Teal Sapphire
More recently the market has experienced a surge in demand for blue-green sapphire marketed as “teal” sapphire.
Market TrendsGem Focus December 2021: Hydrogrossular Garnet
Hydrogrossular Garnet; a lesser-known garnet species better known by its trade names.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus November 2021: Keshi Pearls
considered a divine gem. Natural pearls were so rare that they were only owned by royalties, even the tiny ones were utilized both in jewelry and on clothing.
*Gem Focus & Market Pulse (Free Subscriber)The Supply Problem with Pearls
Pearl supply is down but demand is up, leaving U.S. dealers scrambling to get their hands on high-end inventory and paying a lot more for what is available.
Featured ArticlesDiamond Market News
experiencing new sales highs with shortages and strong demand fueling the rise.
Diamond MarketLab-Grown Diamond Market
In September, the LGD price list was added to the GemGuide. The increase in popularity and sales cannot be denied. Lab-grown large diamonds were once a rarity but today are easily found and sold. There is word of a shortage of rough for cutters, yet factories continue to be built and ramp up.
Lab-Grown DiamondColored Stone Market
In August I was asked what advice I would give shoppers for the upcoming holiday season? My answer, shop early.
Colored Stone MarketColorado Rhodochrosite
Rhodochrosite has become increasingly popular among collectors and jewelry connoisseurs in recent years. Most
Gem NotesStandard Bearer
Appraisers that amass and advertise multiple professional designations and appraisal society memberships often forget that it is standards that will dismantle them.
The Appraiser's NotebookSeparating Blue Topaz from Aquamarine, Part II
The basic gem testing articles offer tips on quick methods of testing using basic instruments. With practice basic tools can provide reliable indications of a stone’s ID. No tool on its own is a substitute for thorough gemological testing. So, keep in mind that when in your lab with more advanced equipment available, do not stop short at these simple tests.
Gem Testing