GIA 7.31ct Gem Quality Radiant Cut Tanzanite Platinum Diamond Designer Signed Ring w/ AppraisalHess Fine Auctions4.5(239)$10Feb 28, 2026
Exclusive Platinum 1.64ct Diamond and Tanzanite RingEastern European Art Gallery Inc$5,0002 days Left
Exclusive Platinum 0.21ct Diamond and Tanzanite RingEastern European Art Gallery Inc$3,0002 days Left
Exclusive Platinum 0.82ct Diamond and Tanzanite RingEastern European Art Gallery Inc$2,2002 days Left
Sapphire and Diamond Ring in Platinum with 2.06 Carat Center StoneDiamond Depot4.3(10)$3,050Feb 13, 2026
Platinum Engagement Ring with 8.67 Carat Sapphire and DiamondsMynt Auctions4.4(826)$100(1 bid)Feb 14, 2026
SoldTanzanite, Diamond, Platinum Ring, Tiffany & Co.Featuring two shield-shape tanzanites weighing a total of approximately 5.70 cttw., accented by single and transitional-cut diamonds weighing a total of approximately 0.70 cttw., set in a platinum rinSee Sold Price
Sold18K Tanzanite Diamond Platinum RingA fine example of the rich blue color that is found in the best tanzanites; deep, translucent and sparkling. With square diamond accents the ring is platinum with 18k gold prongs. Main Gem: TanzaniteSee Sold Price
Sold6.6ct Tanzanite & Diamond Platinum Ring6.6ct Tanzanite & Diamond Platinum Ring. Stamped inside band. Comes with AIG and GIA Report. Full item description can be found in AIG and GIA report (last image). Ring Size: 7.5Total Weight: 10 gTotaSee Sold Price
Sold(NoPicOfCertInDB) Oscar Friedman Tanzanite, Diamond, & Platinum RingGenuine Tanzanite and Earth-Mined Diamond Ring. With its vivid violet color and distinct flashes of red from within and the exceptional quality of diamonds, this ring is truly extraordinary!&nbsSee Sold Price
SoldTanzanite, Diamond & Platinum Ring,vivid rectangular cushion cut gem weighing 3.10 carats with two baguette diamonds totaling .25 carat, high grade, with appraisal of $5,550.00, currently size 5.See Sold Price
SoldGIA Tanzanite And Diamond Platinum Ring9.64 Carats, Tanzanite Surrounded By Diamonds. Total Weight 10.70 Grams. Size 6.5. Scroll Through Photos To View GIA Appraisal, And Additional Information. Wire Transfer Or In-Person Cashier's Check ASee Sold Price
SoldGIA Tanzanite And Diamond Platinum RingGIA 10.05ctw Natural Octagonal Tanzanite Zoisite Surrounded By 1.99ctw F-g Vsi-si1brilliant Cut Diamonds Set In Platinum. Ring Size 7. 15.8g Tw. Scroll Through All Photos To View GIA And Appraisal ShoSee Sold Price
Tiffany & Co. Tanzanite, Diamond and Platinum RingTiffany & Co. Tanzanite, Diamond and Platinum Ring - Striking and sophisticated, this Tiffany & Co. ring showcases a vivid blue tanzanite gemstone that commands attention at its center. Crafted in plaSee Sold Price
SoldTanzanite, diamond, and platinum ringTanzanite, diamond, and platinum ring, centering a 5.43ct pear shape tanzanite framed by two rows of round brilliant cut diamonds comprising 80 diamonds of F-H color and Si1-Si2 clarity weighing 1.48cSee Sold Price
SoldTanzanite Diamond Platinum Gold RingA fine example of the rich blue color that is found in the best tanzanites; deep, translucent and sparkling. With square diamond accents the ring is platinum with 18k gold prongs. Ring size 6 and maySee Sold Price
Sold7.07CT TANZANITE & 0.68CTW DIAMOND PLATINUM RING155082 7.07CT TANZANITE & 0.68CTW DIAMOND PLATINUM RING One electronically tested platinum ladies custom cast tanzanite & diamond ring. Condition is new, good workmanship. The featured tanzanite is seSee Sold Price
