A detailed overview of Paraiba tourmalines, covering mineralogical composition, color origin, treatments, and how they’re assessed in the gem trade.

This Alexandrite Guide outlines the gemological and optical characteristics of Alexandrite, a color-change variety of chrysoberyl.

Discover why TWAK Gems focuses on natural gemstones in bespoke jewelry. Learn about our Gem to Jewelry program and exclusive Gems & Cheers event

Ametrine is a rare and visually striking gemstone that blends the violet tones of amethyst with the golden warmth of citrine — all within a single crystal. Sourced almost exclusively from the legendary Anahí Mine in Bolivia, this bi-color quartz is admired for its natural beauty, symbolic meaning, and suitability for custom, handcrafted jewelry. Discover why Ametrine stands out among the world’s most captivating gems.

Learn about our buying process and what we can buy from you. Contact us to start your sales process now.

Here you you learn what sets Precision Cut stones apart from traditional cuts.

This certiicates gives an overview of ALGT, a independent gemological laboratory that can certify your gemstones and jewelry.

A glance on Tanzanite, one of the rarest gemstones of the world.

Discover our Gem to Jewelry Program: Transform your chosen gemstone into a bespoke, one-of-a-kind jewelry piece. Personalized design and expert craftsmanship.

This article covers the current downwards price of diamonds compared to its intrinsic value.

Old Mine Cut diamonds - A glimpse of history from the 18th and 19th centuries.

An article covering the the Investment Potential of Diamonds, and Gemstones as Value Investing.

By understanding heat treatment, consumers can make informed decisions when purchasing gemstones

This post shows fascinating details about Brazilian Emeralds, rare gems that are often overlooked. Read and learn more about them.

2 & 3 November 2024 at InterMinéral in Liége, Belgium. Organised by L'Association des Géologues Amateurs de Belgique: From 10:00 to 18:00...

This article demystifies and explains why Natural and Synthetic stones are not the same.

See how much care and the level of detail we can achieve, when photographing and filming your future gemstones.