Boulder Opal, Diamond, Gold Pendant-Necklace StEstimate: $10,000 - $12,000Starting Bid$7,000Dallas, TXHeritage Auctions4.2(615)
Opal, Diamond, Gold Pendant Stones: Opal cabochEstimate: $1,600 - $2,400Starting Bid$1,000Dallas, TXHeritage Auctions4.2(615)
Opal, Diamond, Gold Pendant-Necklace Stones: OpEstimate: $7,000 - $9,000Starting Bid$3,400Dallas, TXHeritage Auctions4.2(615)
Ammolite, Diamond, Fire Opal, Gold Pendant StonEstimate: $1,600 - $2,400Starting Bid$1,000Dallas, TXHeritage Auctions4.2(615)
14K Vintage Mexican Fire Opal Ring & PendantEstimate: $900 - $1,200Starting Bid$500Scotts Valley, CAClark's Auction Company4.6(529)
Opal & Diamond Pendant 14k NecklaceEstimate: $3,000 - $4,000Current Bid - 1 bid$500Dallas, TXJ. GARRETT4.7(294)
Opal, Diamond, Gold Pendant-Necklace Stones: OpEstimate: $5,000 - $7,000Starting Bid$2,400Dallas, TXHeritage Auctions4.2(615)
Super Opal, Diamond, Gold Pendant Stones: Opal Estimate: $1,600 - $2,400Starting Bid$1,000Dallas, TXHeritage Auctions4.2(615)
Calvin Begay Navajo Turquoise Spiny Oyster & Synthetic Opal Inlay Pendant with ChainEstimate: $200 - $400Starting Bid$25Gallup, NMBilly The Kid Auction House4.8(898)
Unusual Navajo Sterling Silver Opal PendantEstimate: $200 - $400Current Bid - 2 bids$105Scotts Valley, CAClark's Auction Company4.6(529)
Opal, Diamond, Rose Gold Pendant-Necklace StoneEstimate: $4,000 - $6,000Starting Bid$2,400Dallas, TXHeritage Auctions4.2(615)
BLACK OPAL AND DIAMOND PENDANTEstimate: £6,000 - £12,000Starting Bid£3,000London, UKEtrusca Auctions4.1(30)
14K Gold Opal & Diamond Flower Necklace PendantEstimate: $250 - $500Current Bid - 4 bids$150Rock Hall, MDBayside Auctions4.5(146)
9k Yellow Gold, Pink Sapphire, and Opal Heart-Shaped Pendant on a 14k White Gold Chain L 20" 18.1Estimate: $800 - $1,200Current Bid - 1 bid$600Detroit, MIDuMouchelles4.6(875)
18 kt gold opal-pendantEstimate: €3,900 - €11,500Starting Bid€3,900Mutterstadt, RPHenry's Auktionshaus AG4.3(212)
Cabochon Opal and 14K Yellow Gold Ladies Ring and Matching Pendant Ring Size 7.5 17 grams 2 PCSEstimate: $400 - $800Current Bid - 1 bid$300Detroit, MIDuMouchelles4.6(875)
14K WHITE GOLD LADIES PENDANT W/ GIANT PINK OPALEstimate: $600 - $10,000Current Bid - 1 bid$140Tallahassee, FLFlorida Estate Sales Inc.4.3(493)
FINE OPAL AND DIAMOND HEART PENDANTEstimate: £800 - £1,600Starting Bid£400London, UKEtrusca Auctions4.1(30)
14K YELLOW GOLD BLUE OPAL LADIES PENDANTEstimate: $100 - $10,000Current Bid - 1 bid$14Tallahassee, FLFlorida Estate Sales Inc.4.3(493)
An antique opal doublet pendant, retailed by Carlo & Arthur Giuliano,Estimate: £1,000 - £1,500Starting Bid£600Stansted Mountfitchet, EssexSworders Fine Art Auctioneers4.3(44)
Raymond Bennett Navajo Boulder Opal & Gaspeite Two Stone PendantEstimate: $300 - $500Current Bid - 1 bid$25Gallup, NMBilly The Kid Auction House4.8(898)
STERLING SILVER BLUE & WHITE OPAL LADIES PENDANTEstimate: $100 - $10,000Current Bid - 1 bid$10Tallahassee, FLFlorida Estate Sales Inc.4.3(493)