| UK | US | EU | Japan | Inside Diameter (mm) | Inside Circumference (mm) |
|---|---|---|---|---|---|
| A | 1 | 40 | 1 | 11.5 | 36.1 |
| A½ | 1.5 | 40.5 | 1.5 | 11.8 | 37.1 |
| B | 2 | 41 | 2 | 12.1 | 38.0 |
| B½ | 2.5 | 41.5 | 2.5 | 12.3 | 38.6 |
| C | 3 | 42 | 3 | 12.6 | 39.6 |
| C½ | 3.5 | 42.5 | 3.5 | 12.9 | 40.5 |
| D | 4 | 43 | 4 | 13.2 | 41.5 |
| D½ | 4.5 | 43.5 | 4.5 | 13.5 | 42.4 |
| E | 5 | 44 | 5 | 13.8 | 43.3 |
| E½ | 5.5 | 44.5 | 5.5 | 14.1 | 44.3 |
| F | 6 | 45 | 6 | 14.4 | 45.2 |
| F½ | 6.5 | 45.5 | 6.5 | 14.7 | 46.2 |
| G | 7 | 46 | 7 | 15.0 | 47.1 |
| G½ | 7.5 | 46.5 | 7.5 | 15.3 | 48.1 |
| H | 8 | 47 | 8 | 15.6 | 49.0 |
| H½ | 8.5 | 47.5 | 8.5 | 15.9 | 49.9 |
| I | 9 | 48 | 9 | 16.2 | 50.9 |
| I½ | 9.5 | 48.5 | 9.5 | 16.5 | 51.8 |
| J | 10 | 49 | 10 | 16.8 | 52.8 |
| J½ | 10.5 | 49.5 | 10.5 | 17.1 | 53.7 |
| K | 11 | 50 | 11 | 17.4 | 54.7 |
| K½ | 11.5 | 50.5 | 11.5 | 17.7 | 55.6 |
| L | 12 | 51 | 12 | 18.0 | 56.5 |
| L½ | 12.5 | 51.5 | 12.5 | 18.3 | 57.5 |
| M | 13 | 52 | 13 | 18.6 | 58.4 |
| M½ | 13.5 | 52.5 | 13.5 | 18.9 | 59.4 |
| N | 14 | 53 | 14 | 19.2 | 60.3 |
| N½ | 14.5 | 53.5 | 14.5 | 19.5 | 61.2 |
| O | 15 | 54 | 15 | 19.8 | 62.2 |
| O½ | 15.5 | 54.5 | 15.5 | 20.1 | 63.1 |
| P | 16 | 55 | 16 | 20.4 | 64.1 |
| P½ | 16.5 | 55.5 | 16.5 | 20.7 | 65.0 |
| Q | 17 | 56 | 17 | 21.0 | 65.9 |
| Q½ | 17.5 | 56.5 | 17.5 | 21.3 | 66.9 |
| R | 18 | 57 | 18 | 21.6 | 67.8 |
| R½ | 18.5 | 57.5 | 18.5 | 21.9 | 68.8 |
| S | 19 | 58 | 19 | 22.2 | 69.7 |
| S½ | 19.5 | 58.5 | 19.5 | 22.5 | 70.7 |
| T | 20 | 59 | 20 | 22.8 | 71.6 |
| T½ | 20.5 | 59.5 | 20.5 | 23.1 | 72.5 |
| U | 21 | 60 | 21 | 23.4 | 73.5 |
| U½ | 21.5 | 60.5 | 21.5 | 23.7 | 74.4 |
| V | 22 | 61 | 22 | 24.0 | 75.4 |
| V½ | 22.5 | 61.5 | 22.5 | 24.3 | 76.3 |
| W | 23 | 62 | 23 | 24.6 | 77.2 |
| W½ | 23.5 | 62.5 | 23.5 | 24.9 | 78.2 |
| X | 24 | 63 | 24 | 25.2 | 79.1 |
| X½ | 24.5 | 63.5 | 24.5 | 25.5 | 80.1 |
| Y | 25 | 64 | 25 | 25.8 | 81.0 |
| Y½ | 25.5 | 64.5 | 25.5 | 26.1 | 81.9 |
| Z | 26 | 65 | 26 | 26.4 | 82.9 |
| Z½ | 26.5 | 65.5 | 26.5 | 26.7 | 83.8 |




1.24ct Cushion Cut Blue Sapphire Halo Setting Engagement Ring - 18K Gold
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International Shipping
We're delighted to offer complimentary international shipping (Outside UK) on all orders. Please note that while we cover shipping costs, customs duties, taxes, and import fees may apply upon delivery and are the sole responsibility of the recipient. These charges vary by country and are determined by your local customs authority.
1.24ct Cushion Cut Blue Sapphire Halo Setting Engagement Ring in 18K White Gold
Centre Stone
- Type: Blue sapphire with natural diamonds
- Shape: Cushion cut blue sapphire
- Carat weight: 1.24ct blue sapphire
- Side stones: 0.40ct natural diamonds
- Diamond quality: F colour, VS1 clarity
- Design: Cushion cut blue sapphire centre stone in a halo setting with natural diamond detail
Setting Details
- Metal: 18K White Gold (Custom option available)
- Style: Halo engagement ring
- Design: Cushion cut blue sapphire set in a halo mount with sparkling natural diamond accents
- Look: Elegant, luxurious, and timeless with rich blue colour and refined diamond sparkle
Helpful Resources
Why Buy From Chloe’s Jewellers?
