Estate Platinum Tanzanite and Diamond Ring Tanzanite, 3.51 Carats For Impressive Tanzanite Diamond Platinum Ring at 1stDibs Lot Platinum 13.42ct Tanzanite & Diamond Ring Rare Fine 13.15 carat Tanzanite Diamond Platinum Ring For Sale at 1stDibs Tanzanite and Diamond cocktail ring platinum For Sale at 1stDibs. Incredible platinum ring featuring a beautiful cushion cut tanzanite gemstone. Designed and made with responsibly sourced materials in the Sargisons workshop in Hobart, Tasmania. This ring is available to purchase in store. To enquire please contact us by emailing info@sargisons. com. au or calling (03) 6234 2426. Total tanzanite weight: 2. 42ct. Metal: Platinum with a high polish finish. Size L. Free resizing with purchase offered with this ring. For resizing enquiries please contact us prior to purchase. CUSTOM MADE RINGS This ring style can be customized to your choice of diamond of any size and quality to meet your desired budget. Sargisons rings are meticulously crafted to the highest standards and are made in our Hobart workshop. To discuss commissioning your bespoke piece please contact us or simply visit us in store. We hope to have the privilege of creating your dream ring.