Market Trends: Blue Sapphire
Blue sapphire forms the backbone of the U.S. colored stone industry. It is the most popular of colored stones sold at retail in the U.S. It has benefited from favorable supply issues for the past…
Market TrendsMarket Trends: Ruby
Given the recent price volatility in the ruby market, it is worth revisiting the ruby price trend again. There are some size/quality combinations that have seen a significant price increase during the 12 month period…
Market TrendsMarket Trends: White Sapphire
Like most sapphire varieties, white sapphire has experienced increased demand and higher prices during the past few years. Dealers in Sri Lanka report that material is being heated to produce the colorless material now that…
Market TrendsMarket Trends: Promotional Diamonds
The lead article discusses changes in the market for promotional diamonds. These charts that follow show the history of the subject diamond categories from 1995 to present. All prices shown are adjusted from the GemGuide…
Market TrendsMarket Trends: White Opal
e opal market is one area where the dollar slide has been more evident. The price of opal has been rising not only on demand issues but also as a result of eroding value of…
Market TrendsMarket Trends: Tanzanite
The lead story discusses the price volatility associated with tanzanite through the years. The following charts illustrate this for the years since 1993. All graphs represent average prices in each category, not the high or…
Market TrendsMarket Trends: Emeralds
The lead article goes into great detail regarding the fall and rise of emerald prices over the last decade plus. The graphic above illustrates this. Prices in the graph are for one carat emeralds with…
Market TrendsMarket Trends: Synthetic Diamonds
The synthetic diamond market continues to expand. Although dealers and manufacturers of natural diamonds express concerns that synthetics pose a risk to the market and as such should not be graded using the GIA diamond nomenclature, the reality…
Market TrendsMarket Trends: Origin Makes a Difference
While we are not strong believers in the origin issue, especially when origin overshadows quality, we do recognize that the market will set the price. If collectors desire origin and are willing to pay a…
Market TrendsMarket Trends: Ruby Availability and Value Based on Treatment
The lead article in this newsletter on Disclosing and Explaining Treatments has references to the availability pyramid shown below. Along with this chart is a theoretical value chart based on treatment. These charts illustrate the…
Market Trends