Search
Search
Search
Search

GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

watch-wheel

Sports cars and jewelry may not seem to have much in common, but take a closer look and you’ll see that they frequently share common design elements: sleek lines, polished metal, bold color palettes and more. These design choices project status, power, and affluence; qualities likely to appeal to men. (more…)

Art Deco platinum, sapphire and diamond pendant/brooch.

With the return of The Great Gatsby, which is in theatres now, we’re reminded of the Roaring Twenties, a time of prosperity in the United States. Skyscrapers sprung up in major cities, jazz rang out from speakeasies and Charles Lindbergh made the first non-stop transatlantic flight. It was a decade known for automobiles, radios, telephones, skyscrapers, and flappers. (more…)

Platinum and diamond engagement ring with channel set side stones.

When choosing an engagement ring, there is more to consider beyond gemstone types. We covered popular center stone settings, and now we’ll share with you a few side stone setting styles. There are many options designed to enhance the gemstone’s beauty while reflecting the personality and lifestyle of its wearer. (more…)

Archduke diamond

On November 13th, 2012 Christie’s Geneva auctioned one of the world’s most important diamonds, the Archduke Joseph, for $21.5 million. The 76.02 ct, D-color Internally Flawless cushion cut went for more than $280,000 per carat, a new record for colorless diamond. (more…)

the hope diamond

Often when picturing a diamond, we envision the classic colorless gem depicted in films, showcased in engagement rings, or displayed with other popular jewelry in glass cases. A colorless diamond is the clear, classic diamond we envision. Many “colorless” diamonds possess very subtle hints of yellow or brown, colors that can affect the value of the stone.  But diamonds come in colors that extend beyond the D-to-Z color scale. And when the color of the stone is strong enough, the diamond becomes known as a “fancy-color diamond.” (more…)

If your pulse quickens at the site of an antique Victorian-era cameo, if an Art Nouveau pastel enamel and pearl pendant piques your nostalgic interest, or if a retro 14-karat gold bracelet seems irresistible, then you’re part of the increasing number of those buying estate jewelry. From the bold geometric shapes of Art Deco to the lacy romanticism of the Edwardian style, estate jewelry offers a wide array of choices for the discerning collector. (more…)

blue and pink diamond ring

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…)

John Buechner’s platinum ring (above) features a nearly 13-carat cushion cut zultanite and diamonds.

Zultanite is an extremely rare gemstone used in jewelry design, and was a popular choice at the 2011 Couture conference, which features the most unique, innovative and inventive jewelry design. Famous jewelry designers such as Stephen Webster, Erica Courtney and Rhonda Faber Green all incorporated zultanite into their collections. Zultanite changes color in light, ranging from a kiwi green with flashes of yellow in sunlight conditions to raspberry hues in candlelight. (more…)