Sold201818KT Gold, Platinum, and Multi-Gemstone Brooch, signed18KT Gold, Platinum, and Multi-Gemstone Brooch, signedthe carved amethyst urn with a gold and diamond accented base, the finely carved gemstone bouquet to include aquamarine, pink tourmaline, citrine,See Sold Price
Sold2022Multi-Colored Gemstone Brooch With a Removable 18kt Yellow Gold Accent - missing stoneMeasuring approx. (1.06” x 0.45”) dual tone design, platinum pin with a removable 18kt yellow gold trim, featuring florets composed of sapphires, rubies and diamonds. (diamonds approx. G-HSee Sold Price
Sold2016PLATINUM, GOLD & DIAMOND CIRCLE ESTATE BROOCHLadies estate platinum,18kt gold and diamond brooch, two interlocked circles set with approx 2.00 cts total weight diamonds of varied size, 1.5"l, 1"w, 6.7 grams (inclusive of diamonds) Start Price: $See Sold Price
Sold2021ESTATE 18KT GOLD, PLATINUM & DIAMOND BROOCHEstate 18kt yellow gold (tested) brooch, thirty-eight square-cut, channel-set red stones (synthetic), twenty-seven diamonds in platinum-topped setting, two bezel-set diamond and pearl drops, approx 1See Sold Price
Sold202218kt Yellow Gold, Platinum, Diamond & Gemstone Ring18kt Yellow Gold, Platinum, Diamond & Gemstone Ring Size 9.5, tapered shank ring featuring an oval cut green tourmaline center stone (2.4ct) in a half bezel setting accented with diamond rounds (I-SI2See Sold Price
Sold202218kt White Gold, Platinum Top, Diamond Brooch18kt White Gold, Platinum Top, Diamond Brooch Measuring (1.25") in diameter containing European cut diamonds in a floral design (H-SI2) approx. 2.46ct tdw, electronically tested, unsigned piece (9.6 gSee Sold Price
Sold2021JADE DIAMOND PLATINUM & 18kt WHITE GOLD BROOCHChinese jade platinum and 18kt white gold brooch with diamonds. Marked PLAT 18ct. Brooch measures 46mm length. Jade measures 28mm x 17mm. Total weight 4.5dwt.See Sold Price
Sold2017Art Deco Filigree Gold Platinum Diamond Crystal BroochMETAL: platinum, 14k gold. GEMSTONES: diamond, frosted crystal. MEASUREMENTS: brooch is 47mm x 20mm at widest point.MARKED: 14K&PL. WEIGHT: 4.5 grams. Gemstones have not been graded for color andSee Sold Price
Sold2017Antique 14K Gold Platinum Pearl Frog Brooch PinMETAL: 14K gold, platinum. GEMSTONES: diamonds, pearls. MEASUREMENTS: brooch is 35mm long x 40mm at widest point. TESTED: 14K, platinum. WEIGHT: 5.7 grams. Gemstones have not been graded for color andSee Sold Price
Sold2018Platinum 14K Gold Diamond Open Circle BroochMETAL: platinum, 14k gold. GEMSTONES: diamonds-approx. 0.90ctw. MEASUREMENTS: brooch is 29mm in diameter. MARKED: 14K, tested platinum. WEIGHT: 4.1 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2018Art Deco Filigree Platinum Gold Diamond BroochMETAL: platinum, 14k gold. GEMSTONES: diamond-approx. 0.13ct. MEASUREMENTS: brooch is 63mm long x 10.5mm at widest point. MARKED/TESTED: platinum,14K. WEIGHT: 3.7 grams.Gemstones have not been gradedSee Sold Price
Sold201818K Gold Platinum Diamond Jabot Brooch PinMETAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 0.60ctw. MEASUREMENTS: brooch is 68mm long x 20mm at widest point. TESTED: 18K, platinum. WEIGHT: 5.2 grams.Gemstones have not been graded for coSee Sold Price
Sold2017Tiffany & Co. 18K Gold Platinum Diamond ButterflyMETAL: 18K gold. platinum. GEMSTONES: diamonds-approx. 0.13ctw. MEASUREMENTS: brooch is 25mm x 26mm. MARKED: 750 Tiffany &Co, tested platinum. WEIGHT: 4.7 grams. Gemstones have not been graded forSee Sold Price
