Antique c.1900's Platinum Amethyst & Diamond Ring

Antique c.1900's Platinum Amethyst & Diamond Ring.

Stamped 18.17 950, it would appear the 'known weight' of the stone is 18.17ct, it's a fabulous Rectangular Step Cut Amethyst in Deep Reddish Purple tones.  Set with Transitional Cut Diamonds in the surround and handmade in Platinum.  

 

 

TJTC102