- 4 x 4 mm Round
- 0.20 carats
- AA Quality
- opaque
- Origin: Brazil
- 4 x 4 mm Round
- 0.20 carats
- AA Quality
- eye-clean
- Origin: Africa
- 4 x 4 mm Round
- 0.20 carats
- AA Quality
- opaque
- Origin: Australia
This onyx, amethyst and opal ring in boasts a unique blend of classic and contemporary elements. .25 carats of diamonds exude timeless elegance, while the distinctive tire tread pattern on the side adds an edgy, masculine touch. Select any three gems to create a unique and meaningful design. Onyx is known as the gem of confidence and protection and is the birthstone for the month of July. Amethyst is known as the gem of peace and tranquility and is the birthstone for the month of February. Opal is known as the gem of brilliance and mystery and is the birthstone for the month of October.