Platinum and Opal Brooches

Price guide to antique and vintage platinum and opal brooches. Opal was rare and very valuable in antiquity. In Europe it was a gem prized by royalty. Until the opening of vast deposits in Australia in the 19th century the only known source was Červenica beyond the Roman frontier in Slovakia. Reference: Wikipedia

Vintage Petri 14k Gold and Platinum Diamond Opal Flower Brooch Pin

$1,795.00
End Date: Monday Apr-8-2019 19:24:58 PDT
Buy It Now for only: $1,795.00
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McTeigue Platinum 18k Fish 18.64ctw Opal Diamond Emerald Pin Brooch $19,750

$11,400.00
End Date: Tuesday Apr-2-2019 14:18:24 PDT
Buy It Now for only: $11,400.00
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Antique Brooch Art Nouveau Diamond Opal Ruby Platinum Gold French (5147)

$7,250.00
End Date: Saturday Apr-20-2019 10:04:35 PDT
Buy It Now for only: $7,250.00
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Vintage 2.50ct Diamond & Black Opal Platinum & 18K Yellow Gold Hand Made Brooch

$6,600.00
End Date: Tuesday Apr-9-2019 14:56:28 PDT
Buy It Now for only: $6,600.00
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Magnificent Black Australian Opal Stingray Platinum Brooch Pin

$7,775.99
End Date: Sunday Mar-31-2019 17:21:09 PDT
Buy It Now for only: $7,775.99
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Vintage 10.0ct Diamond & 40.0ct Natural Opal Platinum & 18K Yellow Gold Brooch

$28,000.00
End Date: Friday Mar-29-2019 15:02:50 PDT
Buy It Now for only: $28,000.00
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Platinum 26.07tcw Boulder Opal Diamond Ruby Sapphire Star Pendant Brooch 21.5g

$3,880.00
End Date: Sunday Apr-14-2019 12:27:13 PDT
Buy It Now for only: $3,880.00
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Brooch Antique Edwardian Platinum & 15ct Opal Bar Brooch Cased

$251.18
End Date: Sunday Apr-7-2019 10:18:14 PDT
Buy It Now for only: $251.18
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Phenomenal Opal Brooch, Platinum Ruby Diamonds Demantoid, Um 1910/Brilliant

$5,579.63
End Date: Sunday Apr-14-2019 7:06:50 PDT
Buy It Now for only: $5,579.63
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Art deco natural opal platinum diamond brooch 2.9g

$2,445.70
End Date: Wednesday Apr-24-2019 14:59:37 PDT
Buy It Now for only: $2,445.70
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Huge Heavy Platinum 30ct Boulder Gem Opal .39ct Diamond Brooch Pendant 25.8g

$3,680.00
End Date: Tuesday Apr-23-2019 21:18:55 PDT
Buy It Now for only: $3,680.00
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Magnificent Black Australian Boulder Opal Designer Brooch Pin 18k

$3,699.99
End Date: Friday Apr-19-2019 2:33:46 PDT
Buy It Now for only: $3,699.99
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18K Yellow Gold and Platinum Diamond and Opal Feather Brooch

$2,650.00
End Date: Thursday Apr-18-2019 14:37:51 PDT
Buy It Now for only: $2,650.00
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18K Yellow Gold and Platinum Diamond and Blue Green Opal Oval Pendant Brooch

$3,000.00
End Date: Friday Apr-12-2019 11:01:29 PDT
Buy It Now for only: $3,000.00
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PLATINUM ART DECO DIAMOND,ONYX CIRCLE BROOCH

$2,500.00
End Date: Monday Apr-15-2019 8:02:01 PDT
Buy It Now for only: $2,500.00
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18K Yellow Gold and Platinum Diamond and Opal Oval Pendant/Brooch

$2,200.00
End Date: Sunday Apr-14-2019 11:27:45 PDT
Buy It Now for only: $2,200.00
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Antique Charleston & Co Diamond Opal & Demantoid Garnet Butterfly Brooch

$7,000.00
End Date: Sunday Apr-21-2019 13:41:43 PDT
Buy It Now for only: $7,000.00
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Art Deco 1.08ct Opal and 1.38cts Diamond Platinum Brooch

$2,974.50
End Date: Tuesday Apr-2-2019 4:38:15 PDT
Buy It Now for only: $2,974.50
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Art Deco 1.08ct Opal and 1.38cts Diamond Platinum Brooch

$3,127.72
End Date: Tuesday Apr-2-2019 5:09:40 PDT
Buy It Now for only: $3,127.72
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Boulder Opal Diamond Pendant Brooch Platinum 900,Yellow Gold (18K) Bracelet Cara

$557.00
End Date: Wednesday Apr-24-2019 2:14:25 PDT
Buy It Now for only: $557.00
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