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Search Results - Learn About, Gemstones

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Gemstones
Tools of the Trade: Part III

In the opening two parts of the Tools of the Trade series, we covered some of the important instruments used by gemmologists in the examination of gemstones. Read more »

Gemstones
Tools of the trade: Part 1

Like many scientific practices, gemmology relies on the use of various specialty instruments to measure and assess properties of gemstones. Read more »
Above: Piaget; Stephen Silver Fine Jewelry; Dior Below: Selim Mouzannar; Sunita Nahata

Gemstones
Garnets Part I: Pyrope, Almandine, Spessartine

Historically, garnets have played a significant role in the world of gems. They have adorned the necks of high society ranging from Egyptian pharaohs to Victorian-era royalty and beyond. Read more »
Above: Hemmerle; Andreoli; Glenn Spiro Below: Chanel; Moiseikin

Gemstones
Garnets Part II: Grossular, Andradite, Uvarovite

Compared with the well-known reddish browns and purplish red garnet varieties of pyrope, almandine, and spessartine, the second solid solution series producing gem quality garnets generally goes under the radar of your average jewellery customers. Read more »
Above: Moussaieff; David Morris; Clogau Below: Kendra Scott; Amanya

Gemstones
Pearls Part V: Examining the Exotics

To the average consumer, or even the average jewellery sales assistant, pearls are often known to be gloriously lustrous, covered in glittering nacre, as close to white as possible, and aiming to be perfectly round. Read more »
Above: Moksh; Cult Gaia; Van Cleef and Arpels Below: Little H; Ikecho

Gemstones
Pearls Part IV: Seed and Keshi

Seed pearls have long been a favourite choice for intricate designs throughout jewellery history, whilst the baroque forms of keshi pearls are today featured to bring jewellery design a touch of uniquity. Read more »
Inset jewellery: Boucheron, Sapphires: Sapphire Dreams

Gemstones
The Gem Quarter: The distinctively elegant gemstones of Australia

Australia is home to some of the world’s oldest minerals and rocks, many of which are some of the most sought-after gemstones by enthusiasts and collectors from every corner of the globe. Read more »
Above: Yoko London; Tasaki; David Morris

Gemstones
Pearls Part III: Akoya

Typically round in shape, white or cream in colour with a pinkish overtone, and possessing a high lustre – Akoya pearls are a classic. For consumers of the western world, these saltwater cultured pearls are the most popular choice. Read more »
<b>Above:</b>Autore Pearls; Arosha Taglia <b>Below:</b> Assael pearls; Musson

Gemstones
Pearls Part II: South Sea & Tahitian

South Sea and Tahitian pearls are the most prized of pearls cultured today. These exceptionally lustrous beauties can only be grown with meticulous care in the most pristine environmental conditions. Read more »
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 »
<b>Above (L to R) </b>Pacharee; Blue Nile; Mizuki

Gemstones
Pearls Part I: Freshwater

Pearls – an organic gem - have been revered pieces of treasure for thousands of years, having adorned the necks of nobility spanning across Persia, Babylon, Egypt, Rome, and beyond. Read more »
<b>Above:</b> Courbet <b>Inset:</b> Scio Diamond Tech

Gemstones
Part III: Synthetic diamond misconceptions

Over the past few years, comparisons made by the opposing ‘camps’ of natural and synthetic diamond have been rampant, with a large amount of misinformation clouding the scene. Read more »
<b>Above:</b> Swarovski Created Diamonds

Gemstones
Part II: Synthetic Diamonds

With the success of growing gem-quality diamonds at a reasonable cost, the next step for the synthetic diamond industry was to achieve larger sizes, improve quality, and produce an array of colour options to offer consumers. 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 »

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