Gem Diamonds bucked the trend in the depressed global diamond industry during the September quarter thanks to the sale of six large diamonds of which four were greater than 100 carats. The six ...
View Full Image A Colombian emerald and diamond necklace which is part of ... driving force behind the growing interest in coloured gemstones. Stones like tanzanite have gained value and ...
The rarity of precious gemstones comes down to the geologic process of their formation. Sparkling diamonds and verdant emeralds are some of the most coveted and priciest gemstones. But which ...