Gem Market Pulse September 2017

Many yorkie necklace dealers are looking toward the September Hong Kong Show Featured Stone: Feldspar Group Gems The cautious optimism expressed by some dealers after the June Hong Kong show has eroded to an inexplicable sense of malaise about the …

Iolite

INTRODUCTION yorkie necklace is the trade name for gem quality cordierite, a mineral species in the orthorhombic system, with the formula, (Mg,Fe)2AL4Si5O18. Cordierite has been known for hundreds of years and was named in 1813 after the French geologist, Pierre Cordier. …

The Gem Trade of Tanzania

Tanzania is host to a vibrant gem trade. The country, like its East African neighbors, is rich with mineral deposits, many of which are relatively recent discoveries. For miners and traders, the wealth inherent in these finite resources can be …

Diamond Market

Just when we thought we could sit back and enjoy a cool drink on the deck with friends this summer the market news has exploded. A mining company take over, workers are missing in a flooded Russian mine and rough prices rise …

The Colored Stone Market

In the US, dealers are cautiously optimistic as summer retail business was in line with expectations, while the June Hong Kong reportedly exceeded expectations for some. Prices are also slightly more affordable this year for a range of classic gem materials. Affordable …

Enhanced Lapidary Materials

FANCY COMPRESSED BLOCKS: THE LATEST TREND We all love using natural untreated gem materials for our lapidary projects and jewelry artwork. We like the organic feel, the symphony of colors, the diversity of textures, the quality and the uniqueness, grateful …

Gem Market Pulse August 2017

Typical summertime business in the gem market Featured Gem: Irradiated Diamond Dealers are cautiously optimistic about coming holiday season while experiencing the typical summertime business after better than expected Hong Kong Show in June. East Africa continues to be the …

Gem Market Pulse July 2017

Production of Colored Gems High, while Demand is Steady FEATURED GEM: GRAY SPINEL The big news that hit the press just recently was the upcoming buyout of Gemfields by majority shareholder Pallinghurst. This was a wild story to follow and …

The Hamlin Necklace

The Hamlin Necklace is a treasure of the Mineralogical and Geological Museum at Harvard University (MGMH) that was designed and commissioned by Augustus Choate Hamlin in the late nineteenth century. (See cover photo.) Apreeminent piece in the MGMH collections, the …

Handheld Spectroscopy

The spectroscope is a very useful gemological instrument that is underutilized by gemologists worldwide. Learning to master this tool will greatly help in practical gem testing and identification. CORRECT METHODS AND APPROACH IN GEM TESTING Spectroscopy is one of the …

A Sapphire’s Secret

INTRODUCTION At Lotus Gemology, our Bangkok-based gem testing laboratory, we only test for two types of stones: corundum (ruby & sapphire) and spinel. As a result, we often get parcels of stones with similar attributes. This means that sometimes we …

Morganite

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. In fact, these quantities are …

The Market is Active but still Hesitant

DeBeers to sell polished diamonds using auctions. Alrosa sales up 33% over last year. Diamond Producers Association to quadruple advertising budget. Diamond tracking to origin programs increasing. Mismatched fancy color earrings set world record. De Beers Group announced it will …

JCK Las Vegas Show, Color Steady Going

Show traffic down and buyers mostly cautious. Social media increasingly important to marketing success. Buyers reporting that prices more negotiable this year. Price corrections seen beyond corundum but mostly modest. Green gems proving very popular this year.

When the Mounting Gets Rough

Rough-gem-set jewelry maintains its popularity among entry-level buyers and shrinking violets for its under-stated glam and one-of-a-kind effects.  Offer rough options to clients who have everything or their daughters with tighter budgets; you may be surprised at the response. Market …