981314457678,"sku":"RG1536-Y18-MO-65","price":28772.5,"currency_code":"THB","in_stock":true},{"title":"6.5 us \/ Lab Grown Diamond","offer_id":43981314490446,"sku":"RG1536-Y18-LGD-65","price":36252.5,"currency_code":"THB","in_stock":true},{"title":"7.0 us \/ CZ Cubic Zirconia","offer_id":43981314523214,"sku":"RG1536-Y18-CZ-70","price":27370.0,"currency_code":"THB","in_stock":true},{"title":"7.0 us \/ Moissanite","offer_id":43981314555982,"sku":"RG1536-Y18-MO-70","price":29155.0,"currency_code":"THB","in_stock":true},{"title":"7.0 us \/ Lab Grown Diamond","offer_id":43981314588750,"sku":"RG1536-Y18-LGD-70","price":36635.0,"currency_code":"THB","in_stock":true},{"title":"7.5 us \/ CZ Cubic Zirconia","offer_id":43981314621518,"sku":"RG1536-Y18-CZ-75","price":27752.5,"currency_code":"THB","in_stock":true},{"title":"7.5 us \/ Moissanite","offer_id":43981314654286,"sku":"RG1536-Y18-MO-75","price":29537.5,"currency_code":"THB","in_stock":true},{"title":"7.5 us \/ Lab Grown Diamond","offer_id":43981314687054,"sku":"RG1536-Y18-LGD-75","price":37017.5,"currency_code":"THB","in_stock":true},{"title":"8.0 us \/ CZ Cubic Zirconia","offer_id":43981314719822,"sku":"RG1536-Y18-CZ-80","price":28135.0,"currency_code":"THB","in_stock":true},{"title":"8.0 us \/ Moissanite","offer_id":43981314752590,"sku":"RG1536-Y18-MO-80","price":29920.0,"currency_code":"THB","in_stock":true},{"title":"8.0 us \/ Lab Grown Diamond","offer_id":43981314785358,"sku":"RG1536-Y18-LGD-80","price":37400.0,"currency_code":"THB","in_stock":true},{"title":"8.5 us \/ CZ Cubic Zirconia","offer_id":43981314818126,"sku":"RG1536-Y18-CZ-85","price":28517.5,"currency_code":"THB","in_stock":true},{"title":"8.5 us \/ Moissanite","offer_id":43981314850894,"sku":"RG1536-Y18-MO-85","price":30302.5,"currency_code":"THB","in_stock":true},{"title":"8.5 us \/ Lab Grown Diamond","offer_id":43981314883662,"sku":"RG1536-Y18-LGD-85","price":37782.5,"currency_code":"THB","in_stock":true},{"title":"9.0 us \/ CZ Cubic Zirconia","offer_id":43981314916430,"sku":"RG1536-Y18-CZ-90","price":28900.0,"currency_code":"THB","in_stock":true},{"title":"9.0 us \/ Moissanite","offer_id":43981314949198,"sku":"RG1536-Y18-MO-90","price":30685.0,"currency_code":"THB","in_stock":true},{"title":"9.0 us \/ Lab Grown Diamond","offer_id":43981314981966,"sku":"RG1536-Y18-LGD-90","price":38165.0,"currency_code":"THB","in_stock":true},{"title":"9.5 us \/ CZ Cubic Zirconia","offer_id":43981315014734,"sku":"RG1536-Y18-CZ-95","price":29282.5,"currency_code":"THB","in_stock":true},{"title":"9.5 us \/ Moissanite","offer_id":43981315047502,"sku":"RG1536-Y18-MO-95","price":31067.5,"currency_code":"THB","in_stock":true},{"title":"9.5 us \/ Lab Grown Diamond","offer_id":43981315080270,"sku":"RG1536-Y18-LGD-95","price":38547.5,"currency_code":"THB","in_stock":true},{"title":"10.0 us \/ CZ Cubic Zirconia","offer_id":43981315113038,"sku":"RG1536-Y18-CZ-100","price":29665.0,"currency_code":"THB","in_stock":true},{"title":"10.0 us \/ Moissanite","offer_id":43981315145806,"sku":"RG1536-Y18-MO-100","price":31450.0,"currency_code":"THB","in_stock":true},{"title":"10.0 