1 avril 2013
Paraíba tourmaline and diamond ring, Martin Katz
Paraíba tourmaline and diamond ring, Martin Katz - Sotheby's Centring on a cabochon paraíba tourmaline weighing 32.69 carats, flanked on each side by a half moon-shaped diamond together weighing approximately 2.15 carats, decorated to the shank by circular-cut...