Montana Sapphire
The latest Gem Note dives into the differences in sapphires sourced in Montana and why it’s so hard to price Rock Creek and Missouri River corundum.
Gem NotesWhat is an Ivory Tower Worth? Part II
The final of a two-part series looks at the state laws that exist surrounding the sales of ivory. For the first part, revisit GemGuide’s November/December 2023 issue.
The Appraiser's NotebookRed Spinel
The gem, long beloved throughout history—even though, at times, it was appreciated as ruby—has continued to rise in price, especially in the fine quality, as supply once again becomes scarce.
Market TrendsGem Focus – December 2023 – Featuring Fancy White Diamonds: not interchangeable with ‘colorless’ diamonds
In the industry, it’s not uncommon for trade members to refer to diamonds on the D-to-Z scale as “white diamonds,” but in reality, they’re two very different things.
*Gem Focus & Market Pulse (Free Subscriber)Russian Diamond Sanctions: Where They Stand, What’s to Come
G7 leaders released a statement about their import ban and stones cut elsewhere.
The Trade in FocusGold Jewelry Performance: U.S. and International Markets
The high gold price in the quarter meant global gold jewelry buying was soft.
The Trade in FocusGarnet and Tourmaline Rule AGTA Spectrum Entries
Check out highlights from the Editors Day in Dallas held for the AGTA Spectrum Awards for colored stones.
The Trade in FocusGemstone Source Region Update: Tajikistan
A report from a recent expedition offers a look at mining activity in the country.
The Trade in FocusThe Top 5 Trends Dominating in Vintage Jewelry
As consumers look for new ways to express their personal style, vintage jewels provide just the opportunity. Here are the styles currently standing out most in the market.
Featured ArticlesProfile: Marianne Grigoli, Head Gemologist at Mozambique Mining
GemGuide will highlight younger members of the gems trade helping shape the industry with a profile series. Here, we chat with Marianne Grigoli, head gemologist at Mozambique Mining.
Featured Articles