Article Search Results

Show Filters
Showing 83 results for "Lab diamonds"
A multi-diamond brooch.
Article
2019 in Review: Diamond Trade Begins Recovery, Jewellery Retail Sector Blooms Late and Extraordinary Auction Sales

2019: A year of ups and downs in the gem and jewellery industry, including diamonds, retail, auction sales and laboratory-grown diamonds.

Read More

Starlet in sunglasses above title “Hooray for Hollywood
Article
M.D. Hohenstine’s Gem Displays: The Process of Creating Popular Window Art with Loose Gemstones

Jeweler M.D. Hohenstine’s spectacular window displays were a beloved tradition in downtown Columbus, Ohio, for more than 50 years.

Read More

The gems spell out “The 2000th Gem Stone Design.”
Article
Gemstone ‘Paintings’ Tell Story of a Master Craftsman, Gem and Jewellery Mentor

A jeweller who quietly built up a circle of inspiration and influence lives on in generations of GIA-educated jewellers and gemmologists.

Read More

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.

Read More

Multi-colored gems are superimposed on an image of glacier peaks.
Article
Gems and Minerals from the Sub-Arctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

Read More

Greenish yellow doublets.
Synthetic Sapphire and Synthetic Spinel Doublets

Unusual doublets created from two different synthetics are revealed at the Carlsbad laboratory.

Read More

Ruby-bearing gravel bed in Mugloto.
Update on Gemstone Mining in Northern Mozambique

Recounts an expedition to Mozambique’s important deposits of ruby, spinel and tourmaline, which have yet to be fully explored.

Read More

Jessie brooch by Paula Crevoshay.
Article
Exhibition Review: Illuminations, from Earth to Jewel

A review of Illuminations, from Earth to Jewel, at the Museum of Mineralogy at the ParisTech School of Mines in France.

Read More

Diaz needs to crouch low as he makes his way through jungle terrain with a backpack on. He wears boots and gloves to protect him on the uncut path.
Article
30-Year Marine Corps Veteran Fulfils Dream of Becoming a Field Gemmologist

The rigours and often-harrowing conditions of gemmology field expeditions are no match for a 30-year Marine veteran with a love of gems.

Read More

Negative crystals and growth tubes in a spinel from Madagascar
Etch Marks, Negative Crystals and Etch Tubes in Spinel from Madagascar

A spinel from Madagascar, mixed in with a parcel of blue sapphire, exhibited an array of internal features.

Read More