Sold2021Cartier, "Riviere" Diamond Platinum NecklaceOne lady's Cartier "Riviere" graduated diamond necklace made of platinum. Piece is set with 99 round brilliant cut diamonds, all prong set. Piece measures 15 3/4" long. Piece is signed "Cartier" withSee Sold Price
2023Authentic! Cartier Platinum Diamond Mini Cross Pendant Necklace CertificateTitle: Authentic! Cartier Platinum Diamond Mini Cross Pendant Necklace Certificate Item specifics Condition: Pre-owned: An item that has been used or worn previously. See the seller’s listing foSee Sold Price
Sold2019Magnificent diamond necklace, Columbia PicturesMagnificent diamond necklace,circa 1985.From the Estate of Columbia Motion Pictures Chairman Leo Jaffe and his wife Anita Jaffe,a riviere platinum and diamond necklace of extraordinary quality.Seven oSee Sold Price
2023Vintage CARTIER 18k Diamond & Platinum Detachable Set Vintage CARTIER 18k Yellow Gold & Platinum Weight 75.19gr Diamond Approx 1ct Single Cut VS1 G Detachable Set  Measurement Bracelet 7.5”x0.38”  Necklace 15.5”x0.44” BrSee Sold Price
Sold2018* A Platinum, Diamond and Colored Diamond Rivière* A Platinum, Diamond and Colored Diamond Rivière Necklace, containing 69 round brilliant, old European, old mine and single cut diamonds and colored diamonds (origin of color not tested) weighing apSee Sold Price
Sold2023Signed Cartier 10mm Ultra Fine Akoya Pearl 37in Necklace w/ Stunning Platinum 1ctw Diamond ClaspTitle: Signed Cartier 10mm Ultra Fine Akoya Pearl 37inch Long Necklace w/ Stunning Platinum 1ctw Diamond Clasp Description: Genuine signed & numbered Cartier necklace consisting of ultra-fine qualitySee Sold Price
Sold2022DIAMOND RIVIERE NECKLACEDIAMOND RIVIERE NECKLACE, in 18 ct. gold and platinum. The links graduated in size, set with diamonds totalling approx. 5.40 ct. L. 42 cm. 37.8 grams.See Sold Price
Sold2022Cartier Paris Art Deco Platinum Pearl NecklaceCartier Paris Art Deco Platinum Pearl Necklace Weighing 44.1 grams Strung with 67 Pearls measuring 9.8mm to 6.5mm Along with Platinum clasp set with an app. 0.45 Ct. Marquise Diamond And 24 Diamonds wSee Sold Price
Sold2019Diamond, Platinum Necklace The detachable pendaDiamond, Platinum Necklace The detachable pendant features pear-shaped diamonds measuring 8.60 x 6.33 x 3.71 mm and 6.20 x 4.68 x 2.98 mm and weighing a total of approximately 1.75 carats, suspended bSee Sold Price
Sold2019A diamond, platinum necklaceFeaturing one old mine-cut diamond weighing approximately 4.23 cts., accented by four European cut diamonds weighing a total of approximately 0.60 cttw., set in a platinum and 14k yellow gold pendantSee Sold Price
Sold2017Tiffany & Co. Elsa Peretti Diamond Platinum NecklaceTiffany & Co. Elsa Peretti Diamond Platinum Necklace with GIA report Signed / Stamped: TIFFANY & CO., PERETTI, Serial number, PT950 GIA report: 1172420347 1.15 carat Round Brilliant Color and Clarity:See Sold Price
Sold202227.75ct Tanzanite, 1.15ctw Diamond & Platinum Necklace27.75ct Tanzanite, 1.15ctw SI1-SI2/G-H Diamond and Solid Platinum 17.5" Necklace - This lovely necklace is crafted of solid platinum and is comprised of a 1.75" pendant which hangs on a 17.5" box chaiSee Sold Price
Sold2021Riviere Diamond NecklaceRiviere Diamond Necklace 18k white gold, the necklace composed of a double row of graduated round brilliant-cut diamonds weighing approximately 6.28 carats in total. l. 16-1/2", total weight 17.2 gramSee Sold Price
Sold2018Art Deco Cartier Diamond Platinum Lady's Watch CaseMETAL: Platinum. MEASUREMENTS: Case - 19mm excl crown x 19mm. Band - 6.5" long. Case and band decorated with diamonds. Cartier dial with slight discoloration, black Arabic numeral markers. MovemeSee Sold Price
Sold2022Tiffany & Co. Peretti Pearl, Diamond & Platinum NecklaceTiffany & Co. Elsa Peretti 9.5mm-10.5mm South Sea Keshi Pearl, 0.80ctw VS1-VS2/F-G Diamond and Solid Platinum 36" Necklace - This beautiful necklace was made by Tiffany & Co. and designed by renownedSee Sold Price
Sold2022A Transparent Opal Cabochon Diamond Platinum NecklaceA Transparent Opal Cabochon Diamond Platinum Necklace Diamonds - 1.5 TCW Approximate Dimensions: 22.5 mm x 18 mm (Opal Length x width) x 3 cm (pendant length) x 41 cm (Total Unclasped Length of NecklaSee Sold Price
Sold20183.57ct GIA Ruby, 1.15ctw Diamond & Platinum Necklace3.57ct GIA Certified Mozambique Ruby, 1.15ctw VS2-SI1/G-H Diamond & Solid Platinum Necklace (W/$18,000 Appraisal) - This beautiful necklace was finely crafted of solid platinum, and contains a 3.57ctSee Sold Price
Sold2019Tiffany & Co 0.62ct I VS1 Diamond Platinum NecklaceMETAL: Platinum. MEASUREMENTS: Necklace is 16.75" long. GEMSTONES: 0.62ct I/VS1 diamond , comes with a copy of T & Co diamond cert. MARKED: pt950, Tiffany & Co.Pendant bezel marked 274928See Sold Price
Sold2016DIAMOND & PLATINUM NECKLACEDesigned as an "S" shaped bead set diamond ribbon and rows of prong set RBC and marquise-cut diamonds, 5 cts. TW, finished by wheat link platinum chain, ca. 1960. Unmarked. 15", drops 1". 14.8 dwt.See 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
Sold2023Aquamarine, Diamond & Platinum Necklace, Art Deco,emerald and triangular cut gems totaling 15.3 carats surrounded by 24 round diamonds totaling 1 carat, high grade, with appraisal of $6,500.00, 18" long.See Sold Price
Sold2015Ruby Diamond Platinum NecklaceRuby and Diamond in Platinum Necklace. Length: 16" Total Weight: 4.0 gSee Sold Price
Sold20202.80ct Cat's Eye, 0.40ctw Diamond Platinum Necklace2.80ct Cat's Eye Chrysoberyl, 0.40ctw VS2-SI1/G-H Diamond Solid Platinum 16" Necklace - This lovely necklace was finely crafted of solid platinum and is comprised of a 0.5" pendant which hangs on a 16See 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
May 06Heritage Auctions55186: Diamond, Opal, Rock Crystal Quartz, Platinum NeUS$3,000
May 06Heritage Auctions55269: Cartier Art Deco Diamond, Multi-Stone, Enamel, US$3,000
6 days LeftJasper52Oscar Heyman Sapphire Diamond Platinum Necklace Bracelet Brooch Pin PendantUS$68,000