Sold2017Ladies Platinum Art Deco-Style Star Sapphire RingLadies vintage Art Deco-style platinum ring with oval cabochon star sapphire approximately 18 x13mm, fair very light grey-blue color, good star, eye clean, with two marquise diamonds approximately .35See 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
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
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
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
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
Sold2020Wesley Emmons Platinum Star Sapphire RingFeatures an 8.5mm pale lavender grey round cabochon, size 7. 9.6gtw.See Sold Price
Sold2020GENTS PLATINUM STAR SAPPHIRE RINGGENTS PLATINUM STAR SAPPHIRE RING featuring a round star sapphire approx. 6mm, ring height 10.5mm, sapphire with a couple minor dings or flaws and a pin dot inclusion observed with a loupe, tests platSee Sold Price
Sold2015Two Gentleman's Star Sapphire Rings14K rings, with oval star sapphires, size 9 and 10, Wt. 15 gSee 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
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
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
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
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
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
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
Sold2021PLATINUM STAR SAPPHIRE FOLDED LINK RINGBeautiful South African star sapphire bezel-set in a platinum watch-style folded link ring. Ring size 6.5; sapphire measures 12mm x 9mm. Unmarked, tested for Pt. Weight: 15.2 dwt Condition: Platinum wSee 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
Sold2017Platinum Sterling Silver Star Sapphire Ring, 5.5ctwItem: 5.50 carat Genuine Star Sapphire, Sapphire, & White Crystal Ring Metal Purity: Platinum over Sterling Silver Gemstones: Star Sapphire & Sapphire Carat Weight: 5.5 Ring Size 9, Star Sapphire diffSee 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
Sold2024Platinum 8.45ct Star Sapphire Cabochon Diamond RingMetal : Platinum Designer : Not Signed Gemstone : Star sapphire cabochon 8.45ct, Diamonds 0.58ctw. Measurements : Ring size 6.5, top is 11.5mm wide. Marked: : pt900, 058, 8.45.See Sold Price
Jul 07Case Antiques, Inc. Auctions & AppraisalsTwo Gold & Cabochon Ruby Rings and one Gold & Sapphire Ring$300
12 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
3 days LeftFederal Assets Auctioneers0.29 ctw Diamond and 0.88 ctw Blue Sapphire Platinum Ring (1.17 ctw Diamonds)$1
2024Eric's Estate & JewelryAntique Art Deco Old European and Mine Cut Diamond and Sapphire Ring in PlatinumSee Sold Price
12 hrs LeftEric's Estate & JewelryAntique Art Deco Old European and Mine Cut Diamond and Sapphire Ring in Platinum$1,000
12 hrs LeftEric's Estate & JewelryNatural Black Star Sapphire and Diamond Nugget Ring in 14k Yellow Gold$1,000