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Search Results - Sections, Gemstones

your search of 'Sections, Gemstones' has 17 results.

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Organised by the Queensland Boulder Opal Association (QBOA), the event – now ninth year of the competition – will be held at The Waltzing Matilda Museum in Winton and open to Australian opal designers and jewellers.

News
Boulder opal jewellery awards to showcase successful designers

Australia’s homegrown boulder opal – one of the world’s rarest and most valuable gemstones – will be showcased during the 2022 Queen of Gems Jewellery Awards in July. Read more »
The Global Witness report alleges that Myanmar’s current military leaders are taking advantage and control of what the organisation called “conflict rubies” to “tighten its grip on power and bankroll atrocities.” <b>Images:</b> AFP via Getty Images

News
Harry Winston stops sourcing gemstones from Myanmar

Swatch Group’s Harry Winston has announced it will cease sourcing gemstones from Myanmar - also known as Burma - for ethical reasons amid reports of widespread conflict and human rights abuses in the country. Read more »
Gemological Institute of Ratnapura director Chamila Suranga inspects the 310kg corundum. <b>Image:</b> Reuters – Dinuka Liyanawatte

News
"Queen of Asia" sapphire weighing 310 kilograms on display in Sri Lanka

A 310-kilogram natural blue sapphire has been placed on display in Sri Lanka in what could be the largest piece discovered to date, with an estimated value of more than $100 million. Read more »
33 shell beads that were found in Morocco have been discovered to date back almost 150,000 years. The holes drilled through each piece were rounded at the edges, indicating that the beads were used for traditional necklaces and earrings. <b>Image:</b> A. Bouzouggar, Insap, Morocco

News
Discovery of ancient jewellery traces history of human social traits

What archeologists believed to be the oldest jewellery discovered in southwest Morocco between 2014 and 2018 could be evidence that social profiling was practised during ancient times. Read more »
The 23,000 year old bead that was discovered on the Okinawan coast in the Sakitari Cave was carved from a tusk shell which showed traces of red pigment in the grooves of the shell.

News
Coloured jewellery bead discovered; 23,000 years old

An artificially coloured bead believed to be 23,000 years old has been unearthed in Japan’s Okinawa prefecture, and it has been confirmed as Japan’s oldest known colour accessory. Read more »

Feature Stories
The Gem Quarter: Every hue of green and blue

Jeweller discovers the chemical and structural causes of colour in captivating natural blue and green gemstones, from Ceylon sapphires to imperial jade. Read more »
Learn about how the art of gemstone cutting can transform a crystal and bring out its best qualities, from colour to size and sparkle.

Feature Stories
Coloured gemstones: A cut above

Justin K Prim explores the fascinating variety of coloured gemstone cuts and how each one enhances the rough crystal to its full potential. Read more »

News
Jeweller to publish InColor magazine

The International Colored Gemstone Association (ICA) has announced that its quarterly publication, InColor, will now be published by Befindan Media, publisher of Jeweller. Read more »
Above: Amethyst rough; Bulgari collier Below: Emerald rough

Feature Stories
Mine to market: Evolution of the rough trade

Sir-Faraz ‘Farooq’ Hashmi explores how cultural and geographic differences shape the journey of colour gemstone rough from the distant corners of Earth to the jeweller’s bench. Read more »

Feature Stories
Cracking the colour gemstone code

Coloured gemstones are firing up the jewellery industry. ARABELLA RODEN explores the rainbow of opportunities presented by this increasingly popular category. Read more »
Some of the Australian jewellery industry’s most creative opal specialists were rewarded in Lightning Ridge recently.

News
Awards recognise unconventional opal designs

The winners of the International Opal Jewellery Design Awards (IOJDA) have been announced following the prize-giving gala at the Lightning Ridge Opal Festival on 26 July. Read more »

Feature Stories
Sapphire Situation: Expedition to Ethiopia's sapphire fields

At the 2017 Tucson Gem Show, author Andrew Lucas was approached by Ethiopian dealers attending a seminar given by Shane McClure, Global Director, Colored Stone Svc. They proposed to Lucas and McClure to conduct research on Ethiopian gemstone deposits for GIA. Read more »
Diamonds are just some of the gems discovered to be phony in a museum's collection

News
Museum discovers fake diamonds and gemstones

An international museum with significant historical collections has discovered some of its diamonds, sapphires and rubies are “fakes”. Read more »
The GIA's new service traces a diamond's origin, and includes an app for consumers

News
New GIA service traces diamond’s origin

The Gemological Institute of America (GIA) has introduced a program that allows retailers to track the origin of select polished diamonds, potentially providing a unique selling opportunity and improved consumer confidence. Read more »
Mogok stone tract market

Feature Stories
Burmese rubies: A brief stay in heaven

The path down Myanmar’s infamous Mogok Stone Tract is perilous but the promise of riches continues to attract intrepid gemstone explorers. E. Billie Hughes visits the ruby capital. Read more »

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