Good  findings : Mini Digital LCD Pocket Gem Weighing Scale
Still worry about having  no  right scale to weight  your little thing? Brand new digital pocket scale can help you : high-precision measurements! Ideal scale for jewelry, gold, silver, gems, herbs, and mail weighing. Blue backlight LCD display, easy reading. 6 selectable units of gn/ oz/ g/ ozt/ dwt/ ct. With useful tare function