Lab Ruby Med. Pink 3mm, Trillions(5pc)

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Beautiful Pink ruby, 3mm trillion shaped corundums. Price is for 5 stones Recommended Setting: Prong (optimal) Embeddable Fireable: Firing of these stones is possible. Corundum has a very high Mohs scale rating providing protection against heat.Test fired up to 1400 F, they retain their color and quality for 1/2 hour. Result may vary depending on the firing temperature with slight color changes of the stone possible. Precaution against thermal shock required. Show more