A CARVED RUBY AND YELLOW GOLD RING. Copyright 2013 - Symbolic & Chase.

Set to the centre with five carved rubies of foliate design, to domed shoulders, French assay marks for 18ct gold, maker's mark indistinct, 1940s, Size J. Price:£8,500

A RETRO GOLD RING. Copyright 2013 - Symbolic & Chase.

Designed as a series of graduated arches, to fluted shoulders, circa 1940, French assay marks for gold, size L. Price:£4,000

SUZANNE BELPERRON FOR RENE BOIVIN. A YELLOW GOLD AND ROCK CRYSTAL RING. Copyright 2013 - Symbolic & Chase.

Designed as a facetted domed rock crystal band set with a central contour of yellow gold, 1933. Accompanied by a certificate of authenticity by Françoise Cailles, stating that the design was made from a Suzanne Belperron drawing. Price:£30,000

RENE BOIVIN. A DIAMOND DRESS RING. Copyright 2013 - Symbolic & Chase.

Of geometric design, centring on two circular-cut diamonds, the angular surround set with circular- and square-cut diamonds, to shoulders of similar design, 1934, accompanied by a certificate of authenticity by Françoise Cailles. Price:£37,000

CHAUMET. A SINGLE-STONE DIAMOND RING. Copyright 2013 - Symbolic & Chase.

Designed as a central cushion-shaped diamond weighing 2.84 carats, between baguette diamond shoulders, signed Chaumet Paris. Accompanied by GIA certificate no.2155879908 stating that the diamond weighing 2.84cts is E colour, VS2 clarity. Price:£35,000

A PLATINUM AND MARQUISE-SHAPED DIAMOND RING. Copyright 2013 - Symbolic & Chase.

Designed as a central marquise-shaped diamond, within a platinum mount. Accompanied by GIA certificate stating that the diamond is 6.03 carats, E colour, VVS2 clarity. Price:£250,000

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