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

Antique Edwardian era 14k yellow gold platinum filigree opal cabochon brooch pin

$165.00
End Date: Friday Sep-7-2018 14:44:43 PDT
Buy It Now for only: $165.00
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McTeigue Platinum 18k Fish 18.64ctw Opal Diamond Emerald Pin Brooch $19,750

$11,996.00
End Date: Friday Sep-7-2018 10:52:30 PDT
Buy It Now for only: $11,996.00
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Vintage Petri 14k Gold and Platinum Diamond Opal Flower Brooch Pin

$1,795.00
End Date: Monday Sep-10-2018 19:24:58 PDT
Buy It Now for only: $1,795.00
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Magnificent Black Australian Opal Stingray Platinum Brooch Pin

$10,799.99
End Date: Friday Aug-31-2018 23:21:56 PDT
Buy It Now for only: $10,799.99
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Antique Brooch Art Nouveau Diamond Opal Ruby Platinum Gold French (5147)

$7,250.00
End Date: Sunday Sep-2-2018 15:30:40 PDT
Buy It Now for only: $7,250.00
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Phenomenal Opal Brooch, Platinum Ruby Diamonds Demantoid, Um 1910/Brilliant

$5,547.29
End Date: Sunday Sep-16-2018 7:06:50 PDT
Buy It Now for only: $5,547.29
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Vintage 2.50ct Diamond & Black Opal Platinum & 18K Yellow Gold Hand Made Brooch

$6,600.00
End Date: Tuesday Sep-11-2018 14:56:28 PDT
Buy It Now for only: $6,600.00
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Art deco natural opal platinum diamond brooch 2.9g

$2,356.81
End Date: Friday Aug-31-2018 14:44:03 PDT
Buy It Now for only: $2,356.81
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Stunning Art Deco Platinum & Black Opal Bar Brooch

$1,242.10
End Date: Thursday Aug-30-2018 13:06:32 PDT
Buy It Now for only: $1,242.10
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Brooch Antique Edwardian Platinum & 15ct Opal Bar Brooch Cased

$242.05
End Date: Tuesday Sep-11-2018 7:47:10 PDT
Buy It Now for only: $242.05
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18K Yellow Gold and Platinum Diamond and Opal Oval Pendant/Brooch

$2,200.00
End Date: Sunday Sep-16-2018 11:27:45 PDT
Buy It Now for only: $2,200.00
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18K Yellow Gold and Platinum Diamond and Blue Green Opal Oval Pendant Brooch

$3,000.00
End Date: Friday Sep-14-2018 11:01:29 PDT
Buy It Now for only: $3,000.00
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Antique Charleston & Co Diamond Opal & Demantoid Garnet Butterfly Brooch

$7,000.00
End Date: Friday Aug-24-2018 13:41:43 PDT
Buy It Now for only: $7,000.00
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ART DECO 1.08CT OPAL & 1.38CT DIAMOND PLATINUM BROOCH CIRCA 1925

$2,866.39
End Date: Thursday Sep-13-2018 3:06:37 PDT
Buy It Now for only: $2,866.39
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ART DECO 1.08CT OPAL & 1.38CT DIAMOND PLATINUM BROOCH CIRCA 1925

$3,015.74
End Date: Thursday Sep-13-2018 3:55:54 PDT
Buy It Now for only: $3,015.74
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Art Nouveau 15ct Gold Opal Bar Brooch Pin Gold & Platinum Australian Opal

$379.64
End Date: Monday Aug-20-2018 13:50:21 PDT
Buy It Now for only: $379.64
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Genuine Large Jumbo 29.16 Carat Opal 0.39Ct Diamonds Pt900 Pin Brooch

$1,599.00
End Date: Monday Sep-3-2018 23:35:43 PDT
Buy It Now for only: $1,599.00
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Authentic Platinum Boulder Opal Brooch #260-002-488-4488

$944.54
End Date: Wednesday Aug-29-2018 23:23:28 PDT
Buy It Now for only: $944.54
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