Sold2022Blue Nile Platinum Diamond Band RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.14ctw. MEASUREMENTS: Ring size 4 1/4, ring band is 1.7mm wide. MARKED: Maker's mark, Plat. WEIGHT: 2 grams. Comes with Appraisal report #608682. RetaSee Sold Price
Sold2020Blue Nile Platinum Diamond Band RingMETAL: Platinum. GEMSTONES: diamonds approx. 18ctw. MEASUREMENTS: Ring size 6, ring band is 1.8mm wide. MARKED: Maker's mark PT900. WEIGHT: 3.5 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2021Blue Nile Platinum Diamond Eternity Band RingMETAL: Platinum. GEMSTONES: Diamonds approx. 2.83ctw. VS/H. MEASUREMENTS: Ring size 4 3/4. ring band is 3.5mm wide. MARKED: Pt950 Maker's mark. WEIGHT: 5 grams. Comes with copy of appraisal. RetaiSee Sold Price
Sold2023Blue Nile Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds 1.14ctw VS2-H. MEASUREMENTS: Ring size 6 1/4, center will fit approx. 4.50ct stone. MARKED: Maker's logo mark, PT950, 79204. WEIGHT: 11.9 grams. Comes with copSee Sold Price
Sold2023Blue Nile Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.30ctw. MEASUREMENTS: Ring size 7 1/2, center of the ring will, keep approx. 9mm x 8mm stone. MARKED: Maker's logo mark, Pt950, 73172. WEIGHT: 6.5 graSee Sold Price
Sold2021Blue Nile Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.18ctw. Center of the ring will keep approx. 7 - 7.5mm stone. MEASUREMENTS: Ring size 4 1/4, ring shank is 1.7mm wide. MARKED: Maker's Symbol, PT. WEISee Sold Price
Sold2021Blue Nile Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.12ctw. Center of the ring will keep approx. 5.5mm x 6mm stone. MEASUREMENTS: Ring size 6 1/4, ring shank is 2.8mm wide. MARKED: Maker's mark PT. WEIGSee Sold Price
Sold2022Blue Nile Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.24ctw. Center of the ring will keep approx. 3.5mm -3mm stone. MEASUREMENTS: Ring size 7 3/4. MARKED: Maker's mark PT. WEIGTH: 4.2 grams.Gemstones havSee Sold Price
Sold2022Blue Nile Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.12ctw. Center of the ring will keep approx. 5.2mm x 5mm stone. MEASUREMENTS: Ring size 4 1/4. MARKED: Maker's mark PT. WEIGHT: 4.2 grams.Gemstones haSee Sold Price
Sold2022Blue Nile Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.12ctw. Center of the ring will keep approx. 5mm x 4.5mm stone. MEASUREMENTS: Ring size 6,ring top is 7.8mm wide. MARKED: Maker's mark BL, PT950. WEIGSee Sold Price
Sold2022Blue Nile Platinum Diamond Engagement Ring SettingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.10ctw. Center of the ring will keep approx. 4.8mm x 4mm stone. MEASUREMENTS: Ring size 8 1/2. WEIGHT: 4 grams.Gemstones have not been graded for color anSee Sold Price
Sold20211.02 ct Natural Blue Diamond Platinum Band Ring1.02 ct Natural Blue Diamond Platinum Band Ring. Of the most rare diamonds in existence, this stunning platinum band in filled with elegantly set cuts of these rare natural blue diamonds. Size 6, new,See Sold Price
Sold2023Cathy Waterman Platinum Diamond Blue Topaz Wide Band RingMETAL: Platinum. GEMSTONES: Diamonds. Blue Topaz (some stones are chipped). MEASUREMENTS: Ring size approx. 6-5 3/4, ring band is 21mm wide. MARKED: Marker's mark, Pt900. WEIGHT: 19.4 grams.GemstoSee Sold Price
