Beryllium Diffusion Treatment in Sapphire: Color, Value, and Disclosure
Two years ago, a friend traveled to Thailand on business. Through a local intermediary, he purchased a yellow sapphire ring from a…
Transparency Standards: We evaluate heat treatment based on permanent stability and market disclosure. Transparency regarding these standard enhancements is our baseline for building long-term collector trust.
Two years ago, a friend traveled to Thailand on business. Through a local intermediary, he purchased a yellow sapphire ring from a…
Ruby and sapphire have long been important colored gemstones in the market. Natural gemstones often contain inclusions, fractures, or uneven color. As…
“Gold has a price, but jade is priceless.” Are you drawn to the soft glow and timeless charm of jadeite, yet find…
Have you ever wondered why the Tourmaline gemstone is often called the rainbow stone? The name comes from the ancient Sinhalese word…
When you admire a piece of gemstone jewelry, you’re often captivated by its dazzling color. Yet, it’s the precision of gemstone cutting…
In 2020, a remarkable story from Tanzania captured the world’s attention: a humble miner discovered two enormous Tanzanite gemstone, weighing 9.3 kg…
Ever wondered why some rubies look stunning while others seem dull, even with the same price tag? The truth is, not all…