Sold2022Star Sapphire Diamond RingCrafted in platinum featuring (1) blue/grey star sapphire approx 6 1/2ct. The ring also features 2 tapered diamond baguettes weighing .20cttw. The ring is a size 8 and weighs 10dwtSee Sold Price
Sold2015Lady’s Platinum Purple Star Sapphire Diamond DinnerLady’s platinum purple star sapphire diamond dinner ring. Cabochon measures 15.2 x 13.6 x 10 1/2mm tall. Set with 10 round full-cut diamonds, 8 round single-cut diamonds, 10 straight baguette cut diSee Sold Price
Sold2022Platinum Star Sapphire RingA fine six point star oval cabochon gem weighing 17.36 carats with baguette diamonds on each side totaling .25 carat, high grade, a scarce large gem, Art Deco era, with appraisal of $10,550.00, currenSee Sold Price
Sold2017Deco Platinum, Star Sapphire & .6 CTW Diamond RingDESCRIPTION: Tested platinum deco setting with center white natural star sapphire, approx. 9mm x 8mm. Surrounded by thirty-four round diamonds and six baguette diamonds, approx. .62 CTW (clarity SI toSee 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
Sold2022Group of Star Sapphire and Diamond RingsMETAL: platinum and 14K white gold GEMSTONE(S): cabochon star sapphire approx. 15.90 x 14.95 x 11.15 mm and 9.45 x 9.35 x 8.40 mm; accented with single and baguette cut diamonds RING SIZE: 7-1/4; 6 WESee 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
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
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
Sold2024900PT 2.32CT STAR SAPPHIRE DIAMOND RING, 8.5.A 900-purity platinum 2.32-carat cabochon cut star sapphire ring accented by a halo of round brilliant cut and tapered baguette diamonds totaling 0.27 carats. Stamped 027, Pt900, S232, K74367, on theSee Sold Price
Sold2015Star Sapphire & Diamond Ring.Star sapphire approximately 40 cts. Baguette and trapezoid cut diamonds approximately 1.40 cts TW. Approximately G-H,VS. Platinum. 8.7 dwts. Size 5-3/4.See Sold Price
Sold2024PLAT. 4.6CTTW STAR SAP. & DIA. HALO RING, 8.75Platinum ring with a 4.25-carat cabochon-cut star sapphire accented by a halo of round brilliant and tapered baguette diamonds totaling 0.329 carats. Stamped 4.25, Pt900, 0329, on the inside of the riSee Sold Price
Sold2021FINE ART DECO PLATINUM/DIAMOND RING W/ APPROX. 3.8 CTFINE ART DECO PLATINUM/DIAMOND COCKTAIL RING W/ APPROX. 3.8 CT LAVENDER STAR SAPPHIRE W/ 1CT. TRILLION, BAGUETTES & D SHAPED DIAMONDS, C. 1920, WEIGHT 12 GRAMS, SIZE 6 Serial Number inside ring by theSee Sold Price
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
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
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
Sold2023Platinum, Star Sapphire, and Diamond RingPlatinum, Star Sapphire, and Diamond Ringthe round cabochon star sapphire (13.62 x 12.16 x 7.20 mm) weighing approximately 12.83 carats prong set within a halo set with full cut round diamonds weighinSee Sold Price
Sold2022A platinum, star sapphire and diamond ringPlatinum; Stamped: 10% Irid P / Plat Centering an oval star sapphire gauged at 11.3mm x 9.7mm x 5.15mm flanked on either side by two old European-cut diamonds totaling approximately 0.30ct. and gradeSee Sold Price
Sold2021Platinum Star Sapphire Cabochon Diamond RingPlatinum ring, with center 11.3 x 9.7 x 9.5mm star sapphire cabochon, surrounded with approx. 0.12ctw in diamonds. Ring size - 5.5, ring top - 12mm wide. Weight - 7.3 grams.See 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
Sold2022Platinum 5.31 CTW Star Sapphire & Diamond RingRef:2022904080 Gold Content:Platinum For people:Women Total Item Weight :6.99grams Ring Size:7.25US Main Stone:Star Sapphire Number of stones:1 Shape:Oval Carat Total Wt:4.38ct Color:Purple Cut GradeSee Sold Price
Sold2023Platinum Purple Star Sapphire & Diamond RingDESCRIPTION: Platinum (stamped PT900) setting with center purple star sapphire cabochon, approximately 4.2 carats (9.7mm x 8.6mm x 4.7mm) surrounded by ten round brilliant cut diamonds and eight channSee Sold Price
2 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 days LeftMynt Auctions14k White Gold Synthetic Blue Star Sapphire Ring with Diamond Accents - Size 7$680
9 hrs LeftMiami Auctions & Appraisals LLC Ceylon No Heat 16.17 carats Blue Sapphire Diamond Platinum Cocktail Ring$61,000
Jun 09Austin Auction GalleryESTATE CUSTOM PLATINUM, 10CT SAPPHIRE & 2.5CTTW DIAMOND RING$2,250(2 bids)
9 hrs LeftMiami Auctions & Appraisals LLC Vintage 1.61cts European Cut Diamond Sapphire Platinum Engagement Ring$9,700