
The diamond paperweight of the Nizam of Hyderabad
Diamonds SydneyDiamond Jewellery Sydney In 1884 a rough diamond of over 400 carats was found in the Kimberley mines in South Africa and smuggled to London to avoid duty. A syndicate of dealers at Hutton Gardens bought it and sent it to Amsterdam to be cut and polished. The finished gem was a spectacular rectangular cushion … Continue reading The diamond paperweight of the Nizam of Hyderabad

The A, B, C of the Smithsonian Collection in Washington DC
Jewellery Design, Jewellery IndustryJewellery Appraisal Sydney Jewellery Valuation at Diamonds by Design A is the American Golden Topaz from Minas Gerais in Brazil, which has 172 facets and weighs almost 23,000 carats — that’s 4½ kilos, ¬ which makes it one of the biggest gemstones in the world. The almost 12-kilo piece of rough belonged to Dr Edgar … Continue reading The A, B, C of the Smithsonian Collection in Washington DC

Some famous opals and references from famous authors
Jewellery DesignOpal Jewellery Sydney Opals have been mined in Coober Pedy since the 1840s and Lightning Ridge since the beginning of the 20th century. Ralph Waldo Emerson wrote: “The hues of the opal, the light of the diamond, are not to be seen if the eye is too near.” In 1906 Charlie Dunstan found a 900-carat … Continue reading Some famous opals and references from famous authors