GEMS Opal Necklace With Demantoid Garnet Accents. Necklace By Louis Comfort Tiffany. Black Opal From Australia's Lightening Ridge. Demantoid Garnet Accents From Russia. Janet Annenberg Hooker Hall Of Geology, Gems, And Minerals.
The 'Winston Legacy' is the largest white diamond ever to come to auction. The Type IIa, pear-shaped, D colour, flawless diamond was sold to Harry Winston at Christie's auction of jewels in Geneva on 15 May
Paraiba Tourmaline, named after the place it was found. It has appeared in the most amazing colours of neon blue (turquoise), green, blue, mauve and violet. Paraiba Tourmalines are amongst the most fine colours of tourmaline there is.
Classic Black Crystal Opal Lightning Ridge, New South Wales, Australia This fine and plump double-cabochon black crystal opal is the ideally suited to be mounted as a ring. A five out of five in terms of vividness and presence of color, the gem abounds in