This Songea sapphire is a bit of a bi-color and has a moderate to strong color change from an olive green or blue green under daylight LED bulbs to a…
Polishing sapphire gemstones can be tough on laps. Learn the pros and cons of different laps and some techniques to save time and money.
A verry pretty sapphire that usually displays a stunning grape purple color, but also can shift toward blue or pinkish at times .
This stone has nice color and overall good clarity. There is a flaw that surfaced on the crown in the lower left of the photo, but I’m not able…
This sapphire is untreated and shows a slight to moderate color change toward pink in some indoor lighting, which is very rare for a Montana sapphire.…
A very pretty sapphire with a sometimes purplish Ceylon blue color. It has a few thin veils and a tiny bit of silk, but as you can see from the video below,…
A gorgeous, sparkling sky blue natural sapphire.
Color change sapphires are those that change color between light sources.