Please ensure Javascript is enabled for purposes of website accessibility.
Search
Search
Search

GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

Emerald vs. Diamond: What Are the Similarities and Differences?
When choosing between an emerald or a diamond, it's important to understand their unique attributes, pricing considerations and suitability for everyday wear.
Diamonds vs. Pearls: What Are the Similarities and Differences?
Diamonds and pearls have timeless allure. What should you know before choosing between diamonds and pearls?
Moonstone: A Gem to Celebrate the Moon

According to Hindu mythology, moonstone is made of moonbeams! And it’s easy to see why so many cultures also associate the gem with moonlight. Read on to learn all about this remarkable gem, including what gives moonstone its other-worldly glow. (more…)

GIA Green Gemstones Buying Guide

Want to spice up your look? Then consider adding green gemstones to your wardrobe. These perennially beautiful gemstones evoke new life, so you’ll look radiant – regardless of the season. Use our guide to find your perfect green gem! (more…)

Pearl Jewelry Essentials: Five Easy Pieces

If you’ve never uttered the word “wardrobe” in the same sentence as “pearls,” now might be a good time to start.

(more…)

How to Travel Brazil: Gemstones Edition

Brazil is a tropical locale well-known for exotic animals and plants, futból, sandy beaches, and jungle-clad mountains. Some of these mountains rise like monuments in the middle of cities, such as Sugarloaf Mountain in the ever-colorful and playful Rio de Janeiro. The country also contains the renowned Amazon River, not to mention superb gemstones in a kaleidoscope of saturated, luscious colors.

(more…)

Van Gogh’s The Starry Night and the Starry Night Sapphire

July 29th marks the 125th anniversary of the passing of Vincent van Gogh (1853-1890). GIA offers a tribute to the great artist by celebrating his beloved painting, The Starry Night, and its dazzling companion piece, the Starry Night Sapphire – a 112 carat star sapphire.

(more…)

Hot Gemstones

We’re always on the lookout for trends, and we spotted a fun one. Several gemstones that never had much cachet are now in vogue. These beauties have been showing up on the runway and in fashion magazines.

(more…)

Gems in a Jurassic World

Jurassic World is about to roar through theaters, and that made us nostalgic for the original movie, Jurrasic Park (1993) – especially the memorable scene where scientists extracted dinosaur blood from a mosquito trapped in amber.

(more…)

Gemstones: Natural Treasures to Celebrate Earth Day

Happy Earth Day!  How grateful we are to the Earth for the basic elements that sustain our lives and the natural beauty that makes life worth living.  Among Mother Earth’s many wondrous gifts are rare rocks and gem crystals  – treasures that form deep beneath her surface. When fashioned and polished, they become the strikingly beautiful gemstones that have captivated mankind for millennia. Gemstones in their rough, unpolished form have an intrinsic beauty of their own, hinting at the potential of what they can become.

(more…)

Gems and Ultrasonic Cleaners

If you love your jewelry, you’ll want it to always look as stunning as it did when it was new.

Ultrasonic cleaners can restore the beauty of your bejeweled treasures. These machines generate high-frequency sound waves that travel through water or a cleaning solution creating heat and pressure. Ultrasonic machines can effectively clean jewelry by dislodging dirt and debris from behind gems and other hard-to-reach places. (more…)

Winter Blue Gemstones

In the midst of the winter season, give a loving look at our favorite blue gemstones and jewelry. From a blue star sapphire to a vivid blue diamond, each of the featured blue gemstones below promises a cool blue hue to take you through the rest of the winter. (more…)