Natural Smokey Quartz Square Princess-Cut AAA Quality from 4MM-10MM Smoky quartz gets its name for its yellow-brown to grayish-brown hues that resemble smoke. The stone is the birthstone for Scorpios. Gemstone Information Gemstone : Smoky Quartz Shape : Square Princess-Cut Average Color : Brown Average Quality : AAA Gemstone Dimensions : 4MM-10MM Number of Stones : 1 Treatment Method : Heated. Stone Creation Method : Natural Origin : Unknown MinDimension : 4.00 mm MaxDimension : 10.00 mm Color Information Color : Brown Other Information Product Type : Smoky Quartz Gender : Mens,Womens Material : Gemstone Weight Ranges for the Smoky Quartz: 4mm-0.30-0.36 Cts 5mm-0.52-0.64 Cts 6mm -0.91-1.11 Cts 7mm -1.51-1.85 Cts 8mm 2.15-2.63 Cts 9mm -3.10-3.80 Cts 10mm -4.45 Cts All the items will ship from the USA and are in stock. Please email or call us for special requests. We will try our best to accommodate We are a family owned and operated the business with over 40 years in the Diamonds and Jewelry business. We strive to provide quality and service.