5x3 to 16x12mm Montana Amethyst Ovals
Montana Amethyst Ovals available in the following sizes. Please click on the stone size option for pricing. Price listed is for each stone.
To learn more about the story behind this gem, visit the Montana Amethyst Gem Facts Page.
5x3mm - .15 Avg carat weight
6x4mm - .39 Avg carat weight
7x5mm - .69 Avg carat weight
8x6mm - 1.08 Avg carat weight
9x7mm - 1.66 Avg carat weight
10x8mm - 2.36 Avg carat weight
11x9mm - 3.21 Avg carat weight
12x10mm - 4.39 Avg carat weight
14x12mm - 7.23 Avg carat weight
16x12mm - 8.91 Avg carat weight
How your purchase supports the supply chain.
Every purchase you make with Columbia Gem House supports a responsible supply chain. We work with individual miners and cutters, while offering careful consideration and respect to the cultures, communities, and environments in which our gems are produced. These are some of the key guiding principles in how our gems are brought to market. To learn more about our process, visit our Fair Trade Gems® Principles & Protocols page.
