Betelgeuse, a bright star in the constellation of Orion, is much cooler, about 6,900 degrees F, and so even to the naked eye has an easily identified red hue. The brightest star in the night sky, Sirius (also known as the Dog Star), has a surface temperature of about 18,000 degrees F, which gives it its bluish tinge.
At 1109-carat, the Lesedi La Rona is the largest gem-quality rough diamond to be discovered in over a century and the largest Type IIa rough diamond in existence today. Image: Lucara Diamond Corporation. At 118.78 carats, the âThe Graff Venusâ is the worldâs largest D-color, Type IIA, flawless heart-shaped diamond.
Handling all types of rough diamonds Our long history in the diamond industry has given us much experience in rough diamond trading and manufacturing. We are an Alrosa Sightholder and have the ability and expertise to handle all types of rough diamonds - we welcome offers and enquiries. Espeka diamonds are guaranteed conflict-free and in full compliance with Kimberley Certification and the highest industry standards.