Resource center
Read: 5 min
How to care for soft & porous gemstones
 The delicate shimmer and unique beauty of soft gemstones, like opals, turquoise and pearls, can add incredible personality to any jewelry collection. But unlike harder stones, the…
Read: 6 min
Gemstones that change color: nature’s optical illusion
Explore rare gemstones that change color, learning what causes the effect and how to protect them.
Read: 7 min
What is palladium?
Learn what palladium is, how it’s used in jewelry and why it’s a durable, tarnish-resistant metal you’ll love.
Read: 4 min
How durable are sapphires?
How durable are sapphires? Learn about sapphire hardness and how it ranks on the Mohs hardness scale here!
Read: 6 min
What is serpentine jewelry?
Learn about serpentine jewelry, serpentine gemstone meanings and discover where this green gem is found and how it's used.
Read: 6 min
Precious vs. semi-precious gems: introducing the “fab four”
What are precious gems and how do they differ from semi-precious ones? Discover the difference here.
Read: 6 min
Black gemstones: 14 types with colorful meanings
From rare diamonds to common onyx, explore 14 black gemstones, their meanings, how they form and how to care for them.
Read: 6 min
Guide to gemstone certifications
Read this beginner's guide to gemstone certifications to see how getting one can help you buy, sell and get appraisals for your gems.
Read: 5 min
What is alexandrite?
What is alexandrite? Discover the origin and symbolism behind the rare, color-changing gem.
Read: 4 min
The amethyst color spectrum and symbolism
Explore the amethyst color spectrum from purple to green and see what makes this royal-colored crystal so intriguing!Â
Read: 6 min
What is a zircon gemstone? A brilliant option for your jewelry!
If you’ve always wondered what a zircon gemstone is, here’s your chance to see why people love this popular gem!
Read: 2 min
October's birthstones: opal & tourmaline
October's birthstones are fitting: Opal, valued for its “shifting play” of color, and tourmaline, which comes in a rainbow of colors and combinations.
Read: 5 min
What is beryl? A colorful guide to the chameleon of gems!
What is beryl? Discover the gems made up of this chameleon-like mineral, such as morganite, emerald, aquamarine, and more!
Read: 5 min
Your guide to understanding gem inclusions
How do gem inclusions form? Do inclusions impact a gem’s value? Find out these answers and more in this expert guide!
Read: 7 min
Exploring the spectrum of sapphire colors
Sapphires have a vast color range beyond just blue. Use this color guide to learn about 12 different sapphire shades.
Read: 7 min
Everything you need to know about opal colors
Learn about 11 different colors of opal and discover the reason some exhibit play-of-color and others do not.
Read: 6 min
The world’s rarest diamonds
What’s the rarest diamond in the world? Discover the rarest diamond colors, how they are made and where they come from.
Read: 1 min
August's birthstones: peridot and sardonyx
Discover August's birthstones, Peridot and Sardonyx. Explore their characteristics, cleaning and care, and uncover the meanings behind these stones.
Read: 7 min
What is a green sapphire? A guide to the stunning gems
What is a green sapphire? Is a green sapphire engagement ring a good choice? Get answers to those questions and more!Â
Read: 5 min
What is a ruby? Get to know the king of gems
Learn how rubies form, which types exist around the world and how to style ruby jewelry.
Read: 4 min
What is diamond fluorescence?
According the Gemological Institute of America, approximately 25 percent to 35 percent of all diamonds glow and exhibit some degree of fluorescence.
Read: 2 min
June's birthstones: pearl, alexandrite and moonstone
June birthdays have not just one, but three June birthstones to choose from: Pearl, Alexandrite and Moonstone. Read on to learn about June's birthstones!
Read: 5 min
What is morganite? A guide to the popular peach-pink gem
Find out why morganite is one of the trendiest gemstones on the market and get tips for how to care for and style it.
Read: 7 min
What is a blue diamond? Find out what makes them so blue and rare
Discover what gives blue diamonds their color, if they’re real diamonds and why they’re so rare.
Read: 2 min
February's birthstone: Royally rockin' amethyst
Amethyst, February's birthstone, is a purple member of the quartz family that has been used for everything from love charms to symbols of royalty.
Read: 6 min
What are the rarest gemstones in the world?
What are the rarest gemstones in the world? Discover seven gemstones that are rarer than a diamond—and gorgeous additions to your jewelry collection.
Read: 5 min
Non-diamond engagement rings: The options explained
Discover today's most popular non-diamond engagement rings here to understand the sparkling—and colorful—options available.
Read: 6 min
Your guide to buying colored gemstone jewelry
Learn which factors impact the value of a colored gemstone with this essential guide. Then you can start shopping with knowledge and confidence!
Read: 9 min
Everything you need to know about colored gemstones
Colored gemstones are rising in popularity among jewelry wearers. Get an inside look at what makes them so special and find out which colored gemstone trends are here to stay.
Read: 2 min
What’s the Difference Between Moissanite and Diamond?
Moissanite bears an uncanny resemblance to diamonds, so you may be wondering: What are the differences between moissanite and diamond jewelry?
Read: 2 min
Birthstone for October: Vivid Look at the Past
Take a trip into the past and discover the timelessness of the opal, a birthstone for October, with these antiques we wish were in our jewelry box.
Read: 1 min
Designer Spotlight: Neil Lane
Neil Lane's eye for rare beauty is showcased in his famed jewelry collection, which helped him become one of the most celebrated jewelry designers.
Read: 2 min
Gems by Geography: Alaskan Jade
This Gems by Geography entry explores the exquisite, natural beauty of the Alaskan Jade, valued for its luminescent colors and smooth surfaces.