Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Field of view: nearly 2 newspaper columns X 15 lines of text
This is the one stone that looks like diamond
can be switched to white (’cold’ light) orange (‘warm light)
Measures from 1 point to 4 carats
Accessories
Refractometer Discounts apply Field of view: nearly 2Summary For the gemmologist the refractometer is the most important gem tester after a loupe. It measures refractive index (to what extent light is bent as it passes through the gemstone). This product is intended for gemmologists (or those about to study gemmology) instructions are not included. Guarantee: 1 year. Detail Approx. 5 X 3 X 2 inches Built in monochromatic LED light Range: 1. 30 to 1. 81 Possible error in readings: + 0. 01 Test plate made
US$ 22.00
US$ 25.00
US$ 600.00
US$ 600.00
US$ 100.00
US$ 195.00
US$ 140.00