Sold2017A DIAMOND AND PLATINUM FASHION RING WITH BLUE GEMSThe center diamond measures approximately .125 carats with two side diamonds .0625 carats each, estimated CTTW .25, surrounded by thirteen 3 mm blue gemstones, marked 'Iridium' inside the band, ring sSee Sold Price
Sold2020TIFFANY & CO. Platinum Diamond Sapphire RingTIFFANY & CO. Platinum Weight 4.6gr Diamond 0.3ct Blue Sapphire 0.4ct Measurements 0.8"x0.15" Band Ring Size 6See 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
Sold2021Vintage Platinum Intertwined Diamond Sapphire RingThis is a vintage platinum ring band with intertwined with full cut diamonds and blue sapphires. The diamonds are VS clarity and GH color. Size: 6 US. Weight: 3.5g.See Sold Price
Sold2016Tiffany & Co Platinum Diamond Sapphire Half BandMETAL: platinum. MEASUREMENTS: Ring size 6 1/2, ring is 3.2mm wide . GEMSTONES: Diamonds approx. 0.15ctw, blue sapphires . MARKED: Tiffany & Co, pt950. WEIGHT: 5.3 grams.Gemstones have not been grSee Sold Price
Sold2017SAPPHIRE OR DIAMOND RINGSA blue sapphire pave sphere on RBC diamond white gold band; A RBC diamond and platinum band. Diamonds approx. .15 ct. TW throughout. 18k. Sizes 6, 5. 4.2 dwt.See Sold Price
Sold2023Platinum Blue Spinel Cabochon and Diamond RingLarge center prong set blue spinel, approx. 13mm h. x 12mm base, collar with 18 accent diamonds, linked platinum band. Size 4. Approx. 8 grams inclusive. Condition: Note several minor chips to spinel.See Sold Price
Sold20194.4ct GIA No Heat Blue Sapphire & 2.7ctw Diamond Ring4.40ct GIA Certified Cushion Cut No Heat Blue Sapphire, 2.70ctw VS1-VS2/G-H Diamond & Solid Platinum Ring W/Ornate Incised Band (Comes W/$37,000 Appraisal) - This stunning ring was finely crafted of sSee Sold Price
Sold2022Unmarked platinum diamond engagement ringUnmarked platinum diamond engagement ring, 60-70 pt center stone, 3 small stones on each shoulder of a filigree setting, along with an unmarked platinum eternity band set with pale blue stones, stonesSee Sold Price
Sold2024900PT 16.05CT BLUE TOPAZ DIAMOND RING, 5.75A 900-purity platinum 16.05-carat oval-cut blue topaz ring accented by 0.05 carats of round-cut diamonds. Stamped 16.05, 0.05, Pt900, on the inside of the ring band. Details and measurements: Ring sizSee Sold Price
Sold2023JEWELRY. Antique Carved Sapphire Intaglio Ring.Antique platinum set carved blue sapphire? intaglio of a standing figure with a surround of (13) round faceted diamonds and further accented by band of faceted emeralds. Accompanied by a July 7th, 202See Sold Price
4 days LeftHudson Valley Auctioneers LLC Beacon NYJewelry. (2) rings. Platinum band w/ 7 diamond chips, size 8 1/2, 2.75 grams. 18kt Vintage white$90(3 bids)
May 13Platinum Auction GroupCartier Sapphire & Diamond 18k White Gold Band Ring Size 49 -US 5 w/Cert$300
18 hrs LeftSeized Assets Auctioneers1.51 ctw F COLOR CENTER Diamond Platinum Ring (4.14 ctw Diamonds)$1
6 days LeftJasper52GIA Certified 2.58ct Natural No Heat Sapphire Diamond Ring Unheated Platinum$6,000
May 10Crescent City Auction GalleryLady's Platinum Heart Shaped Sapphire and Diamond Dinner Ring, Total Diamond Wt.- 1.51 cts, Size- 6$2,500