The most valuable black opal features bright red stone against a very black base. In the '80s and '90s, gem-quality brown diamonds were worth about $1,500 per carat, but now many sell for up to $ ...
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Antique enthusiast sparks envy with rare opal jewelry purchase: 'How does it feel to be Santa's favourite?'"I've gotten pretty good at recognizing the worthless stuff before I buy it." Antique enthusiast sparks envy with rare opal ...
Take your garnet, amethyst, aquamarine, diamond, emerald, pearl, peridot, opal, sapphire, ruby, turquoise or topaz birthstone up a notch with these luxury jewellery pieces Birthstones - gems ...
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