us \/ Lab Grown Diamond","offer_id":43981315178574,"sku":"RG1536-Y18-LGD-100","price":38930.0,"currency_code":"THB","in_stock":true},{"title":"10.5 us \/ CZ Cubic Zirconia","offer_id":43981315211342,"sku":"RG1536-Y18-CZ-105","price":30047.5,"currency_code":"THB","in_stock":true},{"title":"10.5 us \/ Moissanite","offer_id":43981315244110,"sku":"RG1536-Y18-MO-105","price":31832.5,"currency_code":"THB","in_stock":true},{"title":"10.5 us \/ Lab Grown Diamond","offer_id":43981315276878,"sku":"RG1536-Y18-LGD-105","price":39312.5,"currency_code":"THB","in_stock":true},{"title":"11.0 us \/ CZ Cubic Zirconia","offer_id":43981315309646,"sku":"RG1536-Y18-CZ-110","price":30430.0,"currency_code":"THB","in_stock":true},{"title":"11.0 us \/ Moissanite","offer_id":43981315342414,"sku":"RG1536-Y18-MO-110","price":32215.0,"currency_code":"THB","in_stock":true},{"title":"11.0 us \/ Lab Grown Diamond","offer_id":43981315375182,"sku":"RG1536-Y18-LGD-110","price":39695.0,"currency_code":"THB","in_stock":true},{"title":"11.5 us \/ CZ Cubic Zirconia","offer_id":43981315407950,"sku":"RG1536-Y18-CZ-115","price":30812.5,"currency_code":"THB","in_stock":true},{"title":"11.5 us \/ Moissanite","offer_id":43981315440718,"sku":"RG1536-Y18-MO-115","price":32597.5,"currency_code":"THB","in_stock":true},{"title":"11.5 us \/ Lab Grown Diamond","offer_id":43981315473486,"sku":"RG1536-Y18-LGD-115","price":40077.5,"currency_code":"THB","in_stock":true},{"title":"12.0 us \/ CZ Cubic Zirconia","offer_id":43981315506254,"sku":"RG1536-Y18-CZ-120","price":31195.0,"currency_code":"THB","in_stock":true},{"title":"12.0 us \/ Moissanite","offer_id":43981315539022,"sku":"RG1536-Y18-MO-120","price":32980.0,"currency_code":"THB","in_stock":true},{"title":"12.0 us \/ Lab Grown Diamond","offer_id":43981315571790,"sku":"RG1536-Y18-LGD-120","price":40460.0,"currency_code":"THB","in_stock":true},{"title":"12.5 us \/ CZ Cubic Zirconia","offer_id":43981315604558,"sku":"RG1536-Y18-CZ-125","price":31577.5,"currency_code":"THB","in_stock":true},{"title":"12.5 us \/ Moissanite","offer_id":43981315637326,"sku":"RG1536-Y18-MO-125","price":33362.5,"currency_code":"THB","in_stock":true},{"title":"12.5 us \/ Lab Grown Diamond","offer_id":43981315670094,"sku":"RG1536-Y18-LGD-125","price":40842.5,"currency_code":"THB","in_stock":true},{"title":"13.0 us \/ CZ Cubic Zirconia","offer_id":43981315702862,"sku":"RG1536-Y18-CZ-130","price":31960.0,"currency_code":"THB","in_stock":true},{"title":"13.0 us \/ Moissanite","offer_id":43981315735630,"sku":"RG1536-Y18-MO-130","price":33745.0,"currency_code":"THB","in_stock":true},{"title":"13.0 us \/ Lab Grown Diamond","offer_id":43981315768398,"sku":"RG1536-Y18-LGD-130","price":41225.0,"currency_code":"THB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1816\/8142\/files\/rg1536-y18-cover.jpg?v=1783689261","url":"https:\/\/madduckjewels.com\/products\/madduckjewels-18k-gold-ring-cz-moissanite-lab-grown-rg1536-y18","provider":"MadduckJewels","version":"1.0","type":"link"}