Lab Created Helenite Cushion Faceted Loose Gemstones Fine Cut AA+

Description

since 1989
All genuine Optima Gem products come with our certificate of quality and authenticity upon request.
Optima Gem is a US based small business that has provided honest, accurately graded gemstones for over 30 years. Satisfaction Guaranteed.
We are an Equal Opportunity Employer that promotes fair ethical business practices worldwide from the gem mine to your door.
Our gems are calibrated for easy design for the artist and use in standard settings by the jeweler, goldsmith or silversmith.
Need more quantity? Just ask. We limit availability to prevent being oversold. We offer volume discounts and free matching.
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Detailed Product Description:
Beautiful material created using the volcanic ash from the eruption of Mt. St. Helens. Helenite is an abandoned trademark name and all Helenite is created by man and there is no equivalent natural counterpart. The closest natural materials are Obsidian and Volcanic Glass which are commonly black in color. The material used for our gems is no longer produced and therefore implies some rarity, but it should be noted that similar material can be reproduced at any time.
Fine Cut = Precision cut or visually imitates a precision cut. These stones have equal and symmetrical faceting with proper cutting angles ("critical angle') and depth. Depth is between 60% and 70% of size listed. Size can vary +-0.1mm.
AA+ = face up eye clean, any inclusions will not be visible to the eye when set