Tuesday, June 29, 2010
Colored diamonds like blue diamonds have become more and more popular in the 90s and they have maintained their fame up to these days mostly because of celebrities that are location up different trends in jewelry selection. As natural blue diamonds are rare they are also very luxurious, and blue diamond engagement rings are among the most exclusive options when buying diamond engagement ring, if not of course you go for some diamond imitation or choose to choose some lab created diamond.
When it comes to price of a natural blue diamonds then get ready you to spend a real fortune because (natural) blue diamond engagement rings cost in standard 10 to 50 times more than their white counterparts, and are therefore actually intended for people with the uppermost financial power. Like with many other colored diamonds infrequency and high demand result in very high price that only few people are prepared to pay.
Diamond engagement rings with deep blue color are surely amongst the most attractive diamond engagement rings but only few fortunate ladies have the freedom to wear these valuable stones while other can only dream of it or they need to be content with some simulation.
Blue colored diamond engagement rings also make very good asset, since natural blue diamonds are very rare, and in high demand they keep (and even increase) their value over time compared to white diamonds that in most cases lose their value as soon they get out of the diamond jewelry store.
Monday, June 21, 2010
There are a range of gemological institutes that assess diamonds and issue Diamond Gemological Reports, as well as measure and certify loose diamonds and diamond jewelry. Depending on your region, there are a number of highly regarded companies including the following listed below.
HRD - Hoge Raad Voor Diamant (The Diamond High Council). The officially recognized representative of the Belgium diamond trade and industry. HRD headquarters are situated in Antwerp, World Diamond Center.
GIA -Gemological Institute of America. Founded in 1931 in Los Angeles, the GIA formed and introduced the international grading system. Headquarters are still situated in Los Angeles.
IGI - International Gemological Institute. The oldest institute of its kind in Antwerp. Set up in 1975 with labs in New York, Bangkok, Mumbai and Tokyo.
GemScan - GemScan International was included in 1985 as an autonomous jewelry appraisal laboratory if gem identification. GemScan is based in Toronto, Ontario Canada.
AGS - American Gem Society Founded in 1934 by Robert M. Shipley who also founded the GIA. The AGS is based in Nevada, USA.
EGL - European Gemological Laboratory. EGL was initially opened in Antwerp in 1974, and now has laboratories in Antwerp, New York Los Angeles, Johannesburg, Paris, London, Israel and Seoul.
Monday, June 14, 2010
Champagne diamonds are in nature coloured diamonds that are fashioned in a wide range of colours from light straw to rich cognac.
The 4C's of colour, cut, clarity and carat weight apply to coloured diamonds just as they do to colourless diamonds apart from the intensity of colour, not lack of it, plays a greater part in the assessment.
Argyle Diamonds created the following scale especially for champagne diamonds. The diamonds are graded on a C1-C7 colour scale. C1 and C2 symbolize light champagne, C3 and C4 medium champagne, and C5 and C6 dark champagne. The fancy cognac diamond is graded C7.
Tuesday, June 8, 2010
Tuesday, June 1, 2010
The most famous diamonds in the world are Color diamonds. The Tiffany Diamond, which is yellow and the desire Diamond which is blue are colored diamonds. Color diamonds have a wonderful financial track record. The value has never decreased on extensive level in more than 30 years. Blue and pink diamonds have doubled every 5 years of a strong economy.