Our signature ring stack trio. Made from 14K certified recycled gold, natural Botswana agate and diamonds. Features: The Single Line Diamond Band offers crisp sparkle and precision-cut accent diamonds. The hand-carved Essential Gem Stacking Ring in Botswana Agate features natural banding in shades of grey, cream and warm taupe, making each Botswana Agate ring is uniquely patterned. The Albert 2.0 Ring in Gold anchors the stack with classic form and versatile wear.