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Diamonds by Design At Diamonds by Design we custom design and create fine jewellery just for you from diamonds, opals, gems and pearls ethically sourced from conflict-free zones. For 28 years our bespoke jewellery, diamond engagement rings has delighted Sydney's discerning buyers.
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July 2019

The diamond paperweight of the Nizam of Hyderabad

Diamonds Sydney

Diamond 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 Industry

Jewellery 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 Design

Opal 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