Category: Market Trends

Cobalt Spinel

Vivid cobalt spinels are particularly rare and more expensive than the other blue spinels. Recently, a new source outside Mahenge in Tanzania has excited the gem trade.

Mint Tourmaline

The term mint is generally applied to light to medium green to blue-green tourmalines with high saturation with no gray or brown component. Tourmaline gemstone varieties are known to fall into any color of the spectrum…

Large Colored Stones

The GemGuide Market Trend article typically covers a single gemstone that has shown an interesting trend in demand and/or price. However, this report presents a trend that is more general in nature. Such an observation has been made lately and was mentioned by several gem dealers following Tucson gem shows. That is that big and bold gemstones are getting increasingly popular.

Marine Cultured Pearls

South Sea and Tahitian cultured pearl producers have experienced significant interruptions to the cultivation process during the pandemic. The effects will be felt during the course of the coming few years.

Heliodor and Golden Beryl

The demand for heliodor in the gem market fluctuates by fashion to an extent. Since one of the Pantone Colors of the Year for 2021 is a bright yellow named “Illuminating,” all tones of heliodor should get more attention.

Red and Hot Purple Tourmaline

Unheated and vividly colored purplish red cuprian tourmalines have gained a special niche and become more of a collector’s stone, while rubellite remains one of the favorite tourmalines in the market.

Pink Spinel

Gem quality spinel has a long history of being confused with other gems or even a misguided reputation of being a ruby simulant. Thanks to newly gained appreciation and understanding of its own qualities, it now stands on its own merit as a fine gemstone in the modern gem market.