Pink and blue diamond are especially popular and have been sold at higher dollars per carat than any other loose gemstones in history. Red, green, and purple diamond fashion are among the rarest of the rare.
GIA Certified Diamonds measured by carat weight. Normally, people want the biggest diamond fashion they can get. But technically, bigger sized diamond fashion usually suffer in quality, such as a loss in brilliance.
The anniversary rings Exchange have the worlds largest diamond fashion trading hall, which is equipped to accommodate more than 1,000 people at a time.