Sold2022Platinum and Diamond Filigree Pendant-BroochPlatinum and Diamond Filigree Pendant-Brooch One old-mine cut diamond ap. .70 ct., 98 old-mine and old-mine single-cut diamonds ap. 3.45 cts., c. 1915, ap. 9.7 dwts. C Property of a New York EstateSee Sold Price
Sold2021Platinum, 10k White Gold and Diamond Pendant / BroochPlatinum, 10k White Gold and Diamond Pendant / Brooch Having (21) round cut diamonds weighing approximately 1.50 carats total Height: 3/4 inches, Width: 2 inches Weight: 3.92 dwts. (total weight) CondSee Sold Price
Sold2022Platinum, Gold, Demantoid Garnet and Diamond 'Prince of Wales' Pendant-BroochPlatinum, Gold, Demantoid Garnet and Diamond 'Prince of Wales' Pendant-Brooch 56 old European-cut diamonds ap. 1.00 ct., round demantoid garnets, c. 1905, ap. 9 dwts. CSee Sold Price
Sold2018Platinum Diamond Pendant BroochMETAL: platinum. GEMSTONES: diamonds-approx. 1.60-1.70ctw. MEASUREMENTS: pendant/brooch measures 52mm long x 40mm at widest point. MARKED/TESTED: 1, tested platinum. WEIGHT: 7.6 grams.Gemstones have nSee Sold Price
Sold2020Art Deco Platinum Diamond Pendant BroochPlatinum Art Deco brooch/pendant, with approx. 1.20ctw in diamonds. Brooch is 40mm x 20mm. Tested plat. Weight - 7.2 grams.See Sold Price
Sold2019Platinum and Diamond Pendant/BroochPlatinum and Diamond Pendant/Brooch centering a bezel-set old European-cut diamond weighing 0.45 ct. surmounted with rose- and full-cut diamonds within an open-work setting suspending a pear-shape diaSee Sold Price
Sold2022A platinum and diamond pendant/broochA platinum and diamond pendant/brooch designed as a heart shape convertible pendant/brooch, set with twenty-one round brilliant-cut diamonds, three marquise cut diamonds, and twelve baguette-cut diamoSee Sold Price
Sold2020Art Deco Platinum Diamond Emerald Pendant BroochArt Deco platinum brooch with hidden bale to be worn as a pendant. Set with approx. 2.30ctw in diamonds and emeralds. Brooch measures 45mm x 25mm, bale - 20mm long. Weight - 13.4 grams.See Sold Price
Sold2023Art Deco Platinum Diamond Onyx Pendant BroochMETAL: Platinum. MEASUREMENTS: Pendant is 38mm x 21mm. GEMSTONES: Onyx, Diamonds approx. 2.20ctw. TESTED: Plat. WEIGHT: 10.3 grams.Gemstones have not been graded for color and clarity ,and tested forSee Sold Price
Sold2017Platinum Diamond Dangle Pendant BroochMETAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: pendant/brooch measures 42mm long x 20mm at widest point. TESTED: platinum. WEIGHT: 5.3 grams. Gemstones have not been graded for color and claritySee Sold Price
Sold2023TIFFANY & CO. Platinum, Diamond, and Sapphire Pendant/BroochTIFFANY & CO. Platinum, Diamond, and Sapphire Pendant/Broochthe circle brooch featuring a row of round brilliant-cut diamonds weighing approx. 3.10 tcw. and a row of channel-set baguette-cut sapphiresSee Sold Price
Sold2022Rose Gold, Platinum, Diamond and Ruby Pendant-BroochRose Gold, Platinum, Diamond and Ruby Pendant-Brooch One old European-cut diamond ap. 1.05 cts., 16 old European and old mine-cut diamonds ap. 1.65 cts., 18 small old-mine cut diamonds, 9 round rubiesSee Sold Price
SoldA PLATINUM TOPPED-GOLD AND DIAMOND PENDANT BROOCHA PLATINUM TOPPED-GOLD AND DIAMOND PENDANT BROOCH • Platinum and 14k yellow gold • Numerous old European-cut diamonds weighing approximately 2.30 carats total • Measures 3 3/4 in. &#See Sold Price
