Category: Market Trends

Market Trend-Burmese Ruby

Ruby, the king of gemstones, has traditionally been much rarer than sapphire in nature, although both are varieties of the same mineral. This rarity is a major factor in pricing fine and extra fine quality…

Market Trend: Purple Garnet

Availability of bigger and higher quality garnets occurring in a range of colors, including the color-change variety, has been noticeable during recent gem shows. The use of garnets as a gem material has been known…

Diffused Sapphire

Diffusion treatment of corundum is achieved at extremely high temperatures and involves adding certain elements such as Beryllium (Be), Titanium (Ti) and/or Chromium (Cr) to the process. The diffusion of Be into corundum results in more desirable yellow, orange…

Emerald

Emerald is undoubtedly the most popular variety of beryl. Due to its unusual formation, emerald has a tendency to contain fissures and fractures that diminish its transparency. Included stones are expected and high clarity stones are rare. Color of…

Aquamarine

Aquamarine is considered to be the second most popular variety of Beryl after emerald. Most gem quality aquamarine forms in pegmatites in considerably large sizes and high clarity. Eye clean material is common. The color description of aquamarine is very specific. As the name suggests…

Mozambique Ruby

High prices for better corundum were easily observable during the Tucson Show this year. Although record prices are achieved at the auction level globally, there is now some pressure to keep prices down for good…

Blue Star Sapphire

There has been a steady price increase observed in blue star sapphire market in recent years. Interestingly, the upward trend is caused by growing scarcity of the high quality sapphire in general and not a…

Imperial Topaz

It is stated in this colored stone market report that imperial topaz in the best quality is scarce and prices have gone up. What used to be a few hundred dollars per carat is now…

Spinel

The global gem market has seen the revival of spinel as a popular gem in recent years. Consumers are more aware of its beauty and rarity and recognize it as a gem in its own…