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
Sold2024Blue Nile Platinum Diamond Engagement Ring SettingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 5 3/4, center will fit approx. 5.5mm stone. MARKED: Maker's logo mark Plat. WEIGHT: 6.6 grams.Gemstones have not beenSee 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 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
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
Sold20183.7ctw Blue Sapphire & Diamond Platinum Necklace2.70ctw Near Flawless Blue Sapphire, 1.00ctw VS1-VS2/G-H Diamond & Solid Platinum 15" Necklace - This gorgeous piece was finely crafted of solid platinum, and has a 1.25" suspended circular pendant whSee Sold Price
Sold2020DANCING DIAMOND PLATINUM NECKLACE WITH BLUE POUCHDANCING DIAMOND PLATINUM NECKLACE WITH BLUE POUCH ~ 16" CHOKER LENGTH NECKLACE SET WITH FIVE CHAMPAGNE COLORED BRIOLETTE CUT DIAMONDS, SIMPLISTIC MODERN DESIGN, WITH UNIQUE HOOK CLASP CLOSURE, STAMPEDSee Sold Price
Sold2022Gold, Platinum, Blue Guilloché Enamel and Diamond Pendant-Watch NecklaceGold, Platinum, Blue Guilloché Enamel and Diamond Pendant-Watch Necklace 14 kt., mechanical, circular silver-tone engine-turned dial, black Arabic numerals, outer track indicator, blue guilloch&#See Sold Price
Sold2017Tiffany & Co. Platinum Diamond Blue Stone StarMETAL: platinum. GEMSTONES: diamond, blue stones. MEASUREMENTS: necklace is 17" long. Drop part is 32mm long. Star is 13mm x13mm. MARKED: Tiffany & Co. Pt950. WEIGHT: 4.5 grams. Antique 14k gSee Sold Price
Sold2022Gold, Platinum, Blue Guilloché Enamel, Diamond and Seed Pearl Pendant-Watch NecklaceGold, Platinum, Blue Guilloché Enamel, Diamond and Seed Pearl Pendant-Watch Necklace 18 kt., mechanical, circular textured gold-tone dial, black Arabic numerals, rose-cut diamonds, blue guilloch&See Sold Price
Sold2022TIFFANY JAZZ PLATINUM SAPPHIRE DIAMOND NECKLACEA Tiffany and Co Jazz Long Drop pendant necklace in platinum, set with one baguette cut diamond, 13 round cut diamonds and a one large round cut blue sapphire. Marked on the clasp: Tiffany and Co., PTSee Sold Price
Sold2022Tiffany & Co Infinity Platinum Diamond Pendant NecklaceMETAL: Platinum. MEASUREMENTS: Necklace is 16" long, pendant is 17mm x 8mm. GEMSTONES: Diamonds approx. 0.24ctw. Comes with pouch and outer blue box. MARKED: Tiffany & Co, pt950. WEIGHT: 3.5See Sold Price
Sold2016Art Deco Platinum 14k Gold Diamond Blue Stone NecklaceChain is 14k gold - 15 7/8" long , pendant is platinum - measures 20mm long with bale x 13mm in diameter . Decorated with blue stones and old mine and old European cut diamonds. Pendant tested plSee Sold Price
Sold2019Tiffany & Co Victoria Platinum Diamond Blue StoneMETAL: platinum. GEMSTONES: 4 marquise cut diamonds,blue stone 7mm. MEASUREMENTS: necklace is 16" long. Pendant is 15mm long x 8mm at widest point. MARKED: Tiffany & Co PT950. WEIGHT: 4.2 graSee Sold Price
Sold2018Platinum, Diamond and Sapphire Necklacefive round spacers each with one pearl bead approx. 5mm, approx. 114 round brilliant diamonds estimated total weight 1.50cts., 37 round faceted blue sapphires estimated total weight 0.50ct., chain andSee Sold Price
Sold2024Platinum, Diamond, and Gemstone NecklacePlatinum, diamond, gemstone. Chain length: 16" Pendant diameter: 3/4". Chain weight: 0.085ozt. Platinum pendant with blue gemstone and surrounding diamonds. Stamped PT950 to clasp.See Sold Price
Sold2018PLATINUM TIFFANY PERETTI SAPPHIRE DIAMOND NECKLACEDesigner Elsa Peretti for Tiffany & Company necklace crafted of 950 platinum featuring a center round cut blue sapphire gemstone accented with two diamonds. Necklace is completed with a spring ring clSee Sold Price
12 hrs LeftMiami Auction GalleryVintage Diamond Sapphire Platinum Bow Pendant Multi Strand Pearl Necklace$9,500