It varies hugely with the type and quality of opal. In general the black opal (lights against a dark background) is more expensive than milky opal (lights against a creamy background). But opals are very individual, and prices depend on the appeal of a particular stone as presented, or a cutter's eye for its potential.
The pink opal cost 200,000,000
Australian opals are known for their vibrant play-of-color, while Ethiopian opals typically exhibit a more honey-like coloration with flashes of red, orange, and green. Ethiopian opals are also generally more translucent than Australian opals.
The cost of an opal birthstone varies depending on factors such as size, quality, and origin of the stone. On average, you can expect to pay anywhere from $50 to $500 for a small to medium-sized opal birthstone. Higher-quality opals or larger stones can cost significantly more.
Australia is well known for its opal mines.
Opal Dreams grossed $14,443 worldwide.
Coober Pedy is an opal mining town in the outback of the state of South Australia.
It depends how many carats it weighes, a carat in jewelery is about a twentieth of a gram, or 0.2grams. Another factor to how much it is worth is what type of opal it is, there is fire, blue, black and white, (but black being the most of value)all known as precious opal. One other thing is what metal and how many karats it is. Say if it is old weighing 14kts, it may be worth over $500, an opal in zinc, may be worth only $150. But it all matters about the stone. Finally is it's color, clarity, and sometimes it's transparenty.
We need more information about the opal before an approximate value can be made. 76.8 grams is large... is this a solid opal or does it have cantera around it? Value depends on the clarity, color and type of fire... it may be worth thousands of dollars or fifty or less - depends. MexicoGemstones.com
The most expensive opal ever recorded is the "Olympic Australis," a rare black opal found in Australia. It was valued at around $2.5 million and weighs approximately 17,000 carats. This opal is known for its stunning play of color and rarity.
Opal Dreams grossed $14,443 in the domestic market.
The refrigerator, the pop rivet, An Australian developed Penicillin. Ulluru, The Sydney Opera House. The Boomerang. the kangaroo. the Koala. Opal. Ned Kelly Don Bradman
A price of a real opal necklace can vary, depending on the size of the necklace and where one would purchase it. Some opal necklaces can be purchased for $100, where others can cost in the thousands! The average price would have to be around a couple hundred dollars.