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NBA star Kevin Garnett, left, plays himself in
Article
The Real Gemmology of Ethiopian Opals in ‘Uncut Gems’

This article takes a look at the rough opal that plays a major role in the Adam Sandler film “Uncut Gems”. What is the real gemmology of opals?

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An oval shaped 33.40 ct white Australian opal and diamond pendant/brooch set in platinum.
Article
The Enigmatic Gemstone: Opal’s Playful Dance with Light

Opal’s play-of-colour is a lyrical dance: sometimes a grand jeté of bold, broad flashes of colour or smaller, quicksteps of pinpoint flashes.

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A large group of people outside on GIA’s Carlsbad, California  campus.
Article
Guardians of Trust: GIA’s Innovative Research, Instruments and Services

GIA’s services and instruments have grown in importance and impact as new gem treatments and laboratory-grown gems have entered the market.

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A bright orange, multi-faceted gem.
Article
Fall for Autumn Gems

Nature gives us a brilliant palette of colour-changing leaves and a spectacular kaleidoscope of colourful sunsets during the autumn season.

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Bursts of yellow and purple radiate throughout this round-cut ametrine.
Article
Colourblocking: The Art and Fashion of Multicoloured Gemstones

The fashion trend of colourblocking can be found in the artistic combinations of colour in multicoloured gemstones known for their colour zoning or banding.

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A view from behind of a bejeweled winged insect.
Article
A Glittering Garden: A Menagerie of Designs from Mother Nature

Delightful garden creatures and flowers are favourite subjects that transform beautifully into Victorian, Art Nouveau and modern jewellery designs.

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These two opals were represented as natural-color blue and pink opal from Mexico.
Update on Dyed Hydrophane Opal

Opal purportedly from a new deposit is found to be dyed.

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A round, bright red gem displayed on a dark gray background.
Article
The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are sure-fire accessories for sultry summer days.

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A 4.10 ct colorless diamond “slice” pendant with black inclusions set in white gold and surrounded by colorless to brown pavé diamonds by Rachel Boston, London. Photo courtesy Rachel Boston
Article
2017 Las Vegas Trade Patchy, Designers and Diamonds Lead

Designers respond to market trends; demand for diamonds better than expected. Plus: Holiday season diamond marketing campaign gets funding boost.

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“Queen Thai” bracelet with fire opals.
New Designs from Paula Crevoshay

World-renowned jewellery artist Paula Crevoshay displays some of her newest pieces at the Tucson gem shows.

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