Dia2.5 x 3mm CVD हीरा सिलेंडर ऑप्टिकल ग्रेड शीर्ष और नीचे (100 अभिविन्यास) पॉलिश।

Video Description:
Discover the Dia 2.5 X 3mm Colorless CVD Diamond Cylinder, an optical-grade gem with top and bottom polished surfaces. Perfect for optical windows, sensors, and thermal spreaders, this high-performance diamond offers low nitrogen content and VVS purity. Custom sizes and shapes available for OEM and ODM needs.
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