Sold2022Men's Mid Century Platinum, Star Sapphire & Diamond Ringsize 13 ring; the blue-gray star sapphire measures 21 x18 x13.9 mm with an estimated weight of 58 carats; sapphire displays natural color zoning and cracks are present in the crown and pavilion side wSee Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & STAR SAPPHIRE RINGcentering one round cabochon cut star sapphire weighing approximately 5.8 carats; and 35 early round full cut, single cut, and Swiss cut diamonds [G-H/VS2-SI1] weighing approximately 0.90 carats totalSee Sold Price
Sold2016ART DECO STAR SAPPHIRE, DIAMOND & PLATINUM RINGAn oval star sapphire cabochon, 23.20 cts. by formula, in strapped platinum and single cut diamond setting with baguette cut diamond shoulder, approx. .80 ct. TW. Ca. 1930. Stamped 10% Irid. Platinum.See Sold Price
Sold2020Platinum Diamond Star Sapphire Dome RingMetal Content: Platinum.Weight of Item: 18.8 grams.Size: Ring size 6 3/4, ring top - 23mm at widest poin.Gemstone: Diamonds. Star sapphire approx. 19.53ct (15.5mm x 13.5mm).Carat Weight: approx. 1.21cSee Sold Price
Sold2019Platinum Diamond Purple Star Sapphire RingMetal Content: Platinum.Weight of Item: 8.4 grams.Size: Ring size 6 3/4, ring top - 16mm x 15.5mm.Gemstone: Diamonds. Purple Star Supphire 4.00ct (small imperfection on the side of the gem).Carat WeigSee Sold Price
Sold20206.92ct Star Sapphire Diamond Platinum RingPlatinum ring with oval 6.92ct star sapphire cabochon, and 0.29ctw in diamonds. Ring size - 6, ring top is 10.5mm. Marked: 6.92, Pt900, D029. Weight - 5.9 grams.See Sold Price
Sold2023Vintage Retro Star Sapphire Platinum Diamond Ring Size 6This is a vintage retro platinum ring featuring a large star sapphire accented by round brilliant and baguette cut diamonds. The diamonds are VS clarity and GH color. The ring is a size 6 US and it weSee Sold Price
Sold2015Star sapphire, diamond and platinum ringStar sapphire, diamond and platinum ring Centering one oval star sapphire weighing approximately 22.75 cts., accented by two tapered baguette cut diamonds weighing a total of approximately 0.48 ct., aSee Sold Price
Sold2022GIA 2.55 CARAT NATURAL STAR SAPPHIRE DIAMOND PLATINUM BALLERINA RINGCrafted in solid heavy Platinum, the center is adorned by a GIA certified Natural untreated Star Sapphire weighing approximately 2.56 carats. Accompanied by a GIA Report N#2215624863 & an official appSee Sold Price
Sold2015ART DECO STAR SAPPHIRE AND DIAMOND PLATINUM RINGOval star sapphire, 31 cts. by formula, with baguette and single cut diamond strapped shoulders, melee approx. .45 ct. TW, ca. 1935. Size 8 3/4. 8.5 dwt.See Sold Price
Sold20228.00ct Star Sapphire, 1.30ctw Diamond & Platinum Ring8.00ct Blue Star Sapphire, 1.30ctw VS2-SI1/G-H Diamond and Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts a lovely 8.00ct (approximate) blue star sapphire thSee Sold Price
Sold2016A star sapphire, diamond and platinum ringPlatinum, centering a high-dome star sapphire cabochon measuring 10.3 x 9.5 mm with a two-row surround of 32 full-cut diamonds totaling approximately 2.35 cts., graded G-H color and VS clarity, size 6See Sold Price
Sold2018Blue Star Sapphire Diamond Gemstone, Platinum RingLadies vintage diamond and star sapphire ring. Features an oval blue star sapphire cabochon with three round cut and prong set diamonds set around the 9mm x 7.5mm x 7.25mm cabochon. Size 6. Weighs 4.7See Sold Price
