There are many different types of gold used to make jewelry, perhaps more than you might realize. Gold comes in a range of colors, karats, and coatings, each with their own unique properties. From the famous to the lesser-known, this guide covers 15 gold types and what makes them special.

Purple gold is an alloy of gold and aluminum, and one of the rarest colors of gold in the world. Discover interesting facts like when purple gold was invented, what it can be used for, and where you can purchase purple gold jewelry online.

Diamonds with perfect clarity grades are extremely rare and shockingly expensive. Learn how to confidently pick a beautiful diamond that looks flawless to the naked eye – for a fraction of the price of one with a perfect clarity grade.

Sapphire is a rare, hard gemstone composed of the mineral corundum. While everyone’s heard of blue sapphires, you might be surprised to learn just how many other types of sapphires exist. Here are the 21 major sapphire colors and types.

The platinum group consists of six precious metals: platinum, palladium, rhodium, ruthenium, iridium, and osmium. Learn about their unique characteristics, and how each of these fascinating metals is used within the jewelry industry.

Black gold is gold that’s been artificially treated to change its surface color from yellow to black. This guide takes you through the facts and history of black gold, as well as how it’s made, how it compares to other black metals, and how to clean and care for it.

White gold is an alloy created by mixing pure yellow gold with white metals. In this in-depth guide, we’ll delve into the history, composition, and properties of white gold, explore how it compares to other precious metals, and discuss how to care for your beautiful white gold jewelry.

While diamonds are traditionally white (colorless), they can also be found in a wide spectrum of striking colors including blue, yellow, pink, green, red, and black. These extraordinarily rare gems are known as fancy colored diamonds.

The “4Cs” of diamonds are cut, color, clarity, and carat weight. This guide explains what the 4Cs are, why some are more important than others, and how each one affects a diamond’s appearance, quality, value, and price.

Learn all about the birthstones by month. This informative guide covers the characteristics, colors, value, and beliefs surrounding each birthstone. You’ll also learn how the birthstone tradition started, who decides which month gets what stone, and why some months have multiple gems.

Traditionally, only four gemstones in the world are considered precious: diamonds, sapphires, rubies, and emeralds. This guide explores the characteristics of each of the four precious gems, and also looks at the key differences between precious and semi-precious stones.

Rubies can display varying hues and tones of red depending on their place of origin. We’ve compiled a list of the nine most notable types of rubies, with information about their history, characteristics, and value.

Emeralds are gemstones formed from the mineral beryl. To be called an emerald, a beryl gem must be primarily green, and possess a certain intensity of color. Here are the different types of emeralds you’re most likely to encounter.

Of the 4Cs of diamonds – cut, color, clarity, and carat weight – the most important is cut. Learn what diamond cut is, how diamond cut grades are scored, and what you need to know to pick a knockout rock with superior brilliance, fire, and sparkle.

Diamond color is one of the most important aspects that affects a diamond’s beauty and value. This guide will take you through everything you need to know to confidently select the best diamond color grade for your needs and budget.

Diamond carat weight is not the same as diamond size. Though there’s definitely a correlation between weight and size, the size of a 1 carat diamond, for example, can vary significantly depending on its shape and cut.

The most popular and well-known diamond shapes are the round brilliant, princess, oval, cushion, emerald, Asscher, marquise, radiant, pear, heart, baguette, and trillion cut diamond. Learn about their appearance, characteristics, pros, cons, and more.

If you’re considering a platinum engagement ring, have your eye on a platinum necklace or bracelet, or would just like to learn more about this fascinating metal, then read on to find out the answers to 17 of the most frequently asked questions about platinum and platinum jewelry.

Is platinum better than white gold, or is it the other way around? While white gold and platinum look very similar, there’s more to each one than meets the eye. Learn all the important differences between these two precious metals, and decide for yourself!

When talking about gold alloys, you’ll often hear the term “karat gold” come up. But what exactly does this term mean? Read on to understand what a gold karat is, why some karats are more popular than others, and how to choose the best karat grade for your next jewelry purchase.