Sold2021Art Deco Tiffany & Co Platinum 18k Gold Bar BroochMETAL: Platinum and 18k Gold. GEMSTONES: Diamonds approx. 1.50ctw. MEASUREMENTS: Brooch is 46mm x 4.2mm wide. MARKED: Tiffany & Co. WEIGHT: 6.1 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2023JEWELRY. 18kt Gold, Platinum, Diamond and RubyPendant. Large 18kt yellow gold handhammered pendant or brooch suspending an oval form platinum pendant with a central prong-set oval faceted colored gem, most surely a ruby, with a surround of surrouSee Sold Price
Sold202118K DIAMOND GEMSTONE KIESELSTEIN CORD BROOCHAn 18KT yellow gold Barry Kieselstein-Cord Matlese Cross brooch. There are 4 round diamonds (.80 ctw) accented with a 3 carat green tourmaline in the center with 4 pearls on each end and a crescent moSee Sold Price
Sold2022Antique Opal Cameo Diamond Platinum BroochAntique black opal cameo set atop onyx set in platinum and 18kt white gold with diamonds. Width 1 3/8;; total weight 7.5 grams Condition: Two tight fissures in onyx at 12 and 6, perhaps intentionalSee Sold Price
Sold2024Antique French Platinum Gold Turquoise Diamond Brooch PinMETAL: Platinum/18k Gold. GEMSTONES: Diamonds approx. 1.20ctw. Turquoise - 10mm x 8.5mm. MEASUREMENTS: Brooch is 37mm x 25mm. MARKED: French Eagle's head Hallmark. Tested - Plat. WEIGHT: 10.7 gramSee Sold Price
Sold2018Tiffany & Co Schlumberger Gold Platinum DiamondMETAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 1.25ctw, ruby. MEASUREMENTS: brooch is 40mm in diameter x 47mm at widest point. MARKED: Tiffany Schlumberger 18K P. WEIGHT: 18.3 grams.GemstonesSee Sold Price
Sold2018Henry Dunay 18K Gold Platinum Diamond Pearl BroochMETAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 2.70ctw, multi color pearls 10.5-12mm. MEASUREMENTS: brooch is 53mm long xm at widest point. MARKED: Dunay 18K. WEIGHT: 42.5 grams.Gemstones haveSee Sold Price
Sold2024Art Deco Platinum Gold Diamond Brooch Pendant NecklaceMETAL: 14k Gold/ Platinum. MEASUREMENTS: Necklace with the pendant attached is 19" long, pendant detaches and converts into a brooch - 46mm x 15mm. GEMSTONES; Diamonds approx. 3.00ctw. MARKED: IrSee Sold Price
Sold202418k Gold Platinum Diamond Bird Brooch PinMETAL: 18k Gold/Platinum. GEMSTONES: Diamonds approx. 0.54ctw. Synthetic sapphire and ruby. MEASUREMENTS: Brooch is 34mm x 30mm. TESTED: Plat. 18k. WEIGHT: 9.4 grams.Gemstones have not been graded forSee Sold Price
Sold2022Antique Gold Platinum Pearl Diamond Ruby Emerald Butterfly BroochMetal : 18k Gold/ Platinum Designer : None Gemstone : Diamonds , Pearls, Emeralds, Rubies Measurements : Brooch is 42mm x 28mm Marked: : Tested 18k/ Plat Weight: 7.9 gramsSee Sold Price
Sold2022Midcnetury Platinum Diamond Open Circle BroochMetal : Platinum/ Gold stem Designer : Not Signed Gemstone : Diamonds approx. 2.00ctw Measurements : Brooch is 30mm in diameter Marked: : Tested plat/Gold Weight: 5.6 gramsSee Sold Price
May 16Bidhaus1970's Platinum & 18K Yellow Gold Diamonds Rubies Emeralds And Sapphires Heraldic Brooch$10
May 17BidhausDavid Webb Platinum & 18K Yellow Gold Multicolor Cabochon Gemstone And Diamond Maltese Brooch$10
3 days LeftBidhausDavid Webb Dolphin Platinum & 18K Yellow Gold With Diamonds Gemstones And Blue Enamel Brooch$10
Featured3 days LeftHess Fine AuctionsVan Cleef & Arpels 18k Gold Large Platinum 18k Gold Fine Diamond Signed & Numbered Love Knot Brooch$325(2 bids)
2 days LeftBidhaus14K White Gold & Platinum Emerald Art Deco Pin .60ct 6.2gr with Original Box$10(1 bid)
1 day LeftMynt Auctions14K White Gold & Platinum Emerald Art Deco Pin .60ct 6.2gr with Original Box$2,200
May 18Most Elite Collections LLCRadiant Cut 1.54 ct Center VVS1 Clarity, Fancy Pink Diamond Platinum Halo Ring$125(3 bids)
May 18Most Elite Collections LLCRadiant Cut 8.46 ct Center VS1 Clarity, Fancy Yellow Diamond Platinum Halo Ring $1(1 bid)
May 18Most Elite Collections LLCCushion Cut 7.01 ct Center VS2 Clarity, Fancy Intense Yellow Diamond Platinum Three Stone Ring $1(1 bid)