What would you say this is worth per carat? : r/Opals
Over the Rainbow - Jewelry Connoisseur
Opal Stone Price around the World - Genuine Opal Jewelry - Buy Direct!
Is Australian Opal Expensive? The Truth About Australian Opal Prices and Value | Opal Auctions
15.16 ct gem black opal 21.8x15.8x6.4mm - Black Opal Direct
4,990-Carat 'Fire of Australia' Opal Valued at $686,000 Illuminates South Australian Museum's Front Foyer - Kingston Fine Jewelry
12.54ct Australian White Crystal Opal Platinum Ring | Burton's – Burton's Gems and Opals
Australian Crystal Opal 1.8 Carats 6942
How is Opal Valued? | Opals Down Under
The Value of Australian Opal: What Is Opal Worth – Black Star Opal
Natural Opal for Sale | Certified Opals in Stock
Natural Unheated & Untreated Oval 6.25 Carat Australian Opal, For Astrology, 7.00 Ratti at Rs 1000/carat in Jaipur
3 carat White Fire Opal Cabochon – Colonial Gems
How would you price this Queensland australian opal ? 3.5 carats : r/Opals
How much does 1 carat opal cost? - Quora
12.83ct Quilpie, Australian Boulder Opal Stone | Burton's – Burton's Gems and Opals
Opal — Australian Opal Centre
Australian Black Opal, Lightning Ridge, 1.37 Carats - Etsy Israel
The Value of Australian Opal: What Is Opal Worth – Black Star Opal
Is Australian Opal Expensive? The Truth About Australian Opal Prices and Value | Opal Auctions
How is Opal Valued? | Opals Down Under
White Opal from Lightning Ridge | Black Opal Direct
Why Black Opal Is One of the Most Expensive Gemstones in the World
Opal Gems: Value, Price, and Jewelry Information - IGS
Opal Prices Set To Increase May 2013 | Opal Auctions
