Cubic zirconia can be produced in almost any color. Pink and yellow CZs can be used as convincing pink or yellow diamond imitations. Other color CZs make good imitations of darker red, purple, blue, ...
Blocks of it wash up on Diamond Beach — or "Breiðamerkursandur" in Icelandic — where they glisten like gemstones strewn across the black sand, according to Guide to Iceland. The "diamond ...
A topic that often comes up is whether a particular gemstone is or isn’t treated ... The most commonly encountered irradiated gems include: Diamond – Neutron and electron radiation are the most common ...