Fine Jewellery
Ruby and diamond antique circular brooch
POA
Mid-Victorian circular shape ruby and diamond gold on silver brooch....
Boris Sosna
Boris Sosna
Antique Jewellery Dealer
Born in St Petersburg and with over 40 years experience, Boris specialises in fine quality gem-set gold pieces from the Georgian, Victorian, Edwardian, Art Deco/Nouveau and retro periods. He has a large stock of antique, period and vintage jewellery and loose gemstones.
He is a fellow of the Gemmological Association of Great Britain (FGA/DGA)
All items from this dealer
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Fine Jewellery
Diamond starburst antique brooch
£2,990.00
Starburst antique brooch. Total diamonds approx 5.0 ct. Set in 15 ct gold and silver...
Fine Jewellery
Opal and diamond Art Deco brooch
£2,195.00
Large opal and diamond Art Deco brooch in platinum. Opal 5.5 ct approx . Diamonds total 2ct approx...
Fine Jewellery
Sapphire and diamond Art Nouveau brooch
£1,550.00
Sapphire and diamond Art Nouveau brooch set in gold on silver. Sapphire total 3.5 ct approx and diamond total 3 ct approx...
Fine Jewellery
Sapphire and diamond Art Deco clip
£4,500.00
Sapphire and diamond Art Deco clip in 18 ct white gold and platinum. Total diamonds 8.5 ct est....
Fine Jewellery
Art Nouveau enamel and multi gem flower shape brooch
POA
Art Nouveau multi-tone enamel ruby, diamond and sapphire brooch in 15 ct gold...
Fine Jewellery
Jasper and aquamarine fish shaped gold brooch
£750.00
Multi-coloured jasper and aquamarine drops brooch formed as a fish swimming over aquamarine drops. Total aquamarine 10.0 ct approx. Set in 18 ct white gold...
Fine Jewellery
Art Deco platinum and onyx rhombic shaped brooch
£2,200.00
Art Deco platinum and onyx rhombic shaped brooch. Diamond 2.5 ct est....
Fine Jewellery
Art Deco platinum tablet diamond brooch Diamonds total 13 ct est.
POA
Art Deco platinum tablet diamond brooch. Diamonds total 13 ct est. 3 principal stones: 2.0 ct est. , 2 x 1.5 ct est. Additionally 8.0 ct est. of smaller diamonds....
Fine Jewellery
Antique multi-gem and pearl pendant brooch
POA
Diamond, ruby, sapphire and pearl Victorian floral brooch. Diamonds total 4.0 ct approx. ...
Fine Jewellery
Burma ruby and diamond target brooch
£4,200.00
Burma ruby with certificate (natural, no heat) and diamond target brooch. Ruby 1.25 ct est....
Fine Jewellery
Edwardian diamond sunburst brooch
£2,990.00
Edwardian diamond sunburst brooch....
Fine Jewellery
Antique diamond, ruby, sapphire and pearl naturalistic "bug on branch" brooch
POA
Victorian diamond, ruby, sapphire and pearl naturalistic "bug on branch" brooch....
Fine Jewellery
1920s demantoid garnet and diamond brooch of the paradise bird
POA
1920s demantoid garnet and diamond brooch of the paradise bird ...
Fine Jewellery
Art Nouveau 10 ct gold diamond, ruby, pearl and amethyst drop brooch
POA
Art Nouveau 10 ct gold diamond, ruby, pearl and amethyst drop brooch...
Fine Jewellery
Edwardian diamond, sapphire and pearl bar brooch in 18 ct gold
POA
Edwardian diamond, sapphire and pearl bar brooch in 18 ct gold...
Fine Jewellery
Edwardian diamond and sapphire brooch
£1,850.00
Edwardian diamond and sapphire brooch...
Fine Jewellery
Edwardian bar brooch in 18 ct gold, set with rose cut diamonds, pearls and emerald and rubies, calibre cut
£990.00
Edwardian bar brooch in 18 ct gold, set with rose cut diamonds, pearls and emerald and rubies, calibre cut...
Fine Jewellery
Edwardian amethyst and pearl large pendant with amethyst drop
POA
Edwardian amethyst and pearl large pendant with amethyst drop...
Fine Jewellery
Art Nouveau amethyst, pearl and demantoid garnet brooch/pin
£490.00
Art Nouveau amethyst, pearl and demantoid garnet brooch/pin...
Fine Jewellery
Demantoid garnet and diamonds lizard brooch
POA
Demantoid garnet and rose cut diamonds lizard brooch...
Fine Jewellery
Hunting French horn gold and deer antlers brooch
£1,250.00
Hunting French horn gold and deer antlers brooch...
Fine Jewellery
Edwardian gold and enamel large brooch of a "moth"
POA
Edwardian gold and enamel large brooch of a "moth"...
Fine Jewellery
Art Nouveau multi gem and enamel lozenge shaped brooch
£580.00
Art Nouveau amethyst, pearl and enamel lozenge shaped brooch...
Fine Jewellery
French hard stone cameo brooch of a lady in 18 ct gold . Fine hard stone and enamel and pearl
POA
French hard stone cameo brooch of a lady in 18 ct gold . Fine multi-coloured hard stone and enamel and pearls. Circa 1850s...
Fine Jewellery
Hard stone cameo brooch of Apollo in 9 ct mount
£560.00
Hard stone cameo brooch of Apollo in 9 ct mount...
Fine Jewellery
Art Nouveau Egyptianesque multicoloured enamel and diamonds brooch
POA
Art Nouveau Egyptianesque multicoloured enamel and diamonds brooch...
Fine Jewellery
Art Deco diamond and onyx brooch
£880.00
Art Deco diamond and onyx brooch. Set in platinum...
Fine Jewellery
Victorian sapphire, ruby and pearl insect brooch
£695.00
Victorian sapphire, ruby and pearl insect brooch....
Fine Jewellery
Diamond set large peacock brooch with ruby crest set in platinum
POA
Diamond set large peacock brooch with ruby crest set in platinum....
