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ICGA Honors Jerry Sisk

Jerry Sisk, late president of Jewelry Television, has received the Lifetime Achievement Award from the International Colored Gemstone Association.

The organization honored Sisk’s work and dedication to the industry posthumously in Chansha, Hunan, China on May 16.

Sisk, who died Jan 13, was a Graduate Gemologist (G.I.A.), a member of the International Colored Gemstone Association, and served as a Gemstone Industry & Laboratory Conference committee member.

A frequent guest speaker, he was honored to be chosen as one of the five most powerful people in the world of gems and gemology on the JCK 2012 Power List. His book, “Guide to Gems & Jewelry,” has sold more than 15,000 copies and is in its second printing.

Centurion South Beach Sets October Dates

Centurion South Beach will take place October 5-7 at the Ritz-Carlton South Beach Hotel at 1 Lincoln Road, just off Collins Ave. and short walk from the Miami Beach Convention Center, home of the concurrent JIS Miami Beach show.

The show will feature more than 50 top designers and manufacturers in the elegant Ritz Carlton Ballroom in expanded space and a new white salon scheme created by Csi etc., Centurion’s Scottsdale show decorator. “

The new look will give exhibitors more than 60 percent more space in which to work with their retailers,” said Centurion president Howard Hauben.

For a complete exhibitor list and register, visit www.centurionsouthbeach.com.

IGI Sending Diamonds to the Moon

The International Gemological Institute is a new patron of Moon Arts, a Carnegie Mellon program that aims to advance the presence of human culture in space and facilitates never opportunities for art and exploration.

IGI is providing various loose diamonds – ranging from melee to one-carat in size – to be micro-engraved with art and, ultimately, sent to the moon as part of a mission planned for 2015.

Diamonds were chosen to be part of the art project because they are extremely durable – allowing for detailed inscription – yet lightweight – ideal for space cargo.

The IDEX Online Polished Price Report for May 16

Round goods in smaller sizes continued to show stability and some rises, while there was a range of declines in large diamonds, according to this week's IDEX Online Price Report.

Meanwhile, prices of fancy shape diamonds in smaller sizes were largely unchanged, while larger goods showed a range of price rises.

The following shows some of the changes in this week's IDEX Online Diamond Price Report.

Rounds

• 0.18-0.22 cts high color, good clarities increasing
• 0.23-0.29 cts D / SI2 +3.5%
• 0.30-0.39 cts some rises inmid-colors in mid-range
• 0.40-0.44 cts G-H / SI1 +3.1%
• 0.45-0.49 cts E / SI2 +2.6%
• 0.50-0.69 cts M / I1 +5.0%
• 0.70-0.79 cts H / VVS1 -2.7%
• 0.80-0.89 cts L / I2 rising strongly
• 0.90-0.99 cts many changes
• 1.00-1.24 cts G / IF-VVS1 declining
• 1.25-1.49 cts M / VVS1-VVS2 price declines
• 2 cts H-K / I2 increasing
• 3 cts KLM / I1 many changes
• 4 cts D-E / I2 declining
• 5 cts E / VS1-VVS2 declining

Fancy Cuts

• 0.18-0.22 cts D / VVS1 +3.2%
• 0.23-0.29 D / SI1 +2.2%
• 0.30-00.39 cts D / VS1 +2.4%
• 0.40-0.44 cts E-F/ SI3 some increases
• 0.45-0.49 cts some mid-range goods showing rises
• 0.50-0.69 cts G / I1 -3.1%
• 0.70-0.79 cts I / VS1 -2.9%
• 0.80-0.89 cts I / SI3-I2 rising
• 0.90-0.99 cts high color mid-clarity goods increasing
• 1.00-1.24 cts E-G / SI2 largely unchanged
• 1.50-1.99 cts some lower-color high-clarity goods rising
• 2 cts F / IF -3.1% to $2,200 p/c
• 3 cts J / unchanged
• 4 cts D-F / VVS1-VS1 many rises
• 5 cts K-M / VS1 rising

To receive a full free copy of the IDEX Online Diamond Price Report, please email  This email address is being protected from spambots. You need JavaScript enabled to view it. .

Edahn Golan is Editor-in-Chief of IDEX Online, heading an international team of writers that covers global industry related events and issues. He writes about rough and polished diamond prices, publishes industry analysis articles and a popular weekly opinion column. In recent years, Edahn has advised a number of leading diamond firms, industry bodies and governmental agencies. He writes research papers on topics ranging from provenance analysis of fancy color diamonds to diamond's contribution to local economies, often contributing or writing the diamond chapters for leading research organizations such as KPMG and Bain & Co.