What Causes Diamond Color?
Only about 1 in 10,000 natural gem quality diamonds is fancy colored. Within that small percentage, some colors are more common than others, making certain of the colors extraordinarily rare. So, […]
Entries by CAI ICIA
What a Gem: Chinese Jewelry Artist Dickson Yewn
In 2011, Chinese jewelry artist Dickson Yewn was relatively unknown beyond the confines of the most exclusive collecting circles. Then First Lady Michelle Obama was photographed wearing one of his rings during […]
108 carat Pink Diamond Discovered in Lesotho
A fancy intense pink rough diamond weighing 108.39 carats has been recovered in the Kingdom of Lesotho, at the Kao mine operated by Storm Mountain Diamonds. This rare Type IIa […]
Setting Recommendations for D-Z Crystal Diamond Colors
Color is one of the most important factors in a diamond’s overall beauty and value. When selecting a setting it’s important to remember that the type of metal used can […]
Peridot for ‘Patty’s Day’
St. Patrick’s Day is celebrated all around the world, particularly in Ireland and among those of Irish descent. It is a day of revelry, merriment, and green-themed festivities. And while […]
Meet bloodstone, the ‘other’ birthstone of March
Aquamarine may be more widely known, but March babies have the luxury of two birthstone choices. Both have a historic association with protection and healing, yet they look distinctly different. […]
Three Fun Facts about Amethyst
Amethyst, the birthstone of February, is an appealing gemstone with a long and fascinating history. Throughout the centuries, amethyst has been valued for properties other than its purple aesthetic. Here […]
Are there Affordable Natural Diamond Colors?
Fancy colored diamonds are very rare to find in nature. They represent less than 0.01% of diamonds mined in the world – or, about 1 in 10,000. Furthermore, nature produces some colors […]
Canada’s Mountain Province becomes Chow Tai Fook supplier
Mountain Province Diamonds, joint-owner of Canada’s Gahcho Kué diamond mine, has announced a supply agreement with Chow Tai Fook, one of the world’s top jewelers. Under the terms of the agreement, Chow Tai Fook […]
Diamond Clarity Chart with Eye-Clean Definition
In Diamond 4Cs analysis, clarity evaluates a gemstone’s relative freedom from inclusions and blemishes. There are 11 different clarity grades which descend gradually from flawless. However, nuanced gemological analysis notwithstanding, many buyers […]
Ancient Ruby Teaches Secrets of Life
As a gemophile, it’s easy to become fascinated by collections of finished jewels, what great gems are on display in which museums, etc. I get excited by knowing which amazing […]
Six Spectacular Sapphires for September
Happy Birthday, September sisters and brothers. To you fun, gracious, fair-minded, Libras – I know I needn’t twist your arm to convince you to celebrate. Have some scintillating fun this […]