Black Agate Druzy Ring size 12

Stone ring sizes

Rings carved from a single piece of natural stone have a slightly wider band than classic rings — we recommend choosing one size larger for a comfortable fit.

European sizes (finger circumference):

• 9 — 49 mm
• 10 — 50 mm
• 11 — 51 mm
• 12 — 52 mm
• 13 — 53 mm
• 14 — 54 mm
• 15 — 55 mm
• 16 — 56 mm
• 17 — 57 mm
• 18 — 58 mm
• 19 — 59 mm
• 20 — 60 mm
• 21 — 61 mm
• 22 — 62 mm
• 23 — 63 mm

How to measure? Wrap a measuring tape or piece of string around the thickest part of your finger. Read the measurement in millimeters — that’s your circumference. Choose one size up.

See the full size guide →