Platinum Archives - Antique Brooches https://antique-brooches.com/price-guide/platinum/ Information and Price Guide to Antique and Vintage Brooches Tue, 30 Jun 2020 11:27:34 +0000 en-US hourly 1 https://wordpress.org/?v=6.5.3 214466006 Platinum and Opal Brooches https://antique-brooches.com/platinum-opal-brooches/ Fri, 11 May 2018 12:17:32 +0000 http://www.antique-brooches.com/?p=604 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…

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]]> 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 A black opal, diamond, demantoid garnet and platinum brooch A BLACK OPAL, MULTI-GEM AND DIAMOND 'KINGFISHER WITH FISH' BROOCH, BY CARTIER Antique Gold, Platinum, Boulder Opal, Ruby and Diamond Butterfly Brooch A Belle Epoque gold and platinum gem-set brooch Platinum, diamond, ruby, coral, opal and mother of pearl brooch Platinum-Topped Gold, Opal and Diamond Pendant-Brooch

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]]> 604 Platinum Diamond Brooches https://antique-brooches.com/platinum-diamond-brooches/ Fri, 11 May 2018 11:29:15 +0000 http://www.antique-brooches.com/?p=596 Price guide to antique and vintage platinum and diamond brooches.Archaeologists have discovered traces of platinum in the gold used in ancient Egyptian burials as early as 1200 BC. However, the…

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]]> Price guide to antique and vintage platinum and diamond brooches.Archaeologists have discovered traces of platinum in the gold used in ancient Egyptian burials as early as 1200 BC. However, the extent of early Egyptians’ knowledge of the metal is unclear. It is quite possible they did not recognize there was platinum in their gold.

The metal was used by pre-Columbian Americans near modern-day Esmeraldas, Ecuador to produce artifacts of a white gold-platinum alloy. They employed a relatively sophisticated system of powder metallurgy. The platinum used in such objects was not the pure element, but rather a naturally occurring mixture of the platinum group metals, with small amounts of palladium, rhodium, and iridium. Reference: Wikipedia

Below are some examples of platinum and diamond brooches including a diamond brooch circa 1910 and a diamond brooch designed as a stylized scroll.

A diamond brooch, circa 1910 The openwork oval plaque millegrain-set throughout with old brilliant, single and rose-cut diamonds, mounted in platinum DIAMOND AND PLATINUM BROOCH Platinum and Diamond Brooch, France Platinum approx 11.00 carat Diamond Brooch. A Diamond Cluster Platinum Brooch Diamond Brooch Of geometric design

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