Sold2021Art Deco Platinum Carved Jade Diamond Pendant BroochPlatinum Art Deco pendant brooch, with carved jade and rose cut diamonds. Brooch is 42mm x 25mm. Tested plat. Weight - 12 grams.See Sold Price
2018A Platinum and Diamond Ring, 3.50 dwts.A Platinum and Diamond Ring, containing one octagonal step cut diamond weighing 5.02 carats and two baguette cut diamonds weighing approximately 0.50 carat total. Stamp: PLATINUM. Accompanied by a GemSee Sold Price
Sold2019A Platinum and Diamond Ring, 6.10 dwts.A Platinum and Diamond Ring, containing one pear shape brilliant cut diamond weighing 2.58 carats and 30 round brilliant cut diamonds weighing approximately 0.65 carat total. Stamp: PLAT. AccompaniedSee Sold Price
Sold2019A Platinum and Diamond Ring, 3.60 dwts.A Platinum and Diamond Ring, containing one pear shape brilliant cut diamond weighing 4.13 carats and two tapered baguette cut diamonds weighing approximately 0.10 carat total. Stamp: 10% IRID PL (obsSee Sold Price
Sold2016ART DECO 10.00 CT DIAMOND & PLATINUM BROOCH / CLIPLadies estate Art Deco platinum and approx 10.00 ct total weight diamond convertible brooch / dress clips, the frame allows it to be converted to a matched pair of dress clips, the brooch is hand fabrSee Sold Price
Sold2022Platinum, Diamond and Simulated Emerald Pendant-BroochPlatinum, Diamond and Simulated Emerald Pendant-Brooch One marquise-shaped diamond ap. 1.00 ct., 118 old European-cut diamonds ap. 3.95 cts., 2 triangle-shaped diamonds, calibré-cut simulated emeSee Sold Price
Sold2019A Pair of Platinum and Diamond Earclips, 11.00 dwts.A Pair of Platinum and Diamond Earclips, in a door knocker style, containing 74 round brilliant cut diamonds weighing approximately 4.80 carats total and 10 marquise cut diamonds weighing approximatelSee Sold Price
Sold2019A 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
Sold2018A Platinum and Diamond Wristwatch, 15.70 dwts.A Platinum and Diamond Wristwatch, 18.00 x 18.00 mm case dimensions, the case and bracelet containing 103 old European and round single cut diamonds weighing approximately 0.75 carat total, matte silvSee Sold Price
Sold2018Platinum diamond jockey brooch,c.1970, 4.7 dwtsPlatinum and 18k yellow gold and diamond jockey brooch, c.1970, 4.7 dwts. This brooch has approximately 42 round VS1 G color .03ct single cut diamonds, for a total diamond weight of 1.20 carats. 1.75"See Sold Price
Sold2018*A Platinum and Diamond Ring, 2.70 dwts.A Platinum and Diamond Ring, containing three round brilliant cut diamonds weighing approximately 0.51 carat total and four baguette cut diamonds weighing approximately 0.27 carat total. Stamp: IRID-PSee Sold Price
Jun 12DOYLE Auctioneers & AppraisersPlatinum and Diamond Chain Necklace with Diamond and Synthetic Sapphire Pendant-BroochUS$2,500
Jun 13DOYLE Auctioneers & AppraisersDavid Webb Pair of Gold, Platinum and Diamond Knot EarclipsUS$2,250(1 bid)
Jun 12DOYLE Auctioneers & AppraisersAngela Cummings Pair of Gold, Platinum and Diamond EarclipsUS$500
Jun 12DOYLE Auctioneers & AppraisersOscar Heyman Brothers Pair of Platinum and Diamond Hoop EarringsUS$1,500