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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

Famous Birthstone: December’s Turquoise Empress Marie-Louise Diadem

When we think of royalty, images of crowns, tiaras, and diadems instantly come to mind. Beautiful head ornaments intricately crafted in gold and encrusted with rare gemstones were once used as symbols of nobility, status, and the right to rule. They dazzled onlookers with their splendor, and even though royal families may have faded in political power, their relics continue to captivate. (more…)

Famous Birthstones: Peridot – The Green Goddess

The August birthstone is sometimes referred to as the extreme gem due to the fact that peridot is found in volcanic rock and meteorites. The word peridot comes from the Arabic faridat which means gem.

Do you have an August birthday and call peridot your birthstone? Celebrate this month in style with a look at one of the world’s finest peridot gems, The Green Goddess. (more…)

Famous Birthstone: Pearl – La Peregrina

Many of us share a timeless attraction to pearls— it’s a deep admiration that extends across cultures and continents. Maybe it’s because pearls are associated with water, a fundamental element of life. Or maybe it’s because this June birthstone comes from a living thing. Natural pearls are highly sought after due to their rarity. For those who prefer cultured pearls, you’re in luck: cultured freshwater and saltwater pearls are widely available, and in so many colors and shapes that there are pearls to suit a variety of tastes. (more…)

Famous Birthstones: Emerald – The Crown of the Andes

Emerald, widely regarded as the definition of green for hundreds of years, is the perfect color for spring. From the poetic description of Ireland as “the Emerald Isle” to the vibrant green of the famed gemstone itself—the May birthstone emerald has captured hearts and minds through the ages. (more…)

Famous Birthstones: Diamond

What makes a diamond famous? It may be its rarity or even its size. But more often than not, a diamond’s fame comes from its association with a person of historical influence. Learn about the world’s most famed diamonds, including those owned by the luminary Elizabeth Taylor, the British Royal Family, and the renowned Napoleon Bonaparte. With jewels such as these, April babies are honored to have the most beloved and sought after birthstone: the diamond. (more…)

Famous Birthstones: March’s Roosevelt’s Aquamarine

The hero of this month’s installment in GIA’s series on famous birthstones is the bluish-green aquamarine given to former First Lady Eleanor Roosevelt. The rough weighed a staggering 1.3 kilograms that yielded two gems when cut. The largest, a rectangular step cut stone weighing 1,298 carats, has an interesting political history. (more…)

Celebrating Presidents’ Day: The First Ladies and their Jewelry

Pay close attention the next time you see a First Lady wearing jewelry: she may be using it to send a message.

America’s First Ladies undoubtedly wear jewelry to look stylish, but sometimes they choose pieces to make a statement. Former Secretary of State Madeleine Albright said something a First Lady might have uttered: “Jewelry had become part of my personal diplomatic arsenal…I do believe the right symbol [jewelry] at the correct time can add warmth or needed edge.” Jewelry revealed her diplomatic intentions, the context of the negotiations, and the ultimate goals. (more…)

Famous Birthstones: Amethyst – the Duchess of Windsor’s Necklace

GIA presents February’s famous birthstone: amethyst as featured in the Duchess of Windsor’s amethyst necklace by Cartier. While the Duke and Duchess of Windsor commissioned many jewels, this stunning amethyst piece has both a love story and historic resonance behind it. (more…)