A late century Amethyst and Diamond Heart Pendant -- The heart-shaped amethyst in a diamond set claw mount, within a diamond surround, below a diamond set ribbon bow surmount, suspended on a later pearl set double chain suspension, from diamond set bale.
Art Deco Emerald Diamond Platinum Drop Pendant Necklace
Pendant fabricated from gold in kundan technique and set with natural unpolished flat diamonds surrounding a central cut and polished diamond, with cabochon rubies and emeralds North India or Deccan, early century AH/early century CE cm high;
Pink tourmaline, gold, enamel 4 x x cm. Rare beauty and color of stone weighing about 255 carats, probably brought from Burma, unusual faceted shape of the bunch. Tourmaline was presented to the Empress Catherine II by the Swedish king Gustav III