2019Art Deco 25.75ct Star Sapphire Diamond Dome RingArt Deco 25.75 Carats Star Sapphire & Diamond Platinum Dome Ring Size 4 This is a stunning Art Deco ring, it is crafted from platinum featuring a high dome shape star sapphire mounted on a round frameSee Sold Price
Sold2015VINTAGE PLATINUM, STAR SAPPHIRE & DIAMOND RINGVintage ladies platinum, star sapphire and diamond estate ring; (1) natural star sapphire corundum, oval cabochon-cut, weighing approx 24.63cts, tone: medium dark, saturation: grayish, hue: blue, theSee Sold Price
Sold2023Art Deco Platinum Star Sapphire & Diamond RingArt Deco Platinum 10.79ct. Blue Star Sapphire & 0.86ct. Diamond Ladies Ring. Size approx. - 4 - 4 1/2. Star sapphire - 12mm x 9mm x 9.25mm, weighing approx. 10.79ct. Sapphire is of slightly violetSee Sold Price
Sold202255224: Star Sapphire, Diamond, Platinum Ring Stones: SStar Sapphire, Diamond, Platinum Ring Stones: Star sapphire cabochon weighing 50.67 carats; shield-shaped diamonds weighing a total of approximately 1.10 carats MeSee Sold Price
Sold202255205: Burma Star Sapphire, Diamond, Platinum Ring StoBurma Star Sapphire, Diamond, Platinum Ring Stones: Star sapphire cabochon; baguette and single-cut diamonds weighing a total of approximately 0.55 carat Metal: PlaSee Sold Price
Sold20234.34ct Platinum Diamond & Blue Sapphire Men's Ring4.34 Carat platinum 9mm diamond and blue sapphire men's ring. Diamond is old European cut, bead set in a reflector head S11 clarity, L color, set in platinum band. Six flanking channel set square stepSee Sold Price
Sold2023Antique Art Deco blue star sapphire cabochon ring in tested platinum with diamond accents; 15mmAntique Art Deco blue star sapphire cabochon ring in tested platinum with diamond accents; 15mm stone; size 4; 6.7 gramsSee Sold Price
Sold20151950s Platinum Star Sapphire Diamond Cocktail RingStar sapphire measures 12.5mm x 10.3mm. Ring size 4. Marked Plat, weighs 8.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated othSee Sold Price
Sold2021Sapphire, Diamond and Platinum RingApprox. 70.0 Carat Star Sapphire, Round Cut Diamond and Platinum Ring. Sapphire measures 22.5mm. Diamonds F-G color, VS-SI clarity. Ring size 5 (with sizing balls). Approx. weight: 28.30 grams. ConditSee Sold Price
Sold2020A 35.00CT STAR SAPPHIRE GOLD PLATINUM AND DIAMOND RINGA 35.00CT STAR SAPPHIRE GOLD PLATINUM AND DIAMOND RING A 35.00CT STAR SAPPHIRE GOLD PLATINUM AND DIAMOND RING one polished oval star sapphire flanked by two triangular cut diamonds set in a 14K gold tSee Sold Price
Sold2022TIFFANY & CO.: A PLATINUM, STAR SAPPHIRE AND DIAMOND RINGTIFFANY & CO.: A PLATINUM, STAR SAPPHIRE AND DIAMOND RING Centering an oval star sapphire cabochon weighing approximately 16.30 carats, accented by round and trapezoid-shaped diamonds weighing approxiSee Sold Price
7 hrs LeftRiverside GalleriesPlatinum Setting with 14.39ct Star Sapphire and 0.37ct Diamond Ladies Ring$50
4 days LeftRiverside GalleriesPlatinum Setting with 14.39ct Star Sapphire and 0.37ct Diamond Ladies Ring$50
2 hrs LeftSeized Assets AuctioneersMen's Vintage 14k White Gold 7.24 ctw Oval Gray Star Sapphire Round Diamond Ring$1
Jun 20Modern JewelryVintage J.E. CALDWELL BRACELET STAR SAPPHIRE DIAMOND PLATINUM Original Box$13,500
15 hrs LeftJasper52AGL Certified 9.23ct Natural No Heat Sri Lanka Sapphire Diamond Ring Platinum+$32,000