{"product_id":"custom-michael-sherman-18k-gold-natural-tanzanite-and-diamond-necklace","title":"Custom Michael Sherman 18K Gold Natural Tanzanite and Diamond Necklace","description":"\u003cp\u003eThis item is offered on consignment on behalf of a client; all serious and reasonable offers are presented for consideration, and I work diligently to achieve a mutually agreeable outcome.\u003c\/p\u003e\n\u003cp\u003eDescription\u003c\/p\u003e\n\u003cp\u003eOne (1) handmade Michael Sherman necklace crafted in 18-karat yellow and white gold, featuring natural tanzanites and round brilliant cut diamonds in an articulated rivière design.\u003c\/p\u003e\n\u003cp\u003eThe necklace measures approximately 16 inches in length and weighs 51.50 grams. The design incorporates alternating tanzanite stations and a removable center drop link secured by a double-locking mechanism. The center section contains one round brilliant cut diamond and one trillion-cut tanzanite mounted in yellow and white gold construction with a hinged locking bar.\u003c\/p\u003e\n\u003cp\u003eThe necklace is stamped “18K” and “18KT MS.” Metal testing and hallmarks are shown in the photographs.\u003c\/p\u003e\n\u003cp\u003eOriginal Michael Sherman presentation box included.\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003eDetails\u003c\/p\u003e\n\u003cp\u003eDesigner: Michael Sherman\u003c\/p\u003e\n\u003cp\u003eMetal: 18K Yellow Gold and White Gold\u003c\/p\u003e\n\u003cp\u003eLength: Approximately 16 inches\u003c\/p\u003e\n\u003cp\u003eTotal Weight: 51.50 grams\u003c\/p\u003e\n\u003cp\u003eHallmarks: 18K, 18KT MS\u003c\/p\u003e\n\u003cp\u003eCondition: Excellent pre-owned condition\u003c\/p\u003e\n\u003cp\u003eBox\/Papers: Original Michael Sherman box included\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003eDiamond Details\u003c\/p\u003e\n\u003cp\u003eCenter Diamond\u003c\/p\u003e\n\u003cp\u003e* Shape \u0026amp; Cut: Round Brilliant Cut\u003c\/p\u003e\n\u003cp\u003e* Measurements: Approximately 5.50 mm\u003c\/p\u003e\n\u003cp\u003e* Estimated Weight: Approximately 0.50–0.65 carat\u003c\/p\u003e\n\u003cp\u003e* Color: Approximately G\u003c\/p\u003e\n\u003cp\u003e* Clarity: Approximately VS\u003c\/p\u003e\n\u003cp\u003e* Cut: Excellent\u003c\/p\u003e\n\u003cp\u003eAccent Diamonds\u003c\/p\u003e\n\u003cp\u003e* Shape \u0026amp; Cut: Round Brilliant Cut\u003c\/p\u003e\n\u003cp\u003e* Measurements: Approximately 2.99–3.99 mm\u003c\/p\u003e\n\u003cp\u003e* Estimated Total Weight: Approximately 10.00–14.00 carats total weight\u003c\/p\u003e\n\u003cp\u003e* Color: Approximately F–H\u003c\/p\u003e\n\u003cp\u003e* Clarity: Approximately VS1–VVS2\u003c\/p\u003e\n\u003cp\u003e* Cut: Excellent\u003c\/p\u003e\n\u003cp\u003e* Fluorescence: Approximately 40% faint to medium blue\u003c\/p\u003e\n\u003cp\u003eTotal Estimated Diamond Weight\u003c\/p\u003e\n\u003cp\u003eApproximately 10.50–14.65 carats total weight\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003eTanzanite Details\u003c\/p\u003e\n\u003cp\u003eOval Tanzanites (6)\u003c\/p\u003e\n\u003cp\u003e* Shape \u0026amp; Cut: Oval Mixed Cut\u003c\/p\u003e\n\u003cp\u003e* Measurements: Approximately 7.00 × 5.50 mm to 8.00 × 6.00 mm\u003c\/p\u003e\n\u003cp\u003e* Estimated Total Weight: Approximately 5.50–8.50 carats total weight\u003c\/p\u003e\n\u003cp\u003e* Color: Strong Bluish Violet\u003c\/p\u003e\n\u003cp\u003e* Clarity: Eye Clean\u003c\/p\u003e\n\u003cp\u003eTrillion Tanzanites (7)\u003c\/p\u003e\n\u003cp\u003e* Shape \u0026amp; Cut: Trillion Mixed Cut\u003c\/p\u003e\n\u003cp\u003e* Measurements: Approximately 4.00 × 4.00 mm to 5.50 × 5.50 mm\u003c\/p\u003e\n\u003cp\u003e* Estimated Total Weight: Approximately 1.25–2.25 carats total weight\u003c\/p\u003e\n\u003cp\u003e* Color: Strong Bluish Violet\u003c\/p\u003e\n\u003cp\u003e* Clarity: Eye Clean\u003c\/p\u003e\n\u003cp\u003eTotal Estimated Tanzanite Weight\u003c\/p\u003e\n\u003cp\u003eApproximately 6.75–10.75 carats total weight\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003eCondition Notes\u003c\/p\u003e\n\u003cp\u003e* All gemstones secure at the time of inspection.\u003c\/p\u003e\n\u003cp\u003e* Articulation functions properly.\u003c\/p\u003e\n\u003cp\u003e* Removable center section locks securely.\u003c\/p\u003e\n\u003cp\u003e* Very light surface wear consistent with careful ownership.\u003c\/p\u003e\n\u003cp\u003e* Hallmarks and metal testing are shown in the photographs.\u003c\/p\u003e\n\u003cp\u003e* Please review all photographs carefully, as they form part of the description.\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003eAbout Me\u003c\/p\u003e\n\u003cp\u003eI am a GIA Graduate Gemologist and independent jewelry appraiser with more than 20 years of experience in the jewelry industry. Every item I offer is personally inspected and described using professional gemological equipment and industry-standard practices.\u003c\/p\u003e\n\u003cp\u003eMounted gemstone weights and quality grades are approximate and based on standard gemological observations and formulas. Actual weights may vary if stones are removed from their settings.\u003c\/p\u003e\n\u003cp\u003ePlease feel free to contact me with any questions or requests for additional photographs.\u003c\/p\u003e","brand":"Consignment","offers":[{"title":"Default Title","offer_id":48058407715037,"sku":null,"price":48500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/6341\/5005\/files\/s-l1600_25.webp?v=1782000548","url":"https:\/\/www.devinejeweler.com\/products\/custom-michael-sherman-18k-gold-natural-tanzanite-and-diamond-necklace","provider":"Devine \u0026 Co.","version":"1.0","type":"link"}