2023年10月13日 · How Much is Opal Worth? The price of opal ranges from less than a dollar to more than $8,000 per carat. The value of opal depends on several factors such as its quality, color, and brightness. Fine-grade opal often commands a high price, considered as a sought-after luxury gemstone.

2025年1月2日 · Knowing the factors can help you determine Opal’s worth and cost. The most popular opal types, colors, and prices are shown here. Opal values by color

2023年7月19日 · An opal’s price comes down to a variety of factors, all of which we’ve broken down in this guide to opal grading and prices. Learn all about opal grading and the prices of each type of opal!

2022年12月25日 · Opal can fetch such high prices that some stones are even more expensive than diamonds per carat! Rare black crystal opals can sell for thousands in their natural state, and can even be found in museums across the world! In this post, we’ll discuss just how much opal is worth, explore how natural opal is graded and explain the value of opals:

The higher percentage of the surface with colors versus the "brown" matrix is what the price and brightness of the gemstone are based off. Blue greens are much more common, while a red gemstone definitely raises the price. Please note these are retail prices. Prices are typically quoted per piece, not carats.

OPAL VALUATION CHART – ALL PRICES ARE PER CARAT* CATEGORY AUD Aus USD USA GBP brit HUF Hung EURO France EURO german EURO Nether EURO Spain EURO Finland EURO Italy YUAN Yuan YEN Yen ROUBLE Russian WHITE OPAL 1 10 7.17 5.49 2,005.00 6.32 6.32 6.32 6.32 6.32 6.32 48.52 793 471.78 2 20 14.34 […]

Opal is an amorphous form of silica, chemically similar to quartz, but containing 3% to 21% water within its mineral structure. Gem grade opals usually have 6% to 10% water content. Opal is a sedimentary stone. Under the proper conditions, water percolates through the earth, becoming rich in dissolved silicates.

2024年11月4日 · Answer: Black opal is among the most valuable and sought-after types of opal. Prices for black opal can range from $50 per carat for lower quality material to over $10,000 per carat for the best quality specimens with a brilliant play-of-color and clarity.

2020年10月15日 · An opal’s price comes down to a variety of factors, all of which we’ve broken down in this guide to opal grading and prices. Learn all about opal grading and the prices of each type of opal!

2024年1月26日 · Understanding opal’s value involves more than just admiring its play-of-color. Factors like type, color, clarity, and carat weight play significant roles in determining its price. Let’s dive into the world of opals and uncover what makes them …