Tanzanite Quality: The Collector’s Guide to Value

Aug 28th 2026

Did you know that tanzanite is approximately 1,000 times rarer than a diamond, yet many collectors still struggle to distinguish a retail-grade stone from a true heirloom? With the world's only source in the Merelani Hills expected to be depleted within the next 25 years, learning how to judge tan …

Chatham Lab Created Rubies: The Connoisseur’s Guide to Ethical Luxury

Aug 27th 2026

With 61 percent of all engagement rings now featuring lab-grown center stones, the shift toward ethical luxury is no longer a simple trend; it is a standard for the modern connoisseur. However, not all created gems are equal. Chatham lab created rubies stand apart because they are not mere imitati …