- 4 x 4 mm Round
- 0.30 carats
- AA Quality
- eye-clean
- Origin: Switzerland
- 4 x 4 mm Round
- 0.30 carats
- AA Quality
- opaque
- Origin: Brazil
- 4 x 4 mm Round
- 0.30 carats
- AA Quality
- eye-clean
- Origin: Tanzania
This lab ruby, onyx and tanzanite 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. Lab Ruby is known as the gem of passion and desire and is the birthstone for the month of July. Onyx is known as the gem of confidence and protection and is the birthstone for the month of July. Tanzanite is known as the gem of positivity and energy and is the birthstone for the month of December.