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Corundum: The Mineral That Gives Us Ruby and Sapphire – A Complete Guide
Discover corundum, the mineral behind ruby and sapphire. Explore its chemistry, colors, geological origins, treatments, optical phenomena, value, and buying factors.
Diamond Fluorescence: The Complete Scientific Guide to Understanding Diamond Glow Under UV Light
Discover the science behind diamond fluorescence, the defect centers that create blue, green, orange and red glow, how fluorescence affects value, and its role in diamond identification.
Alexandrite: The Gemstone That Changes Color –
Discover alexandrite, the rare color-changing gemstone known as “emerald by day, ruby by night.” Explore its science, origins, rarity, value, care, and June birthstone meaning.
Tourmaline: A Gemstone in Almost Every Color – The Complete Guide to Earth's Rainbow Treasure
Discover tourmaline, the Rainbow Gemstone, including its colors, varieties, Paraíba rarity, value factors, geological origins, properties, and October birthstone meaning.
Sri Lanka: The Island of Beautiful Gemstones
Discover why Sri Lanka is called the Island of Gems, from Ceylon blue sapphires and rare Padparadscha to alexandrite, spinel, garnet and moonstone.
The Guide to Types of Diamond Rings: From Solitaires to Eternity Bands
Discover the different types of diamond rings, from classic solitaire and halo designs to three-stone, pavé, cluster, eternity, and Toi et Moi rings. Learn their meanings, benefits, styles, and how to...
The Solitaire Diamond Ring: A History of the World's Most Iconic Engagement Ring
Discover the history of the solitaire diamond ring, from Ancient Rome and the 1477 royal engagement to Tiffany's 1886 setting. Learn its symbolism, styles, 4Cs, settings, metals, and buying tips.
The Ultimate Guide to Gemstone Cuts: From Brilliant to Cabochon
Discover the most popular gemstone cuts, from Brilliant and Emerald to Rose, Trillion, Heart, Fantasy, and Cabochon cuts. Learn how cut affects gemstone sparkle, color, durability, value, and jewelry...
Fancy-Shaped Diamonds Continue to Shine: The 2026 Market Revolution
Discover why fancy-shaped diamonds are outperforming round diamonds in 2025. Learn about Oval, Marquise, Emerald, Radiant, and Cushion diamond trends, pricing premiums, consumer demand, global supply,...
Australian Opals: Nature's Most Colorful Gemstones
Discover the fascinating world of Australian opals, from rare black opals of Lightning Ridge to white opals of Coober Pedy and boulder opals of Queensland. Learn how Australian opals form, what create...