FEATURED2 days LeftRUSSIAN 14K GOLD SILVER DIAMONDS OPALS CLEVER BROOCHEst. $3,500-$5,250$250(6 bids)Brooklyn, NYAntique Arena Inc.4.5(1.1k)
FEATURED6 days LeftSchlumberger for Tiffany & Co.: An 18K Bi-Color Gold and Diamond Brooch Of a branch designEst. $12,000-$18,000$7,000Monrovia, CAJohn Moran Auctioneers, Inc.4.7(521)
FEATUREDEnds in 2d 10hHause of Brilliance 18K White Gold 1 5/6 Cttw Diamond Cluster Floral Filigree Brooch Pin and 18" PenEst. $4,000-$9,650$2,000New York, NYChairish Auction House4.1(13)
FEATUREDEnds in 10h 24m8kt Gold Brooch w/1pt Diamond & Pearls 1.6 gramsEst. —$40(6 bids)Cannon Falls, MNA New Day Auctions LLC4.7(361)
3 days LeftESTATE M. MILLMAN PLATINUM & 4.25CTTW DIAMOND BOW BROOCH / PINEst. $3,000-$6,000$1,500(1 bid)Austin, TXAustin Auction Gallery4.7(1.3k)
4 days LeftTiffany & Co. Diamond, Platinum Brooch Stones: Est. $10,000-$15,000$6,000(2 bids)Dallas, TXHeritage Auctions4.2(606)
3 days LeftFINE ESTATE ART DECO PLATINUM & 7.25CTTW DIAMOND-SET BROOCHEst. $4,000-$8,000$3,000(1 bid)Austin, TXAustin Auction Gallery4.7(1.3k)
Oct 17, 2026FABERGE - ANTIQUE GOLD & DIAMOND BROOCH RARE FLORAL FINE JEWELRY ESTATE PIECEEst. $50,000-$60,000$18,000Blaine, WAV.N. Collectible4.5(320)
4 days LeftVerdura Diamond, Platinum, Gold Pendant-Brooch Est. $20,000-$30,000$10,000(1 bid)Dallas, TXHeritage Auctions4.2(606)
4 days LeftTiffany & Co. Diamond, Platinum Brooch Stones: Est. $2,000-$3,000$1,000(1 bid)Dallas, TXHeritage Auctions4.2(606)
Oct 3, 202618K Gold South Sea Pearl, Diamond, & Ruby BroochEst. $20,000-$30,000$10,000Lake Worth Beach, FLJoshua Kodner4.1(433)
1 day LeftBoucheron 18-Karat Yellow-Gold and Diamond Brooch, Gross weight: 8.8 dwt., Length: 1-1/4 in (3.1 cm)Est. $1,500-$2,500$750Rockville, MDWeschler's4.3(5)
FEATURED6 days LeftHarry Winston: An 18K Gold, Emerald, Ruby and Diamond Brooch Of a Mughal style design centering anEst. $85,000-$105,000$42,500Monrovia, CAJohn Moran Auctioneers, Inc.4.7(521)
Oct 3, 2026Art Deco Platinum 10.50 Ct. Diamond BroochEst. $10,000-$15,000$6,000Lake Worth Beach, FLJoshua Kodner4.1(433)
3 days LeftFINE ESTATE PLATINUM & 8.00CTTW DIAMOND DRESS CLIP / BROOCHEst. $5,000-$10,000$3,000Austin, TXAustin Auction Gallery4.7(1.3k)
4 days LeftTiffany & Co. Diamond, Gold Brooch Stones: FullEst. $2,000-$3,000$1,000Dallas, TXHeritage Auctions4.2(606)
1 day LeftAldebert 18-Karat Yellow-Gold and Diamond Clip-Brooch, Gross weight: 29.5 dwt., Length: 2 in (5.1Est. $2,500-$3,500$1,200Rockville, MDWeschler's4.3(5)
Oct 17, 2026IMPERIAL RUSSIAN GOLD & DIAMOND MONOGRAM BROOCH OF GRAND DUKE SERGEI MIKHAILOVICH ROMANOVEst. $18,000-$20,000$8,500Blaine, WAV.N. Collectible4.5(320)
4 days LeftDiamond, Platinum Convertible Double Clip-BroochEst. $8,000-$10,000$4,000(1 bid)Dallas, TXHeritage Auctions4.2(606)
4 days LeftTiffany & Co. Diamond, Gold Brooch, circa 1960 Est. $3,000-$4,000$1,500Dallas, TXHeritage Auctions4.2(606)
5 days LeftGold, Pink Tourmaline and Diamond Clip-BroochEst. $4,000-$6,000$2,000New York, NYDOYLE Auctioneers & Appraisers4.6(242)
4 days LeftDiamond, Platinum Brooch, French Stones: Full aEst. $8,000-$10,000$4,000Dallas, TXHeritage Auctions4.2(606)
4 days LeftAntique Diamond, Emerald, Gold, Silver Brooch SEst. $7,000-$9,000$3,400Dallas, TXHeritage Auctions4.2(606)
Oct 1, 2026Carrera y Carrera 18k White Gold Ginko Diamond BroochEst. $750-$1,500$375(1 bid)Renton, WAMBA Seattle Auction House4.6(523)
4 days LeftDiamond, Platinum Brooch Stones: European-cut dEst. $8,000-$10,000$4,000Dallas, TXHeritage Auctions4.2(606)
2 days LeftOscar Heyman Platinum Ruby Diamond Brooch Necklace 1950 AGL CertifiedEst. $212,043-$275,655$100(1 bid)New York, NYMynt Auctions4.5(930)
6 days LeftA Natural Opal & 4.05 Ctw Diamond Brooch in 14KEst. $1,500-$2,500$750Towson, MDAlex Cooper4.5(542)
5 days LeftPlatinum and Diamond Bow BroochEst. $3,000-$5,000$1,500(1 bid)New York, NYDOYLE Auctioneers & Appraisers4.6(242)