Gemological Institute Of America | All About Gemstones - GIA
Captivating color. These are the planet’s most valued gems. Diamond. Diamonds are among nature’s most precious and beautiful creations. Emerald. Emerald is the bluish green to green …
GIA - Report Check
Jan 1, 2000 · For reports dated on or after: January 1, 2000: July 1, 2010: January 1, 2014: February 1, 2015: December 19, 2019: December 19, 2022: Report data: PDF facsimile of ...
Natural Diamonds | Diamond Stone – GIA C
About Diamond. Diamond forms under high temperature and pressure conditions that exist only about 100 miles beneath the earth’s surface. Diamond’s carbon atoms are bonded in …
Birthstones | Birthstone by Month - GIA
Aquamarine and bloodstone are the two birthstones for March. One evokes blue skies and calming waters while the other represents health and strength. Learn more about these two …
GIA - Report Check
Report Check Features. A Report Access Card containing your diamond's report number, 4Cs grading information, and a QR code that links directly to your digital report can be added to …
GIA Gem Encyclopedia | Complete List Of Gemstones
GIA’s Guide to Gemstones: Gem Encyclopedia. GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page …
My GIA
My Laboratory & GIA Laboratory Client Portal. Now featuring one log in for My Laboratory and the GIA Client Portal. Maintain your laboratory account information and grading results online. You …
Is There a Difference Between Natural and Laboratory-Grown …
May 31, 2019 · One, however, is a billion or more years old and the other was recently grown in a laboratory. Both are diamonds, of course. The first is a natural diamond created by forces …
Sapphire Quality Factors | Different Types & Colors of Sapphire - GIA
In general, the more intense and uniform the color is, the more valuable the stone. Sapphires that are not blue are known as fancy sapphires, and may be any color—except red (which is a …
Alexandrite Gemstone | Natural Alexandrite Stone - GIA
About Alexandrite. Often described by gem aficionados as “emerald by day, ruby by night,” alexandrite is the very rare color-change variety of the mineral chrysoberyl. Originally …