Research Article Search Results

“Cotton Pearl” Imitations
An in-depth look at a new pearl simulant gaining popularity in the fashion jewelry market.

Natural-Looking Inclusions in a Ramaura Synthetic Ruby

Unique Fingerprint in Montana Sapphire

Unusually Large Flux-Grown Synthetic Sapphire
Hammered Effect in a Worked Pearl
A natural saltwater pearl displays the optical illusion of a bumpy texture.
Akoya Cultured Pearl Prize in an Arcade-Style Claw Game
Arcade-style games in Japan dispense akoya pearl jewelry as prizes.

Large Natural Diamonds with Asteriated Cloud Inclusions
Two natural diamonds containing cloud inclusions that resemble stars are examined in the Carlsbad laboratory.

Square-Shaped Cloud in Diamond
A natural faceted diamond displays a prominent square-shaped cloud under the table.

New Emerald Production from the Curlew Mine, Western Australia

Laboratory-Grown Diamonds: An Update on Identification and Products Evaluated at GIA
Reviews the advancements and major trends in laboratory-grown diamonds observed by GIA since 2007.

Update on Inclusion Scenes in Mozambican Rubies





