By: Jeffrey M. Bertman Graduate Gemologist   Opal, October's birthstone, is a curious mix of fire and water. The fire emitted by this [...]

By: Jeffrey M. Bertman Graduate Gemologist   Some men are no less passionate about wristwatches than women are about diamonds. Most men have [...]

By: Jeffrey M. Bertman Graduate Gemologist   Fans of the vampire-based Twilight fantasy romance films are probably already familiar with the black diamond-and-platinum [...]

By: Jeffrey M. Bertman Graduate Gemologist   A few decades ago, East African miners in search of the purplish-pink garnet known as rhodolite [...]

By: Jeffrey M. Bertman Graduate Gemologist   While not everyone can afford a 3-carat diamond, there are techniques that any woman can employ [...]

By: Jeffrey M. Bertman Graduate Gemologist   Although some people think that all gold is yellow, gold is often alloyed with other metals [...]

By: Jeffrey M. Bertman Graduate Gemologist   While most consumers think of diamonds in terms of carat (0.2 grams) weight, each carat is [...]

By: Jeffrey M. Bertman Graduate Gemologist   If you are looking to buy jewelry for a man, you can hardly go wrong by [...]

By: Jeffrey M. Bertman Graduate Gemologist   As lovers of fine jewelry increasingly gravitate toward white gold and platinum, they should know that [...]

By: Jeffrey M. Bertman Graduate Gemologist   Garnet, the birthstone for January, is actually a family of more than ten different gemstones with [...]