GIA Certified Natural Diamond Vintage Deco Pin Brooch Platinum 12418**Chairish Auctions4.5(10.3k)$5,500
2.49 CARAT OLD EUROPEAN CUT I SI1 DIAMOND PLATINUM PIN BROOCHModern Jewelry4.5(203)$4,100Mar 03, 2026
SoldPlatinum Diamond Brooch, oval shape measuringPlatinum Diamond Brooch, oval shape measuring approximately 2 x 1 ¼ inches; pave set with 158 round full and single cut diamonds, approximate total carat weight is 5.75 by formula;the diamonds averagSee Sold Price
SoldA White Gold, Opal and Diamond Pendant/Brooch,A White Gold, Opal and Diamond Pendant/Brooch, containing one oval shape cabochon cut opal measuring approximately 25.20 x 16.70 mm and 29 round brilliant cut diamonds weighing approximately 2.85 caraSee Sold Price
SoldPERIOD EDWARDIAN PLATINUM AND DIAMOND BROOCHAntique handmade, ribbon form brooch set with Old Mine cut and Old European cut round brilliant diamonds. Bezel set in the center is one elongated pear shape diamond, measuring .66ct. Clarity SI1, ColSee Sold Price
SoldA sapphire and diamond pear-shaped broochA platinum-topped gold and diamond pear-shaped brooch centering an oval sapphire drop measuring 14.2 x 9.9 x 8.36 mm weighing approximately 9.40 cts., accompanied by AGL report dated March 14, 2016 stSee Sold Price
Sold* A Platinum, 14 Karat Yellow Gold, Amethyst and* A Platinum, 14 Karat Yellow Gold, Amethyst and Diamond Ring, containing one oval shape cabochon cut amethyst measuring approximately 14.90 x 11.20 mm, 20 pear shape diamonds weighing approximately 1See Sold Price
A grade A Fei Cui jadeite, diamond, and platinum broochA grade A Fei Cui jadeite, diamond, and platinum broochCentering an oval-shaped jade cabochon measuring approximately 14.50 x 11.10 x 4.74 mm, framed by ornate, abstract milgrain set with 36 round briSee Sold Price
SoldA PAIR OF PLATINUM, AMETHYST, AND DIAMOND EARCLIPSA PAIR OF PLATINUM, AMETHYST, AND DIAMOND EARCLIPS Each set with an oval-cut amethyst measuring approximately 9.00 x 7.10 x 4.00 mm, suspending a pear-shape amethyst measuring approximately 25.00 x 9.See Sold Price
SoldEd Wiener Opal Diamond 18k Yellow Gold Large Textured BroochThis is a large designer signed Ed Wiener brooch, it is crafted from 18k yellow gold featuring a large textured finish open design with a beautiful large oval shape double opal mounted in the center oSee Sold Price
SoldKimmel 14K Gold Art Deco Cameo w/ Diamonds c.1920A Kimmel Art Deco filigree style 14K gold high relief shell cameo with five small diamonds measuring approx. 2" tall by 1.5" wide in an oval shape. Mark reads "14K Kimmel" on brooch and "14K" on pinbaSee Sold Price
SoldA Platinum, Emerald, and Diamond NecklaceA Platinum, Emerald, and Diamond Necklace An Art Deco-inspired platinum necklace, featuring one oval cabochon emerald measuring approximately 12.17mm x 9.11mm and two rows of twenty- eight pear-shapeSee Sold Price
SoldEstate Platinum 900 Natural Black Opal & Diamond Pendant with Cosmo Gem Report900 Platinum teardrop-shape pendant having a 2.70ct oval cabochon natural black opal and .11cts of natural round brilliant diamond accents. Weighing 4.5 grams and measuring approximately 14 x 26 mm.&nSee Sold Price
SoldExquisite Platinum and Diamond BroochExquisite Platinum and Diamond Brooch Measuring 35 mm x 39 mm diamonds weighing approximately 2.6 carats gross weight 17.1 grams catalogue note: A timeless masterpiece of elegance and craftsmanship, tSee Sold Price
Sold18kt 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
SoldA late 19th century gold, garnet and diamond brooch.A late 19th century gold, garnet and diamond brooch. The oval-shape cabochon garnet with inlaid flower or star design, set with a central diamond and accent diamonds to the points, with a zigzag patteSee Sold Price
SoldA sapphire and diamond brooch. The graduated oval-shapeA sapphire and diamond brooch. The graduated oval-shape sapphire crescent, with single-cut diamond spacers. Estimated total diamond weight 0.40ct. Length 6.1cms. Weight 7.5gms. Overall condition good.See Sold Price
SoldDeco Style Platinum and Diamond Oval BroochDeco style platinum and diamond oval brooch, pierced platinum hoop set with (4) 3mm diamonds, (24) 1mm diamonds and diamond chip surround, approx. .62 ctw, unmarked, testing platinum, 1-3/4"L, 1-1/4"WSee Sold Price
SoldPlatinum Diamond Cascade BroochPlatinum diamond cascade brooch. The crescent shape pin is fashioned with a raised cluster of full cut diamonds in 4 pronged mountings. The cluster is surrounded by leaf shaped mountings set with pairSee Sold Price
SoldRUBY AND DIAMOND PENDANT/BROOCHRUBY AND DIAMOND PENDANT/BROOCH Containing one oval shape mixed cut ruby, two pear shape mixed cut rubies and numerous old mine and single cut diamonds. Mounted in bicolor gold. 2 1/8 x 1 1/8 inches.See Sold Price
SoldA late Victorian 9ct gold and diamond memorial brooch.A late Victorian 9ct gold and diamond memorial brooch. The central oval-shape panel set with a circular diamond to the scalloped beaded surround and glazed woven hair panel to the reverse. Length 4.45See Sold Price
SoldAntique Oval Emerald, Gold, Diamond and Platinum BroochAntique Natural Oval Emerald, Gold, Diamond and Platinum Brooch. Oval cut emerald approximately 11.3 x 14.3 x 5.9 mm, apprx 5.7 carats. The emerald has natural inclusions and has characteristics of aSee Sold Price
SoldPlatinum 6.00-6.50ct Diamond BroochPlatinum diamond brooch, with twenty-eight Baguette shape, Nine Marquise shape, and Thirty-four round diamonds. The brooch as a total diamond weight of appr 6.00ct - 6.50cts. Measures 2" x 1.25&qSee Sold Price
SoldEstate Lot of Platinum Jade & Diamond Art Deco Brooch & RingEstate Lot of Platinum Jade & Diamond Art Deco Brooch & Ring. Oval Jadeite Flowered Brooch surrounded by platinum art deco motif with diamonds. The brooch measures W 2" x H 1". Art Deco Platinum JadeSee Sold Price
SoldA sapphire and diamond cluster ring.A sapphire and diamond cluster ring. The oval-shape sapphire, measuring 7.7 by 5.9 by 2.9mms, with rectangular-shape diamond sides and a brilliant-cut diamond border, to the tapered band. Estimated toSee Sold Price
Sold18K Yellow Gold Ruby and Diamond Pendant18K Yellow Gold Ruby and Diamond Pendant Featuring an oval shape ruby, measuring 16.80 x 13.10 mm Weighing 14.73 carats Indications of heat treatment and glass additives Embellished by a surround of rSee Sold Price
