Black opal is one of the rarest gemstones in the ... And the price of larger stones has risen by as much as 25 times. In 2000, jewelry company Le Vian capitalized on the underappreciated naturally ...

sustainable jewelry. Scribe's Rainbow Compass Signet Ring spells out LOVE STORY with labradorite, opal, violet amethyst, ... [+] emerald, sapphire, turquoise, opal, ruby and yellow sapphire.