Tanihari Koda Geometric Open Ring
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Ring Size Conversion Chart
Determining your ring size can be tricky without the proper tools. Use our Ring Size Conversion chart below to find your ring size in different countries. Need help? Speak with a Diamond Expert now by WhatsApp +91 8238581658
| Ring Diameter (MM) | USA/Canada | United Kingdom | France | Germany | Japan | Switzerland |
|---|---|---|---|---|---|---|
| 14.0 mm. | 3 | F | 44 | 14 | 4 | 4 |
| 14.4 mm. | 3½ | G | 45½ | 14½ | 5½ | 6⅓ |
| 14.8 mm. | 4 | H½ | 46½ | 15 | 7 | 6½ |
| 15.2 mm. | 4½ | I½ | 47¾ | 15¼ | 8 | 8 |
| 15.6 mm. | 5 | J½ | 49 | 15¾ | 9 | 9½ |
| 16.0 mm. | 5½ | L | 50¾ | 16 | 10½ | 10¾ |
| 16.5 mm. | 6 | M | 51½ | 16½ | 12 | 12¾ |
| 16.9 mm. | 6½ | N | 52¾ | 17 | 13 | 14 |
| 17.3 mm. | 7 | O | 54 | 17¼ | 14 | 15¼ |
| 17.7 mm. | 7½ | P | 55¼ | 17¾ | 15 | 16½ |
| 18.2 mm. | 8 | Q | 56¾ | 18 | 16 | 17¾ |
| 18.6 mm. | 8½ | Q½ | 58 | 18½ | 17 | 18½ |
| 19.0 mm. | 9 | R½ | 59¼ | 19 | 18 | 20 |
| 19.4 mm. | 9½ | S½ | 60¾ | 19½ | 19 | 21 |
| 19.8 mm. | 10 | T½ | 61¾ | 20 | 20 | 21¾ |
| 20.2 mm. | 10½ | U½ | 62¾ | 20¼ | 22 | 22¾ |
| 20.6 mm. | 11 | V½ | 64¼ | 20¾ | 23 | 24 |
| 21.0 mm. | 11½ | W½ | 66 | 21 | 24 | 25¾ |
| 21.4 mm. | 12 | Y | 67¼ | 21¼ | 25 | 27½ |
| 21.8 mm. | 12½ | Z | 68 | 21¾ | 26 | 28¾ |
| 22.2 mm. | 13 | Z + 1 | 69 | 22 | 27 | 29¾ |
| 22.6 mm. | 13½ | Z + 1.5 | 71 | 22.6 | - | 31 |
Step into the spotlight with a design that fuses sharp, modern geometry with striking asymmetrical balance. The Koda Geometric Open Ring features a sleek, highly polished open silhouette that wraps fluidly around the finger. One terminus is grounded by a classic, bezel-set round brilliant-cut shimmer crystal, while the opposing end commands attention with a bold, architectural triangular setting housing a precision-set cluster of round stones. This dynamic, beautifully contoured design offers a definitive statement of avant-garde artistry, structural elegance, and uninterrupted, multi-dimensional light.
The Koda Geometric Open Ring is designed for the modern curator who seeks a definitive "Main Character" staple with a sharp, structural edge. Its sleek, open-wrap profile offers a refined, sophisticated sparkle perfect for effortless standalone daily wear, or as a striking, architectural layering piece in a highly curated ring stack. The warm blush tones provide a soft, modern radiance that beautifully complements every skin tone and pops flawlessly against our signature warm cream studio aesthetic.
Why You'll Love It:
• Natural Rose Core Metal – no plating needed
• Anti-tarnish design – stays shiny longer
• Round-cut crystal for brilliant sparkle
• Minimal yet statement aesthetic
• Lightweight & comfortable for daily wear
Perfect for:
• Everyday outfits
• Brunch dates
• Night outs
• Gifting moments
At Tanihari Jewels, we believe jewelry should feel luxurious, timeless, and effortless. Each piece is designed to bring modern elegance into your everyday style.
Free insured worldwide shipping with easy returns.
- Ethical & Conflict-Free
- IGI Certified Quality
- No BGM Stones
- Eco-Friendly Luxury
Timeless craftsmanship with modern precision.


