Platinum, Opal, and Diamond Brooch, set with a cabochon opal measuring approx. 20.40 x 15.60 x 6.60 mm, within an Art Deco platinum and diamond mount, lg. 2 3/8 in.
Auctioneer:
Skinner
Date:
2013-12-10
Art Deco Platinum, Opal, and Diamond Brooch, centering a cabochon opal, and four cabochon opal highlights, set throughout with old European and old single-cut diamonds, Read more…
Auctioneer:
Skinner
Date:
2008-12-09
Platinum, Opal, and Diamond Brooch, bezel-set with a cabochon opal measuring approx. 13.50 x 11.40 x 4.95 mm, framed by old mine- and old European-cut Read more…
Auctioneer:
Skinner
Date:
2012-12-04
Art Deco Platinum, Opal and Diamond Brooch, bezel-set with three opal cabochons, further set with old European and old mine-cut diamond melee, approx. total wt. Read more…
Auctioneer:
Skinner
Date:
2006-03-14
Edwardian Star Sapphire, Opal, and Diamond Brooch, centering a high-domed cabochon sapphire measuring approx. 15.60 x 16.00 x 14.40 mm, framed by buff-top opals and Read more…
Auctioneer:
Skinner
Date:
2009-03-17
18kt Gold, Platinum, Opal, and Diamond Pendant/Brooch, bezel-set with an opal, with full-cut diamond accents, lg. 1 7/8 in. Read more…
Auctioneer:
Skinner
Date:
2013-12-10
Edwardian Platinum, Opal, and Diamond Snake Pendant/Brooch, designed as a heart-shaped opal entwined by two old mine and old European-cut diamond serpents, (with removable 14kt Read more…
Auctioneer:
Skinner
Date:
2005-09-20
Art Deco Platinum, Black Opal and Diamond Brooch, centering a circular black opal measuring approx. 14.05 mm, rose-cut diamond-set mount, millegrain accents. Read more…
Auctioneer:
Skinner
Date:
2003-12-09
Art Deco Platinum, Black Opal, and Diamond Brooch, bezel-set with an oval cabochon measuring approx. 13.50 x 19.50 x 4.10 mm, in a foliate mount Read more…
Auctioneer:
Skinner
Date:
2010-06-15
Edwardian Opal and Diamond Brooch, Austria-Hungary, bezel-set with a white opal measuring approx. 18.10 x 14.75 x 7.31 mm, in an elaborate scrolling mount bead Read more…
Auctioneer:
Skinner
Date:
2007-06-12
Edwardian Black Opal and Diamond Brooch, Allsopp & Allsopp, bezel-set with a navette-form cabochon opal measuring approx. 22.00 x 17.50 mm, framed by old mine-cut Read more…
Auctioneer:
Skinner
Date:
2014-12-09
