Amethyst
Amethyst, the purple-violet variety of quartz has been revered and used by many different cultures. A multitude of symbolisms and spiritual powers have been ascribed to it throughout millennia. Although there were a number of…
Market TrendsLarge Bead Nucleated Round Freshwater Cultured Pearls, A.K.A. Edison Pearls
Fine quality nucleated Chinese freshwater pearls have earned widespread consumer appeal as one of the fastest growing sectors in the gem trade. However, visual similarity of these pearls to the once dominant seawater varieties like Akoya…
Market TrendsYellow Sapphire
Fancy sapphires have been around and popular for different reasons as much as ruby and blue sapphire. The broad color spectrum of fancy sapphires is very appealing to many consumers. Yellow sapphire, also known as…
Market TrendsTsavorite Garnet
The colored gem market has more to offer than the big three (ruby, sapphire and emerald) in recent decades. Availability of bigger and higher quality garnets in a range of colors beyond the classical red varieties…
Market TrendsBi-Colored Sapphire
Ruby and blue sapphire may be the most popular varieties of corundum but nature is capable of producing other interesting varieties too. Although commonly known for tourmalines (watermelon) and quartz (ametrine), multicolored examples exist in…
Market TrendsSphene
Consumers are more aware of unusual and rare gems in the global market. This awareness is supported by high end jewelry designers using stones such as sphene. This fiery gemstone’s correct mineralogical name is titanite…
Market TrendsThe Big Three Plus Diamond
The GemGuide has now been publishing colored gemstone prices since 1982 and diamond prices since 1985. During the past 35 years, gem prices have fluctuated for various reasons. The chart that appears below is a…
Market TrendsMorganite
Demand for pink gemstones has been fairly strong in recent years. Morganite, the light pink to orange-pink variety of beryl, has been entering the market in greater than typical quantities during the past few years…
Market TrendsBlue Zircon
Unusual gems have been gaining popularity recently amongst consumers. Zircon, known for its attractive properties, is one of them. Brightly colored varieties with diamond-like dispersion have long been the cause of dealers’ fascination with zircon…
Market TrendsCuprian Tourmaline
Discovery of vivid blue, green, and purple-to-violet tourmalines, a.k.a., “Paraíba” in Batalha, Brazil in 1982 changed the way the gem market perceived tourmalines. The unquestionably vivid colors were due to copper and this color agent…
Market Trends