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Entries in Coloured Diamonds (23)

Tuesday
Aug122014

Superannuation & climate change is a ticking time bomb that puts almost every Australian at risk

http://www.couriermail.com.au/business/companies/superannuation-and-climate-change-is-a-ticking-time-bomb-that-puts-almost-every-australian-at-risk/story-fnkjk9kn-1227021454513

 



Monday
Nov052012

Equity Markets or Fancy ARGYLE Pink Diamonds?

Mandy Drury was standing in front of the big board of about 450 stocks at the CNBC studio. All stocks were heavily in the red. The market was down over 200 points. There was an air of nervousness as we were witnessing the worst selloff in the market in four months.

The market seemed to be paying homage to the 25th anniversary of Black Monday, the 19th of October, 1987, when the Dow Jones Industrial Average (DJIA) dropped by 508 points to 1738.74 (22.61%).

I thought, nothing out of the ordinary had transpired - General Electric and McDonald’s missed analyst expectations, notwithstanding that they still reported respectable earnings. It was Google though that really made people sit up

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Wednesday
Oct312012

PRICE OF ARGYLE PINK DIAMONDS CONTINUES TO RISE

The strong prices generated by the recent Rio Tinto 2012 Argyle Pink Diamonds Tender provided further evidence of the increasing value of the rare gemstones.

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Friday
Oct122012

Scientists find diamond planet

This artist's rendition released by Yale University shows the interior of 55 Cancri e, located 40 light years from Earth revolving around a star in the Cancer constellation. Source: Supplied

TWINKLING stars are not the only diamonds in the sky. Scientists have reported the existence of a "diamond planet" twice the size of Earth, and eight times its mass, zooming around a nearby star.

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Thursday
Aug232012

CLARITY TREATMENTS IN DIAMONDS: LASER DRILLING AND INTERNAL LASER DRILLING

 

16.08.12

By Yehuda Yakar, GG GIA, Chief Gemologist at GCI

 

 
 

 

All natural diamonds have faults that could negatively influence their gemological rating and financial value. Diamond cutters can remove some of the clarity faults, but some flaws demand a different treatment, one which has techniques developed since the 1970s to nowadays. Every treatment that a diamond undergoes must be disclosed at every stage. Anyone who violates this obligation is breaking rules which apply to members of every diamond bourse and association in the world. In some cases, it is even illegal not to disclose.

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