1.14CT ROUND BRILLIANT DIAMOND PLATINUM ART DECO VINTAGE RING SIZE 7.5Modern Jewelry4.5(203)$6,1005 days Left
1.14CT ROUND BRILLIANT DIAMOND PLATINUM ART DECO VINTAGE RING SIZE 7.5Modern Jewelry4.5(203)$6,100Mar 03, 2026
1.60 CARAT CIRCULAR BRILLIANT CUT I SI DIAMOND PLATINUM THREE-STONE RINGModern Jewelry4.5(203)$3,7005 days Left
Platinum Diamond Ring 1.15 Ct G Color SI2 with 16 Accent DiamondsDiamond Depot4.3(10)$4,2503 days Left
Platinum 4.18 Ct GIA Certified Old European Diamond Ring with 26 Accent DiamondsBidhaus4.2(836)$1004 days Left
2.13 Carat GIA Certified Old European Cut Diamond Platinum Engagement RingBidhaus4.2(836)$100Feb 04, 2026
1.09 Ct Platinum Tiffany & Co Engagement RingCase Antiques, Inc. Auctions & Appraisals4.7(308)$1,400(5 bids)4 days Left
SoldPlatinum 1.2 Carat Diamond RingLot 115 Platinum 1.2 Carat Diamond Ring platinum ring set with brilliant cut approximately 1.2 carat diamond center stone surrounded by 26 smaller diamonds. stamped ”10% IRID PLAT”, size:See Sold Price
SoldPLATINUM & DIAMOND 3.3 DWT RING (1/2 CARAT TOT. WT)PLATINUM & DIAMOND 3.3 DWT RING (1/2 CARAT TOT. WT)See Sold Price
SoldAntique 14K Gold & 1.12 Ct Diamond RingDESCRIPTION: 14k gold (stamped) antique yellow gold filigree ring with platinum illusion top set with 1.12 carat Old European cut diamond. Clarity SI2, Color G-H. MEASUREMENTS: 2.4 grams. Size 5-1/4.See Sold Price
SoldDIAMOND SOLITAIRE RING IN PLATINUM SETTING CENTER STONE APPROX. 1.2 CARATS APPROX. 2.3 DWT, MISSINGDIAMOND SOLITAIRE RING IN PLATINUM SETTING CENTER STONE APPROX. .90 CARATS APPROX. 2.3 DWT, MISSING 1 ACCENT DIAM.See Sold Price
900PT 1.12CT SAPPHIRE DIAMOND FILIGREE RING, 7Platinum filigree ring with a 1.12-carat oval-cut sapphire center stone accented with approximately 0.04 carats of round brilliant diamonds. Stamped 112, Pt900, on the inside of the ring band. DetailsSee Sold Price
SoldPlatinum Ring with Five DiamondsFive round diamonds of approximately 2.9 mm each in a Platinum band. Diamonds are approximately .12 carats each. Ring is 6 1/4. All measurements are approximate. Condition: Excellent. Provenance:See Sold Price
Sold1.12 carat Diamond Platinum Art Deco RingPlatinum art deco ring with 1.12 carat round cut diamond and 12 accented diamonds. Inner band is marked "10% Irid Plat", meaning 90% platinum. This ring was owned and past down as a family ring. IncluSee Sold Price
SoldPlatinum, White Gold and Diamond Ring and NecklacePlatinum, White Gold and Diamond Ring and Necklace (2) items including a ring having (4) 2.1mm round cut diamonds 0.12 carat H/I color, SI-2 clarity and surrounded by (13) 1mm sapphires in a square seSee Sold Price
SoldPT900 5.12CTW AMETHYST & DIAMOND RING, SIZE 7A 900 platinum split-band ring having a modified oval cut 5-carat amethyst center stone in a raised prong setting with scrolling filigree, flanked by 0.12 carats of round-brilliant cut diamonds. StampSee Sold Price
Platinum, citrine and diamond ring, 5 dwts,c1925Platinum, citrine and diamond ring, 5 dwts. Size: 6. This ring has eighteen .15ct round full cut VS1-SI2 old European diamonds, a citrine stone approximately 12 carats, measuring 15.5mm x 11.5mm x 6.7See Sold Price