Sold4.58CT TANZANITE & 0.36CTW DIAMOND PLATINUM RING184076 4.58CT TANZANITE & 0.36CTW DIAMOND PLATINUM RING Platinum (PLAT) natural tanzanite zoisite and diamond ring. A pear brilliant cut natural tanzanite zoisite gemstones is mounted in the center ofSee Sold Price
SoldA tanzanite, diamond and platinum ringA tanzanite, diamond and platinum ringCentering an oval-cut tanzanite weighing 4.15 carats, framed by 48 round brilliant and baguette-cut diamonds, weighing an estimated 0.60 carat; 10.8 grams; size 6See Sold Price
SoldTanzanite 9 Carats,Diamonds Platinum Ring W/App Giaincredible 9 carat tanzanite diamonds and platinum ring with appraisal Gia, this is the ring that says Wow! 9.18 carat gia certified tanzanite and 1.4 carat of Vs 1 diamonds set in a top quality platiSee Sold Price
Sold8.75ct Tanzanite, 0.95ctw Diamond and Platinum Ring8.75ct Tanzanite, 0.95ctw SI1-SI2/G-H Diamond and Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts an 8.75ct (approximate) oval cut tanzanite center. The tanzanite is sSee Sold Price
10.45ct Tanzanite, 0.45ctw Diamond and Platinum Ring10.45ct Tanzanite, 0.45ctw Diamond and Platinum Ring - Centered by a magnificent 10.45-carat tanzanite, this ring commands attention with its vivid violet-blue hue and exceptional presence. The strikiSee Sold Price
Sold6.30ct Tanzanite, 1.40ctw Diamond and Platinum Ring6.30ct Tanzanite, 1.40ctw VS2-SI1/G-H Diamond and Platinum Ring - Elegant and timeless, this exquisite ring showcases a magnificent 6.30-carat tanzanite whose deep violet-blue hue radiates with exceptSee Sold Price
Sold5.65ct Tanzanite, 0.60ctw Diamond and Platinum Ring5.65ct Tanzanite, 0.60ctw VS1-VS2/G-H Diamond and Solid Platinum Ring - This ring is crafted of solid platinum and boasts a 5.65ct (approximate) oval cut tanzanite center which displays a stunning vivSee Sold Price
SoldTanzanite and Diamond RingTanzanite and Diamond Ring platinum, the ring mounted with an oval-cut tanzanite weighing approximately 16.56 carats, surrounded by a halo of Asscher-cut diamonds weighing approximately 1.97 carats inSee Sold Price
SoldA PLATINUM, TANZANITE AND DIAMOND RINGA PLATINUM, TANZANITE AND DIAMOND RING • Platinum • 1 oval tanzanite • Numerous tapered baguette diamonds weighing approximately 0.90 carat total • With maker's mark STS •See Sold Price
SoldCertified Platinum Tanzanite & Diamond RingThis is a certified and appraised platinum tanzanite and diamond ring. The 4.75 carat cushion-cut tanzanite sits in a halo of .58 carats of round, brilliant-cut F-H, VS1-SI1 diamonds. The ring has a bSee Sold Price
SoldCertified Platinum Tanzanite & Diamond RingThis is a certified and appraised platinum tanzanite and diamond ring. The 3.28 carat violetish blue cushion-cut tanzanite is surrounded by .79 carats of round, brilliant-cut F/G, VS1-SI1 diamonds. ThSee Sold Price
SoldPLATINUM, DIAMOND, & TANZANITE RINGwith AIGL report no. K33E13-EA14944 stating the ring contains one cushion modified brilliant cut tanzanite weighing approximately 2.96 carats; with 76 full cut diamonds [G-I/SI] weighing approximatelySee Sold Price
SoldRhapsody Platinum Diamond Tanzanite RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.57ctw. Tanzanite - 9mm. MEASUREMENTS: Ring size 8, ring top is 14.2mm wide. MARKED: Rhapsody Pt950. WEIGHT: 7.6 grams.Gemstones have not been graded forSee Sold Price
