Koh-I-Noor Diamond
105 carat (21.6 g) — Originated in India
Once the largest known diamond in the world
Get the history behind diamonds and be informed.
DiamondAvenue.com - Your Portal to the World of Diamonds
Information and facts on diamonds and gemstones
Diamonds come in all shapes, sizes and colors.
Find out what to look for to get the most for your money!
Ever wonder what some of the most famous diamonds look like?
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Chances are you'll find the perfect diamond ring, bracelet or necklace!
An Overview of Diamonds
Diamonds have fascinated people for centuries because of their beauty, brilliance, durability and rarity. Whether you are learning about diamonds, preparing to purchase diamond jewelry or simply exploring their history, understanding the characteristics of a diamond can help you appreciate what makes each stone unique.
Explore the fundamentals of diamonds below, including the Four C's, diamond shapes, diamond types, fancy colors, buying considerations and proper diamond care.
The Four C's of Diamonds
A diamond is commonly evaluated according to four principal characteristics: carat weight, clarity, color and cut. Together, these characteristics help describe a diamond's appearance, quality and value.
Learning how the Four C's interact can help you compare diamonds and decide which characteristics matter most to you.
Explore the Four C'sDiamond Shapes
Diamonds are fashioned into many shapes, from the familiar round brilliant to oval, pear, emerald, marquise, princess and other distinctive forms.
Shape affects the overall appearance and personality of a diamond and can influence how large the stone appears when set in jewelry.
Explore Diamond ShapesTypes of Diamonds
Today's diamond marketplace includes natural diamonds, laboratory-created diamonds and enhanced natural diamonds. Diamond simulants are also available but are not diamonds.
Understanding the differences between these categories can help you make a more informed decision when comparing stones and jewelry.
Compare Diamond TypesFancy Colored Diamonds
Diamonds are not limited to traditional colorless stones. Natural diamonds can occur in a remarkable range of colors including yellow, pink, blue, green, brown, black, red and other hues.
Fancy-colored diamonds are valued according to characteristics that include their hue, tone and intensity of color.
Discover Colored DiamondsBuying a Diamond
Choosing a diamond involves more than selecting the largest stone. Consider the balance among cut, clarity, color and carat weight as well as shape, setting, personal preference and budget.
Comparing these factors before purchasing can help you identify a diamond that offers the appearance and characteristics you value most.
Diamond Buying GuideCaring for Diamonds
Diamonds are exceptionally durable, but diamond jewelry still benefits from proper care. Oils, lotions, cosmetics and everyday residue can reduce the visible brilliance of a diamond.
Regular cleaning, sensible storage and periodic inspection of jewelry settings can help keep your diamonds looking their best.
Diamond Care TipsThe History of Diamonds
Diamonds have traveled a remarkable path through human history—from ancient discoveries and royal treasures to modern engagement rings and fine jewelry. Their rarity and brilliance have made notable diamonds objects of fascination for generations.
Explore Diamond HistoryFamous Diamonds
Some diamonds have become famous because of their extraordinary size, color, history or association with royalty and prominent owners. Stones such as the Hope Diamond and Koh-I-Noor continue to capture the imagination of diamond enthusiasts around the world.
View Famous Diamonds