Lab-Grown Diamond Market Update: Sales, Size, and More
GemGuide dives into numbers provided by two diamond market analysts.
Lab-Grown DiamondMarch Hong Kong Gem & Jewelry Show Sees Improved Sentiment
An on-site survey at the trade show provided insights into market trends and sentiments.
The Trade in FocusGemstone Source Region Update: Zambia
The country imposed then rescinded a 15% export duty on gemstones.
The Trade in FocusTucson: Revealing the Trends and Challenges of 2025
After a week in the desert, Stuart Robertson and Brecken Branstrator dive into what they saw in terms of buying activity, trending stones, pricing, and other hot top topics.
Featured ArticlesThe Fracture Filling of Cuprian Tourmaline in Today’s Market
The gemstone industry is becoming more aware of oils and resins in cuprian tourmaline, not uncommon as supply of fine quality goods dwindles, and its effect on value can vary.
Featured ArticlesMixed Results for 2024 Holiday Season
There were some winners and some that didn’t do as well as a relatively quiet year came to an end. Plus, some new marketing campaigns have taken off to promote mined diamonds.
Diamond MarketLet’s Party
Are appraisers liable to third parties? It depends on the state. Here’s what important to know.
The Appraiser's NotebookGempedia: A Comprehensive Glossary for Gemstone and Gemmology
Richard Drucker reviews Rui Galopim de Carvalho’s comprehensive gemstone glossary comprising more than 7,300 entries.
Book ReviewSapphires from Yogo Gulch, Montana
Their rarity has combined with increased demand thanks to online jewelry buying and consumer appetite for unenhanced gems to create high prices.
Market Trends