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Exploring Madagascar’s Sapphire Mines
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GIA Field Gemmology Team Explores Sapphire Mines at Ilakaka, Madagascar

Tour one of the world’s most active sapphire mining areas - the island of Madagascar - with GIA’s field gemmologist Vincent Pardieu.

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On the Trail of Africa’s Hidden Gems with GIA’s Field Gemmologists

Visit gem mining areas in Madagascar, Kenya, Tanzania, Zambia and Mozambique with GIA’s field gemmologists.

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Three pieces of labradorite with yellow, blue and green flashes of color.
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Optical Effects of Phenomenal Cabochons

Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.

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Two blue sapphires side by side
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G&G Announces Most Valuable Article Awards

G&G announces the winners of the Dr Edward J. Gübelin Most Valuable Article Awards for 2019.

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Sapphire
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Sapphire History and Lore

Traditionally, sapphire symbolises nobility, truth, sincerity and faithfulness.

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Sapphire necklace
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Sapphire Description

Blue sapphire belongs to the mineral species corundum. It can be a pure blue but ranges from greenish blue to violetish blue. The name “sapphire” can also apply to any corundum that’s not red and doesn’t qualify as ruby, another corundum variety.

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Sapphire Journey

The name “sapphire” can also apply to any corundum that’s not ruby, another corundum variety

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Sapphire
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Sapphire Quality Factors

Sapphire is one of the big three of coloured gemstones (the other two are ruby and emerald). This durable gemstone captures jewellery buyers with its practicality and aura of romance. Click here to find out more about the factors that make sapphire so desirable!

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Patrick O’Shea stands in front of a staircase at the Javits Center in New York City.
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The Curious Life of Patrick O’Shea: From Ballistics Detective to Gemmologist and Jewellery Designer

Patrick O’Shea’s life’s journey led him down many career paths until they all came together as a designer who specialises in masonic jewellery.

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Two people walk past a Kay Jewelers storefront.
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Jewellery Sales Show Modest Rise; Higher End Soars

US Christmas jewellery sales increased slightly from 2018. Online buying surged, while foot traffic in retail stores slowed.

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