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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

diamond ring
What is a Solitaire Setting?

A diamond solitaire refers to any piece of jewelry with a single diamond. Diamond solitaires can be a ring, necklace, earring or even men’s jewelry. They have come to mark some of the most significant occasions in one’s life, like sweet-sixteen, anniversaries, and the most notable, an engagement proposal. (more…)

pearl necklace
Pearls are Regarded as Symbols of Wealth and Power

The June birthstone, the pearl, has a long and rich history. For many young women, pearls are just something you wear when you wanted to look classy and put together. But the unique creation of the pearl, the only gem made from a living creature, tells us that this is an incredibly special little sphere. (more…)

anatomy of a diamond
Why Cut Matters (Part 2)

When a diamond interacts with light, every angle and every facet affects the amount of light returned to the eye. The sparkle of a diamond, then, has everything to do with how well the cut of the diamond was planned and executed. Although a diamond’s value is based on its unique combination of color, clarity, cut, and carat weight (the 4Cs), a diamond’s cut is the most complex to assess, and it’s the only component that can be directly affected by the diamond cutter. (more…)

Comparison of a dirty and clean diamond
How to Clean Your Diamond Jewelry

Diamonds are among the hardest natural minerals on Earth, yet they require special care to keep them shining and looking their absolute best. In fact, a diamond’s sparkle can be lost by the mere touch of a finger, which can cause dirt to collect on the diamond. (more…)

The Diamond Cutter’s Art (Part 1)

Most consumers don’t realize the long, complicated, precarious journey a diamond takes from its humble beginning amidst tons of rock in the Earth to its sparkling transformation in a jewelry store counter. An especially critical point in the diamond’s journey is its time with the diamond artisan, who must cut the diamond to maximize its beauty. (more…)

Understanding Diamond Fluorescence

Have you ever noticed the term “Fluorescence” on a GIA Diamond Grading Report? Did you know that some, but not all, diamonds show effects under ultraviolet light?

For most people who purchase diamonds, fluorescence will be a non-issue, but some might be confused by the term. Below are commonly asked questions, and helpful answers from GIA researchers who have studied fluorescence in depth. (more…)

May Birthstone: The Brilliant Green Emerald

May’s birthstone is the brilliant, green emerald. Legends gave the emerald the power to make its wearer more intelligent and quick-witted and its the gemstone for 20th and 35th wedding anniversaries. It was once believed to cure diseases like cholera and malaria, and its color reflects new spring growth, which makes it a perfect choice of a birthstone for the month of May. (more…)

Fancy-Color Diamonds

When it’s time to buy a diamond, many people spend a lot of time educating themselves on the 4Cs of diamond quality, and then determining what the personal trade-offs between those various quality characteristics will be. (more…)

The April Birthstone Sparkles and Shimmers

Shimmering with an internal fire all its own, diamond is one of the world’s most sought-after and adored gemstones. (more…)

All About Birthstones: Garnet for January

The garnet is actually a group of several minerals that have been used since the Bronze Age as gemstones and abrasives. There are six common garnet minerals – and several other rare species. The most common garnets are  almandine, andradite, grossular, pyrope, spessartine and uvarovite The name “garnet” comes from 14th century Middle English word gernet meaning ‘dark red’, (more…)

Synthetic gemstones
What are Synthetic Gemstones?

Contrary to what many people may think, the word “synthetic” does not mean fake when it comes to gemstones. The term actually comes from the Greek word for “to put together.” People “build” or, more accurately, “grow” synthetic crystals. (more…)

All About Birthstones: Opal for October

October babies have the pleasure of enjoying two birthstones to commemorate their birthdays – tourmaline and opal. Last time we wrote about pink tourmaline, and now we’re going to share with you about opal. (more…)