SoldPLATINUM, SAPPHIRE, & DIAMOND RINGcentering one round mixed cut dark sapphire weighing approximately 1.70 carats; and 12 full cut diamonds [I-J/VS] weighing approximately 0.12 carats total; 8.0 grams; size: 8See Sold Price
SoldPLATINUM & DIAMOND ETERNITY RING, 1.12CTWSet with 32 alternating princess cuts and baguettes approx. 1.12 carats, band height 4mm, tests platinum, size 4.75, 6.4gms.See Sold Price
SoldElsa Peretti for Tiffany & Co. Platinum and Diamond Wedding BandsPair can be worn separately or as a ring enhancer, diamonds weighing approximately 0.12 carats total for both rings, G or better color, VS or better clarity; marked 'PT950', 'Spain' and 'Peretti'; togSee Sold Price
Sold900PT SOUTH SEA PEARL & DIAMOND RING, 6.75A beautiful 900 platinum 12.1mm South Sea pearl ring accented by 0.14 carats of round brilliant-cut diamonds. Stamped Pt900, D0.14, on the inside of the ring band. Details and measurements: Ring size:See Sold Price
Sold14KT YELLOW GOLD DIAMOND DOT RING BAND14KT YELLOW GOLD DIAMOND DOT RING BAND14KT GOLD WT. APPROX. 1.67 GRAMDIAMOND WT. APPROX. 0.12 CARAT / 20 PCS SIZE 7See Sold Price
SoldFancy Deep Yellow Brown Round Cut Diamond & Platinum Art Deco Ring 2.72 Carats Size 6Ca. first half 20thC. Excellent condition with a beautiful two carat fancy color diamond. Total diamond Weight 2.72 Carats, Fancy color diamond weight 2.12 carats. Ring size 6. Weighs approx. 5.5 gramSee Sold Price
SoldA Platinum and Diamond Ring, 5.50 dwts.A Platinum and Diamond Ring, containing one round brilliant cut diamond weighing approximately 1.01 carat, 12 marquise cut diamonds weighing approximately 0.95 carat total and 28 baguette cut diamondsSee Sold Price
SoldPlatinum 0.93 Carat Total Old European Cut Diamond Engagement RingVintage Platinum Diamond Ring - Platinum, Diamonds Features: 0.73 carat Old European Round Center Stone .20 carat total Old European Round Side Stones 12 Side Stones Platinum Setting Floral Detail FlaSee Sold Price
SoldPlatinum 850 - 1.25tcw - Diamond RingNo Reserve Price! Grading Results:___________Stone Type: Natural DiamondShape: Round BrilliantCarat: 12 Pcs / 1.25 ctColor: D-FClarity: VS1-SI1 Jewelry Material: Platinum 85See Sold Price
SoldPlatinum 900 - 12.68cw - Kunzite & Diamond RingNo Reserve Price! Grading Results:___________Stone Type: Natural KunziteShape: Oval Step CutCarat: 12.60 ctColor: PinkClarity: Loupe Clean Grading Results:___________<See Sold Price
SoldPLATINUM, SAPPHIRE AND DIAMOND RINGPLATINUM, SAPPHIRE AND DIAMOND RING • Platinum • 1 oval-shaped sapphire weighing approximately 0.65 carat • 12 round and 4 baguette-cut diamonds weighing approximately 0.35 carat See Sold Price
SoldPlatinum 900 - 12.68tcw - Kunzite & Diamond RingNo Reserve Price! Grading Results:___________Stone Type: Natural KuziteShape: Oval Step CutCarat: 12.60 ctColor: PinkClarity: Loupe Clean Grading Results:___________See Sold Price
SoldPLAT. SAPPHIRE & DIAMOND FILIGREE RING, 5.5900-purity platinum filigree ring with a 0.71-carat oval-cut sapphire center stone accented by 0.12 carats of round brilliant diamonds. Stamped Pt900, 071, 012, on the inside of the ring band. DetailsSee Sold Price
SoldPlatinum, 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
