CERTIFICATED NATURAL PRECIOUS TOPAZ AND DIAMOND BROOCHEstimate: £2,000 - £4,000Starting Bid£1,000London, UKEtrusca Auctions4.1(30)
Buy NowArt Nouveau Cameo Brooch Pin, 18Kt Yellow Gold, Blue Topaz, Spinel And Pearl Fine Jewelry Fashion$3,800Manhattan, NYAllure Auctioneers4.4(26)
Antique Art Deco Sterling Topaz & Enamel BroochEstimate: $100 - $150Starting Bid$10Katonah, NYGemini Auction Company4.5(52)
14K Yellow Gold 9.25ct Amethyst, 19.5ct Topaz and 1.5ct Diamond Convertible BroochEstimate: $7,000 - $8,150Starting Bid$5,600Broomall, PAEastern European Art Gallery Inc4.3(4)
Ends in 6d 8hAntique Late Georgian Pink Paste Topaz Locket Back Double Brooch in 15ct Yellow GoldEstimate: £550 - £700Starting Bid£260 Gloucestershire Banks Jewellery Auctions4.4(16)
14K White Gold Heart Brooch with Aquamarine HeartsEstimate: $2,000 - $3,000Starting Bid$1,500Leeds, ALBryant Estate Sales4.4(17)
Iradj Moini floral brooch with large carved white coral flower, stylized leaves with turquoiseEstimate: $400 - $800Starting Bid$100Indianapolis, INRipley Auctions4.4(212)
STERLING SILVER GEMSTONE LADIES JEWELRYEstimate: $100 - $10,000Starting Bid$10Tallahassee, FLFlorida Estate Sales Inc.4.3(493)
French Art Deco 18K Rose Gold Car Brooch with Diamond Ruby TopazEstimate: $15,170 - $17,446Starting Bid$100New York, NYDiamond Depot4.3(16)
H. Stern 18K Gold Calla Lily Brooch with Blue Topaz Garnet Iolite DiamondsEstimate: $9,620 - $12,506Current Bid - 1 bid$100New York, NYMynt Auctions4.5(940)
Vintage 1960's Intricate Victorian Revival Chatelaine Tassell/Dangle Brooch, Olivine Green, TopazEstimate: $5 - $1,000Starting Bid$1Greenville, OHTyler Greer Auctioneer4.3(12)
Russian enamel gold pendant and brooch set with garnet topaz amethystEstimate: $15,170 - $17,446Starting Bid$100New York, NYDiamond Depot4.3(16)
18k Art Nouveau Enamel BroochEstimate: $400 - $800Current Bid - 1 bid$200St. Paul, MNRevere Auctions4.6(287)
H. Stern, 'Rainbow Collection', Multigem and Yellow Gold Pendant BroochEstimate: $600 - $800Current Bid - 1 bid$300San Diego, Philadelphia, New York, Chicago, ILFreeman's4.5(1.7k)
Pair of Russian enamel brooch pendants with topaz tourmaline pearl amethystEstimate: $12,020 - $17,669Starting Bid$100New York, NYDiamond Depot4.3(16)
VICTORIAN 14K GOLD & SILVER MADEIRA CITRINE TOPAZ & ROSE CUT DIAMOND PIN BROOCHEstimate: $2,125 - $2,375Starting Bid$1,750Valley Village, CAModern Jewelry4.5(223)
Buy Now18K Yellow Gold Brooch with Diamond Amethyst Garnet Topaz Tourmaline$3,080New York, NYBidhaus4.2(886)
Geoffrey Beene for Kramer mythical griffin with enamel, topaz rhinestones, and faux coral glassEstimate: $300 - $500Starting Bid$100Indianapolis, INRipley Auctions4.4(212)
TASAKI BLUE TOPAZ BROOCHEstimate: $1,420 - $1,965Starting Bid$100Beverly Hills, CANY Elizabeth 4.3(130)
Mignon Faget 14kt. Yellow Gold and Blue Topaz Fleur de Lis PinEstimate: $1,000 - $1,500Starting Bid$500New Orleans, LANeal Auction Company4.6(370)
PONTE VECCHIO WHITE TOPAZ BROOCHEstimate: $945 - $1,310Starting Bid$100Beverly Hills, CANY Elizabeth 4.3(130)
TASAKI BLUE TOPAZ BROOCHEstimate: $1,420 - $1,965Starting Bid$100Beverly Hills, CANY Elizabeth 4.3(130)
H. Stern 18K Gold Calla Lily Brooch with Blue Topaz Garnet Iolite DiamondsEstimate: $15,614 - $17,956Starting Bid$7,400New York, NYDiamond Depot4.3(16)
14K Yellow Gold & Gemstone Bar PinEstimate: $400 - $600Starting Bid$300Pittsfield, MAFontaine's Auction Gallery4.6(374)