Montana Sapphire Stud Earrings Value Guide

- Period
- 1990-2010
- Origin
- United States
- Materials
- Montana Sapphire, 14kt White Gold
- Category
- Sapphire earrings
These Montana sapphire stud earrings represent the only gem-quality sapphires produced in significant quantities in North America, specifically from the Missouri River gravels. Their distinctive teal and 'steel blue' luster makes them a highly sought-after alternative to traditional cornflower blue sapphires.
What Is Montana Sapphire Stud Earrings Worth?
The typical price range for Montana Sapphire Stud Earrings is $1,400 - $1,540 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:
- Color saturation, with vibrant teal and deep steel blue commands the highest market premiums.
- The total carat weight and precision of the round-cut facets significantly impact the $1,400-$1,540 valuation.
- The quality and integrity of the 14kt white gold four-prong settings.
- Historical provenance linking the stones to the famous Missouri River mining sites.
How to Identify Montana Sapphire Stud Earrings?
- Look for the signature 'steel blue' or teal hue characteristic of Missouri River deposits.
- Verify the 14kt white gold hallmark on the four-prong mount and earring backings.
- Examine the round-cut stones for the high clarity and brilliance typical of 1990-2010 era Montana specimens.
- Check for the absence of the 'silk' inclusions common in basalt-hosted sapphires, as Montana river stones are often cleaner.
History of Montana Sapphire Stud Earrings
Montana sapphires were first discovered in the 1860s by gold miners working the gravels of the Missouri River. Known for their unique 'steel blue' and teal lusters, they gained international fame when Tiffany & Co. began featuring them in the late 19th century. They remain the only gem-quality sapphires produced in significant quantities in North America.
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