News

GIA scientists recently examined a D color, 0.53 carat round brilliant diamond with a cloud inclusion that looks like the profile of a faceted roun...

The Force is strong with this one. In the early 2000s, deposits of highly-fluorescent hot pinkish red spinels were discovered in Namya, Myanmar (fo...

India is well-known for its sumptuous jewelry made by people of diverse religions and cultures. Jewelry from the Mughal Empire (1526-1857) often fe...

Yen Bai Province in northern Vietnam is widely known for producing rubies and sapphires. Of the rubies and sapphires mined, roughly 10–15% are gem ...

Some of the most desirable spinels come from Myanmar (Burma), as they often have pure red color combined with high fluorescence. Nicknamed "Jedi" ...

Since its discovery in Brazil in 1989, Paraíba tourmaline’s striking range of color has electrified the gem world. Its hues include blue (electric ...

Since late 2007, rubies and sapphires have been mined by hand methods from both eluvial and primary deposits at Winza in central Tanzania. The gem ...

GIA Johannesburg recently received a 1.02 ct round brilliant for a Diamond Grading report. Standard testing showed it was not a diamond, and subseq...

Colored stones from the Baroque era fashioned as rose cuts have received little attention to date. Even the colored stone rose cuts incorporated i...

Turquoise, tanzanite and zircon are the three birthstones for December. These December birthstones are mined around the world and all have their ...

Topaz and citrine are the two birthstones for November. Both are fairly abundant making them affordably priced. These two November birthstones ar...

Opal and tourmaline are the two birthstones for October. Both of these gemstones are known for their endless color combinations and are believed ...