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Search Results - Gemstones

your search of 'Gemstones' has 158 results.

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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 »
L to R: Anabela Chan earrings; Vrai necklace; Diamond Foundry's lab-created diamond rough before cutting.

Gemstones
Part I: Synthetic diamonds

Of all the great debates in the gem and jewellery industry, the ‘hottest’ topic continues to be natural versus synthetic diamonds. Varying, and sometimes, ‘opposing’ information is continually published as both synthetic and natural diamond technologies continue to develop. Read more »

Gemstones
The Gem Quarter: Sunset magic – orange & yellow gemstones

Jeweller explores the captivating hues of orange and yellow gemstones, from the rich gold of topaz to mandarin garnet, fresh citrine, and smouldering fire opal. Read more »
L to R: Kimberly McDonald earrings; Boucheron necklace; Chaumet bracelet Below: Cartier necklace; Ornella Ianuzzi ring

Gemstones
Unusual Opals Part III: Ethiopian Opal

While Australia remains the world's premier supplier of opal – accounting for approximately 90 per cent of the opal on the market – significant opal deposits were discovered in Ethiopia in 1994, 2008 and 2013. Read more »
Left to right: Linneys earrings; Opal Minded necklace; Cartier bracelet

Gemstones
Unusual Opals Part II: Boulder & Matrix Opal

Australia – the home of opal – is well known the world over for black and white opal specimens; however, boulder and matrix opals are a huge part of the Australian opal industry and only increasing in popularity. 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 »
<b>L to R:</b> Neha Dani ring; Le Vian pendant; Chopard earrings Below: Lydia Courteille cuff; Tiffany & Co. ring.

Gemstones
Unusual Opal Part I: Fire opal

Opal is famous for the incredible array of colours displayed, from vibrant reds – the most prized – to velvety purples and everything in between. 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 »
<b>L to R:</b> Lance Fischer earrings; Kat Florence necklace; Erica Courtney ring.

Gemstones
Diaspore: Colour and light

Diaspore derives its name from the Greek word diaspora – meaning ‘to scatter’. The prized colour-change varieties may be better known as Csarite or, formerly, Zultanite. Read more »
<b>L to R:</b> Kat Florence ring; OGI necklace; Nikos Koulis earrings

Gemstones
Apatite: A touch of mystery

Apatite derives its name from the Greek word apate, meaning to deceive – referring to how this gemstone is often confused with other minerals, including the striking Parai´ba tourmaline. Read more »

Gemstones
Pretty in pink: Kunzite

Kunzite, a variety of spodumene, is a relatively lesser-known gem in the world of jewellery – yet its beautiful pink-to- violet colouring, owed to the presence of manganese, continues to attract a growing number of admirers and collectors. Read more »
<b>L to R:</b> Anna Hu brooch; Fred Leighton necklace; Neha Dani bracelet.

Gemstones
The magic of moonstone

The aptly named moonstone has been associated with the moon across various cultures throughout history. In Hindu mythology, moonstone is believed to be made of solidified moonbeams. Read more »

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