| Alexandrite |
Bluish green in daylight, purplish red under incandescent light; hard and durable |
8.5 |
| Amber |
Yellow, orange or golden brown; a fossilized resin, inclusions sometimes preserve ancient life |
2.5 |
| Amethyst |
Purple to pastel gems from African and South American mines. Browse amethyst jewelry > |
7 |
| Ammolite |
Each gemstone displays captivating, iridescent rainbow colors. Browse ammolite jewelry > |
3.5-8 |
| Aquamarine |
Clear blue to greenish-blue variety of the mineral beryl. Browse aquamarine jewelry > |
8 |
| Citrine |
Popular yellow variety of quartz that ranges from yellow to brown-orange color. Browse citrine jewelry > |
7 |
| Diamond |
Valued for their colorless purity, but found in all rainbow colors; most diamonds are over a billion years old |
10 |
| Emerald |
Blue green to deep green variety of beryl, sourced from Africa, South America and Asia. Browse emerald jewelry > |
8 |
| Garnet |
Found in all the colors of the rainbow, known for red, orange and green; colors vary in their rarity. Browse garnet jewelry > |
7.5 |
| Iolite |
Blue to violet hue, that can also display a pale yellow or colorless hue when viewed from certain directions |
7.5 |
| Jade |
Green jade dates to the pre-historic era and is actually two separate gems: nephrite and jadeite |
6-7 |
| Lapis Lazuli |
Royal blue with golden streaks of pyrite; this rock is made of several minerals: lazurite, calcite and pyrite |
5.5 |
| Moonstone |
A colorless, semi-transparent appearance with a light blue or silver sheen known as adularescence |
6.5 |
| Opal |
Opal’s light diffraction results in a play of many colors; the color range and pattern help determine its value. Browse opal jewelry > |
6.5 |
| Pearl |
Pearls take years to form and are produced in the bodies of marine and freshwater mollusks |
3 |
| Peridot |
Yellow-green gemstone found in volcanic and mountain rock and meterorites. Browse peridot jewelry > |
7 |
| Ruby |
Deep red color; known as the "king of precious stones." Browse ruby jewelry > |
9 |
| Sapphire |
Found in a variety of colors including yellow, green, orange, pink and purple; prized for their deep blue saturated hue. Browse sapphire jewelry > |
9 |
| Spinel |
Spinel, often sourced in red and blue, is sometimes confused with ruby. Browse spinel jewelry > |
8 |
| Tanzanite |
Blue-to-violet or purple hues; recently discovered in Tanzania in 1967. Browse tanzanite jewelry > |
7 |
| Topaz |
Wide color range of brown, blue, green, yellow, orange, red, pink and purple. Browse topaz jewelry > |
8 |
| Tourmaline |
One of the widest color ranges of any gem; prized for intense violet blue gems of Paraíba, Brazil. Browse tourmaline jewelry > |
7.5 |
| Turquoise |
Opaque blue to green; among the world's oldest found jewelry of ancient civilizations of Egypt, Mesoamerica and China |
6 |
| Zircon |
Blue, yellow, green, red, brown and colorless hues; known for bright and lustrous light reflection; not to be confused with cubic zirconia |
7.5 |
