10 Most Expensive Opal Varieties in the World - Rarest.org
网页2022年6月16日 · A black opal’s body tone is highlighted by beautiful touches of bright colors, making this variety the most popular and most expensive opal on the market. Overall, be ready to spend $10,000 per carat for this pricey opal variety!
Top 20 Rarest Gemstones In The World (In Order By Value)
网页2020年2月1日 · 6. Black opal. The black opal is the most valuable member of the opal family. It boasts about every color of the rainbow and, at about $2,350 per carat, is far more expensive than other opals. The vast majority of black opals are found in Australia. Additionally, there is a type of black opal, the fire opal, that is worth even more
The World's 6 Rarest and Most Valuable Types of Crystals
网页4 天之前 · The changing colors, or play-of-color, is what makes black opal stand out. It can show many different colors like blue, green, red, orange, and purple, which makes it super interesting to look at. Black opals are among the most valuable opals, with prices often reaching into the thousands of dollars per carat due to their rarity and beauty.
10 Rarest Black Stones for Jewelry - Gem Faerie
网页2023年5月10日 · The black stones are consequently one of the rarest and most valuable gems. The primary source of black opal is the Lightning Ridge area of New South Wales, Australia, although the stone also occurs in other parts …
The world's rarest opal: Part 1 - Black Opal Direct
网页2017年7月31日 · The Eternal Flame – The World’s Rarest Opal. A mammoth 568 carats “The Eternal Flame” is the largest and most significant black crystal ever found. What makes it even rarer is its origin.
Black Opals: Everything You Need To Know + Evaluation Guide
网页2023年12月5日 · The Aurora Australis is considered the world’s most valuable black opal. Discovered at Lightning Ridge, Australia, it weighs a gargantuan 180 carats and exhibits a harlequin pattern of mostly blue, green, …
Opal Value: How Opals are Graded & Prices of Each Type - Opal …
网页2023年7月19日 · Black opals are the rarest, most valuable opal variety. They can be gray, black, or even dark blue sometimes, so they’re also called “dark opals.” Part of black opal’s value lies in the contrast between the dark background and bright play-of-color.
10 of the Rarest and Most Valuable Gemstones in the World
网页2020年5月6日 · Black opal is the rarest and most popular type of opal. It is also considered among the rarest of all gemstones. Almost all the world's supply of black opal is mined in Lightning Ridge in New South Wales, Australia. The main characteristic that will differentiate black opal from common opal is its body tone.
Black Opals - The rarest of Opal Jewellery - Opals Down Under
网页Gem Black Opals have nearly every hue of the rainbow set against a jet black to the dark greyish background. Six main elements define the value of a gem Black Opal, much like any other Opal: the rarity of the colour, structural pattern, brightness, directionality, clarity and weight are all taken into consideration when obtaining a dollar value ...
Opal Quality Factors | Types of Opal - GIA
网页Additionally, black opals are considered to be the rarest (white opals are more common). White Opal. An opal with a translucent to opaque white and other light color backgrounds (bodycolor) with play-of-color is called white opal. Fire Opal.