14K GOLD DIAMOND AND SAPPHIRE THREE STONE RINGThomaston Place Auction Galleries4.4(427)$1,500Feb 22, 2026
SoldNatural Kashmir Sapphire Ring - GubelinNatural Kashmir Sapphire Ring - Gubelin........7.71 carats.....cushion cut.......completely untreated sapphire......100% Natural and Origin - Kashmir.See Sold Price
SoldNatural Kashmir Sapphire Ring - GubelinNatural Kashmir Sapphire Ring - Gubelin........7.71 carats.....cushion cut.......completely untreated sapphire......100% Natural and Origin - Kashmir.See Sold Price
SoldNatural Kashmir Sapphire Ring - GubelinNatural Kashmir Sapphire Ring - Gubelin........7.71 carats.....cushion cut.......completely untreated sapphire......100% Natural and Origin - Kashmir.See Sold Price
SoldUNHEATED BURMESE BLUE SAPPHIRE RING WITH DIAMONDSUNHEATED BURMESE BLUE SAPPHIRE RING WITH DIAMONDS An exquisite snowy diamond halo surrounds a luscious 12 ct Unheated Burmese Blue Sapphire. (AGL and GRS Certified) Item: # 03398 Metal: 18k W Lab: GrsSee Sold Price
SoldA 11.61 CARAT MOZAMBIQUE PARAIBA, DIAMOND AND PINK SAPPHIRE RINGSet with an oval-shaped paraiba, weighing 11.61 carats, within an rose-cut diamonds and oval-shaped pink sapphires surround, accented with circular-cut diamonds, pink sapphires weighing 2.15 carats inSee Sold Price
SoldUNHEATED YELLOW SAPPHIRE RINGUNHEATED YELLOW SAPPHIRE RING This 3.00 ct Unheated Yellow Sapphire is the hero in this ring, followed by a halo setting of polished white diamonds Item: # 04008 Metal: 14k White Gold Color Weight: 3.See Sold Price
SoldPLATINUM 15.0 CTTW DEEP BLUE SAPPHIRE RINGSAPPHIRE ETERNITY BAND A timeless deep blue colored Sapphire band set in Platinum. Only the best metal used for the best quality stones Item: # 03971 Metal: Platinum Color Weight: 15.67 ct.See Sold Price
SoldCHARMING BLUE SAPPHIRE RINGCHARMING BLUE SAPPHIRE RING This elegant blue sapphire three stone ring so unique, its claw set stones are flanked by glimmering half-moon sapphires, displaying a mesmerizing harmony of blue dazzle ItSee Sold Price
SoldA diamond and sapphire ringPlatinum; Stamped: Plat Centering an marquise brilliant-cut diamond weighing 2.37cts., with a GIA report dated July 27, 2022 stating I color and VVS2 clarity, channel set with twenty-five square cushSee Sold Price
SoldTIFFANY & CO. 14K Gold, Aquamarine, and Sapphire RingTIFFANY & CO. 14K Gold, Aquamarine, and Sapphire Ringcentering an emerald-cut aquamarine weighing approx. 15.75 cts. flanked by six circle-cut sapphires; signed Tiffany & Co.; 7.21 dwts.; size 5 1/2PrSee Sold Price
SoldAn impressive platinum Burma sapphire ring, set with anAn impressive platinum Burma sapphire ring, set with an emerald-cut sapphire weighing approximately 11.50 carats, between two step-cut diamond weighing approximately 0.30 carats. Assay marks. Weight 9See Sold Price
Sold2.5 CARAT DIAMOND and SAPPHIRE RINGPlatinum ring set with 8.7mm 2.5ct VS 2 K-L color diamond flanked by (2) 5mm trillion cut sapphires approx. .33ct each. 4.7dwt size 5. Provenance: Firestone & Parson, Newbury St, Boston.See Sold Price
SoldPlatinum Diamond Sapphire RingCenter set with one oval Blue Sapphire Weighing 7.76 carats, along with two trillion cut Diamonds [I/SI2-I] together approximately weighing .93 carats; and with 36 round brilliant Diamonds [H/SI] weigSee Sold Price
SoldPlatinum, Diamond, and Sapphire Ringweighing approx. 10.34 carats, with GIA report: 2231115093; ring size 7 3/4;See Sold Price
Sold8.86 Carat Sapphire Ring14k Ring with AGL certified 8.86 carat oval blue sapphire and 16 round diamonds weighing approximately 2.40 carats. 7.42gSee Sold Price
SoldAntique Pt 2.93ct Old European Diamond Sapphire RingThis is an antique platinum filigree Art Deco ladies ring set with an 2.93ct Old European cut solitaire diamond. The solitaire is flanked by sapphire accents. Diamond Clarity: SI Diamond Color: NOP. RSee Sold Price
SoldPlatinum Diamond & Sapphire RingPlatinum Diamond & Sapphire RingWeighing 8.1 gramsSet with an app. 1.90 Ct. Diamond in CenterK Color, VVS1 ClarityAlong with 28 Diamonds weighing app. 1.80 Ct.F-G Color, VS1-SI2 ClarityAnd 16 SapphireSee Sold Price
Sold18 KARAT WHITE GOLD, DIAMOND, & SAPPHIRE RINGcentering one octagonal modified brilliant-cut sapphire weighing 7.67 carats, with GIA report no. 2225291333 stating the sapphire is unheated; with two trillion-cut diamonds [I-K/SI2-I1] weighing apprSee Sold Price
SoldArt Deco Platinum Diamond Sapphire RingArt Deco Platinum Weight 11.28gr Measurements 0.68”x0.78” Diamond Approx 2.08ct Vs1 Center Cabochon Sapphire Approx 2.5ct top and Bottom Approx 0.5ct TW 3ct Ring 6.5See Sold Price
Sold14K Yellow Gold Emerald Diamond Sapphire Ring, 15.31ctItem: 14K Yellow Gold Emerald Diamond Sapphire Ring Metal: 14 kt yellow gold Center Stone: Natural IGI certifified green emerald, 15.31 ct Clarity: Transparent (with inclusions) Size: 18.74 x 14.70 xSee Sold Price
Sold(GRAND DUKE SERGE ALEXANDROVICH OF RUSSIA) SAPPHIRE RINGGRAND DUKE SERGE ALEXANDROVICH (1857-1905) Grand Duke of Russia, son of Emperor Alexander II of Russia and Governor-General of Moscow from 1891-1905. The Grand Duke was an influential figure during thSee Sold Price
Sold18K White Gold Diamond and Natural Sapphire Ring18K white gold diamond and natural sapphire ring, .91 CTW of round brilliant diamonds, 4.45 CT oval brilliant cut natural Burmese sapphire, approximately 7 grams TW, size 7, with GIA sapphire report.See Sold Price
SoldPlatinum Emerald Cut Diamond and Sapphire RingHandmade platinum emerald cut diamond (2 tcw) and sapphire ring, central raised horizontal four prong set emerald cut diamond (approx. 2.01 ct, clarity VS-1, color E-F), channel set in the band are foSee Sold Price
SoldDe la Cour 18k Gold Steel Diamond 12.65ct Sapphire RingMETAL: 18k Gold/ Stainless Steel. MEASUREMENTS: Ring size - 5.5, ring top is 15mm wide. GEMSTONES: Sapphire - 12.3 x 12.3 x 9.5, approx. 12.65ct (stone is not secure in the setting). Diamonds approx.See Sold Price
