Metal Education

Platinum
Our most popular metal for engagement rings and wedding bands, platinum’s naturally white sheen will never fade or change color, and accentuates the sparkle and brilliance of a diamond. Platinum will last forever, making it the ultimate symbol for true, enduring, and everlasting love.
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Gold
Gold has an extraordinary heritage with unique qualities. As an enduring element found naturally in a distinct yellow color, gold is resistant to rust, tarnish, and corrosion. Although gold is very strong, it’s also the most malleable of all precious metals.
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Silver
The silver jewelry and accessories available at Blue Nile are made of beautiful sterling silver. For our collection, we have chosen classic designs created by some of the finest craftsmen. This guide will help you learn to identify quality in silver jewelry and accessories.
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Tungsten Carbide
Unique in appeal and strong by design, tungsten carbide is a forged metal with qualities that will last a lifetime. Tungsten carbide jewelry is created from an alloy of 80% elemental Tungsten and 20% Carbon alloyed with other metals.
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Cobalt
Made from a highly durable alloy, cobalt is four times harder than platinum while at the same time, less dense. Because of its natural hardness, cobalt jewelry is extremely scratch, chip and corrosion-resistant. It is also hypoallergenic, ideal for those with sensitive skin or an active lifestyle.
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Tantalum
Tantalum is the newest addition to our contemporary metals, and is highly scratch-resistant and hypoallergenic. Our tantalum is 99% pure and coated with a ceramic glaze that gives the metal a matte black finish. Only conflict-free tantalum is used.
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Titanium
Long-lasting, strong and durable—titanium is one of the toughest metals on earth. Titanium has a natural silver-grey tint, but through the process of anodization can be treated to form a variety of colors. More lightweight than gold or silver and hypoallergenic, titanium is easy to wear.
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