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)

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Excellent 213
Very good 98
Good 3

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Boris Sosna

Boris Sosna

All items from this dealer

Diamond and ruby full eternity ring

Platinum set diamond baguettes full eternity ring

Platinum set diamond baguettes full eternity ring

3 stone diamond ring, 0.6 ct total est.

Victorian 5 stone diamond ring in 18 ct gold

18 ct gold miniature of a Swiss Gentleman in enamel

Hard stone cameo brooch of Apollo in 9 ct mount

French hard stone cameo brooch of a lady in 18 ct gold . Fine hard stone and enamel and pearl

Art Nouveau 18 ct gold French brooch of a ladies profile signed Cairag

3 stone crossover diamond ring set in platinum

Diamond solitaire emerald cut of 0.95 ct est. set on full diamond eternity ring

Diamond solitaire ring in platinum. 0.45 ct est.

Diamond solitaire ring, jubilee cut in 18 ct white gold

Diamond solitaire ring in platinum 0.75 ct est.

Diamond solitaire ring with diamond shoulders together with plain platinum wedding ring with a cut out for the diamond ring

Diamond solitaire ring, princess cut, 0.71 ct

Diamond solitaire ring, princess cut. Certificated

Diamond solitaire ring, 1.1 ct est.

Diamond solitaire ring set in platinum

Diamond and black opal cluster ring

1960s two colour gold pave set diamond ring

Very thick 18 ct white gold band ring set with small diamonds

18 ct white gold wedding ring set with 3 emerald cut diamonds

Large emerald and diamond cluster ring

Very large star sapphire cabochon and rose cut diamonds cluster ring

Large sapphire and diamond cluster ring. Certificated

Old cut diamond solitaire ring of ribbed design

Diamond set half eternity ring of curved design

2 colour gold wedding ring set with a diamond

Diamond crossover ring in 9 ct white gold