Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
What is a hydrothermal emerald?
1 Answer

The main difference between a hydrothermal emerald and a regular emerald is that the hydrothermal emerald forms an elongated hexagonal shape. Both emerald types are grown under the same heat and pressure environments. Shop a collection of expertly vetted gems from some of the world’s top sellers on 1stDibs.
1stDibs ExpertApril 5, 2022
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Shop for Chatham Emerald Ring on 1stDibs
1970s Chatham Emerald Diamond Gold Free Form Ring
Located in New York, NY
1970s 18k gold free form ring with Chatham emeralds and approx. 0.32ctw in diamonds. One stone has
Category
Vintage 1970s More Rings
Materials
Diamond, Emerald, Gold
