This 25mm black opal donut is one of only two in existence. It is perfectly polished and weighs just over 3 grams. The opal is 25mm across and the band is 5.9mm thick. The opal was cut from the very finest material and the intensity of the fire stands on its own. Gilson Created Opal Black 25mm donut shaped opals
Lalique 1900-01 signed 'Eagles on Pine Tree Branches' dog collar plaque: an articulated, gently curved plaque. Two enamel & gold eagles face a large opal among light green enamel & chased gold pine tree branches & pine cones. Acquired from the artist in 1901, Calouste Gulbenkian Museum | museu.gulbenkian.pt
There is an endless bounty of eye-catching gemstones throughout the world and this spectacular boulder opal is one unique beauty that looks like a shimmering crystal encased in a tree fossil. Its opalescent sheen seeps through the cracks of the seemingly wooden rings in lustrous hues of emerald green and aqua blue. Like something out of a fairy tale, the triangular piece radiates through an organic pattern mimicking the growth rings of tree.
A pair of early 20th Century gold and silvery coloured metal mounted opal and diamond set pendant drop earrings (for pierced ears) the circular cabochon cut opal of approximately .50ct within gold coloured metal collet setting suspending fine chain link to rose diamond set terminal, suspending tear drop cut opal, 40mm drop overall (gross weight 5.6 grammes)