12.74/CT Natural Govt. Lab Certified Turquoise (1221)Products Details Allow our team of expert gemologists select a Natural Turquoise Natural gemstone of Premium Quality from our offline inventory of gemstones. The selected gemstone shall be of relatively the same quality as those shown in the sample photographs, with weight within 0. 2ct to +0. 5ct range from your selection. You can alternatively decide to browse through our collection of catalogued gemstones with photos and videos to select a gemstone