The unique profile of Diamond Head (Lē‘ahi) sits prominently near the eastern edge of Waikiki’s coastline. Hawaii’s most recognized landmark is known for its historic hiking trail, stunning coastal views, and military history. Diamond Head State Monument encompasses over 475 acres, including the interior and outer slopes of the crater.

A woman from Pennsylvania found a 3.09-carat white diamond at Crater of Diamonds State Park in Arkansas.

Diamond is a solid form of pure carbon with its atoms arranged in a crystal. Solid carbon comes in different forms known as allotropes depending on the type of chemical bond. The two most common allotropes of pure carbon are diamond and graphite. In graphite, the bonds are sp 2 orbital hybrids and the atoms form in planes, with each bound to three nearest neighbors, 120 degrees apart. In ...

Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.

A diamond is a mineral composed of pure carbon. It is the hardest naturally occurring substance known; it is also the most popular gemstone. Because of their extreme hardness, diamonds have a number of important industrial applications.

Hawaii's only true diamond wholesaler, featuring thousands of diamonds in-house, including natural earth mined diamonds, lab grown diamonds, color diamonds, rough diamonds, HPHT diamonds, clarity enhanced diamonds, and more. Explore hundreds of ring settings, wedding bands, earrings, or design your own!