- Greville House, 35 Greville Street, London, EC1N 8TB
- +44 207 242 9454 | Info@chloesjewellers.com
- FREE worldwide shipping
- 21-day return policy
- 100% return refund guarantee
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1.24ct Cushion Cut Blue Sapphire Halo Setting Engagement Ring - 18K Gold
Sale price£3,150.00 GBP
Regular price£3,500.00 GBP
| UK | US | EU | Japan | Inside Diameter (mm) | Inside Circumference (mm) |
|---|---|---|---|---|---|
| A | 1 | 40 | 1 | 11.5 | 36.1 |
| A½ | 1.5 | 40.5 | 1.5 | 11.8 | 37.1 |
| B | 2 | 41 | 2 | 12.1 | 38.0 |
| B½ | 2.5 | 41.5 | 2.5 | 12.3 | 38.6 |
| C | 3 | 42 | 3 | 12.6 | 39.6 |
| C½ | 3.5 | 42.5 | 3.5 | 12.9 | 40.5 |
| D | 4 | 43 | 4 | 13.2 | 41.5 |
| D½ | 4.5 | 43.5 | 4.5 | 13.5 | 42.4 |
| E | 5 | 44 | 5 | 13.8 | 43.3 |
| E½ | 5.5 | 44.5 | 5.5 | 14.1 | 44.3 |
| F | 6 | 45 | 6 | 14.4 | 45.2 |
| F½ | 6.5 | 45.5 | 6.5 | 14.7 | 46.2 |
| G | 7 | 46 | 7 | 15.0 | 47.1 |
| G½ | 7.5 | 46.5 | 7.5 | 15.3 | 48.1 |
| H | 8 | 47 | 8 | 15.6 | 49.0 |
| H½ | 8.5 | 47.5 | 8.5 | 15.9 | 49.9 |
| I | 9 | 48 | 9 | 16.2 | 50.9 |
| I½ | 9.5 | 48.5 | 9.5 | 16.5 | 51.8 |
| J | 10 | 49 | 10 | 16.8 | 52.8 |
| J½ | 10.5 | 49.5 | 10.5 | 17.1 | 53.7 |
| K | 11 | 50 | 11 | 17.4 | 54.7 |
| K½ | 11.5 | 50.5 | 11.5 | 17.7 | 55.6 |
| L | 12 | 51 | 12 | 18.0 | 56.5 |
| L½ | 12.5 | 51.5 | 12.5 | 18.3 | 57.5 |
| M | 13 | 52 | 13 | 18.6 | 58.4 |
| M½ | 13.5 | 52.5 | 13.5 | 18.9 | 59.4 |
| N | 14 | 53 | 14 | 19.2 | 60.3 |
| N½ | 14.5 | 53.5 | 14.5 | 19.5 | 61.2 |
| O | 15 | 54 | 15 | 19.8 | 62.2 |
| O½ | 15.5 | 54.5 | 15.5 | 20.1 | 63.1 |
| P | 16 | 55 | 16 | 20.4 | 64.1 |
| P½ | 16.5 | 55.5 | 16.5 | 20.7 | 65.0 |
| Q | 17 | 56 | 17 | 21.0 | 65.9 |
| Q½ | 17.5 | 56.5 | 17.5 | 21.3 | 66.9 |
| R | 18 | 57 | 18 | 21.6 | 67.8 |
| R½ | 18.5 | 57.5 | 18.5 | 21.9 | 68.8 |
| S | 19 | 58 | 19 | 22.2 | 69.7 |
| S½ | 19.5 | 58.5 | 19.5 | 22.5 | 70.7 |
| T | 20 | 59 | 20 | 22.8 | 71.6 |
| T½ | 20.5 | 59.5 | 20.5 | 23.1 | 72.5 |
| U | 21 | 60 | 21 | 23.4 | 73.5 |
| U½ | 21.5 | 60.5 | 21.5 | 23.7 | 74.4 |
| V | 22 | 61 | 22 | 24.0 | 75.4 |
| V½ | 22.5 | 61.5 | 22.5 | 24.3 | 76.3 |
| W | 23 | 62 | 23 | 24.6 | 77.2 |
| W½ | 23.5 | 62.5 | 23.5 | 24.9 | 78.2 |
| X | 24 | 63 | 24 | 25.2 | 79.1 |
| X½ | 24.5 | 63.5 | 24.5 | 25.5 | 80.1 |
| Y | 25 | 64 | 25 | 25.8 | 81.0 |
| Y½ | 25.5 | 64.5 | 25.5 | 26.1 | 81.9 |
| Z | 26 | 65 | 26 | 26.4 | 82.9 |
| Z½ | 26.5 | 65.5 | 26.5 | 26.7 | 83.8 |
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