Art Deco 30 Carat Siberian Amethyst Single-Stone Ring

Vintage 14k gold solitare ring centered with natural large siberian amethyst in oval cut with a diamrter of 14.80mm×12.17mm with detailed work on ring side...

This spectacular Siberian Amethyst measuring just over 13.54 carats is beautifully set in platinum with tapering French Cut diamond shoulders. Total diamond weight certified 48 point...

The brilliant-cut diamond, with asymmetric shoulders and grooved band. Estimated diamond weight 0.50ct, H-I colour, SI 1 clarity. Import marks for London, 1989. Ring size 7 . Weigh...

A single stone diamond ring, the round brilliant-cut diamond weighing 0.66 carats, claw-set to a platinum rex-design collet, to yellow gold ...

A single stone diamond ring, the round brilliant-cut weighing 5.01 carats, accompanied by GIA Report stating to be of I colour and I1 clarity, eight-claw set to an openwork collet with scroll decorations, to tapering D-section shank, all made in platinum hallmarked 950 London, made by Bentley & Skinner, size N, measuring approximately 2.1 X 1.1cm, finger size N, gross weight 6.1grams. This ring is in excellent condition. This magnificent single stone diamond solitaire ring was made by Bentley & Skinner, the London jewellers by appointment to both Her Majesty the Queen and His Royal Highness the Prince of Wales. This is the perfect solitaire engagement ring, featuring a scintillating and dazzling five carat diamond...

THIS IS A MAGNIFICENT ANTIQUE ART DECO - RETRO 23 CARAT EMERALD CUT SIBERIAN AMETHYST RING WITH FOUR GORGEOUS OLD MINE CUT DIAMONDS AND SIX SPEC...