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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
These are lab created sapphires which were grown for use as a sensor window in the F35 fighter jet but didn't meet spec
The smaller piece weighs in at 34g and measures 23
We funded the growth of a couple crystals to help advance the science and we're making it available to the community
which is over four times that of diamond
Smoky Moissanite, Loose Golden Grey Moissanite Gems Marked Letter:7mm Square Cut (avg 1.8ct) These are lab created sapphiresThese are faceted smokey golden grey moissanites with a color very similar to smoky quartz but much greater brilliance and durability. This is moissanite, also known as silicon carbide. It is an excellent gem, with incredible hardness (around 9. 25 9. 5) and greater brilliance and fire than a diamond. It is perfect for use in all kinds of jewelry. Though it is well known in the gem world it is also highly valued in the world of science and industry.
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