Joanna Geary

Joanna Geary

www.joannageary.com
London, UK / Work profile of @Guardian's Digital Development Editor. News innovation, social, tech, etc. I run @HacksHackersLDN (#HHLdn). Personal stuff at @joannageary
Joanna Geary
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Art Nouveau opal, sapphire, garnet, and enamel brooch by Louis Comfort Tiffany for Tiffany & Co., circa 1910. Via Diamonds in the Library.

Tiffany, Circa 1910 Centering on a black opal within a textured surround of fruiting vine leaves decorated with blue & green enamel, accented with circular-cut sapphires & green garnets, signed Tiffany & Co.

OPAL AND DIAMOND BROOCH, CIRCA 1880

An antique sapphire and diamond brooch, late century. Designed as a sunburst mounted en tremblant, set with a cushion-shaped sapphire weighing carats and cushion-shaped, circular-cut and rose diamonds, brooch fitting detachable.

An absolutely magnificent black opal and diamond cluster ring mounted in platinum. Art Deco ring circa 1925 set to centre with an opal weighing approximately 13.00 carats, in a six double claw setting. Set to either shoulder with a close set baguette cut diamond, remainder of diamond border is made up of twenty-six ‘eight cut’ stones in grain settings. The play of colour in this opal is outstanding. Berganza.

An absolutely magnificent black opal and diamond cluster ring mounted in platinum. Art Deco ring circa 1925 set to centre with an opal weighing approximately carats, in a six double claw.

Art Deco Platinum, Black Opal, and Diamond Ring, set with an oval cabochon black opal measuring approx. 13.20 x 10.70 x 3.40 mm, framed by single-cut diamond melee, millegrain and engraved accents, size 5 1/2, maker's mark.

Art Deco Platinum, Black Opal, and Diamond Ring, set with an oval cabochon black opal framed by single-cut diamond melee, millegrain and engraved accents

Art Nouveau Important Opal Diamond & Sapphire Gold Pendant . ca 1910

An absolutely fantastic diamond, opal, and sapphire pendant from the Art Nouveau era! The teardrop shaped pendant, which is particularly large in size, is made of yellow gold topped in sterling silver and is of French decent.