| 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 |
5.73ct Oval Cut Sri Lanka Blue Sapphire 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.
5.73ct Oval Cut Sri Lanka Blue Sapphire Engagement Ring in 18K White Gold
Centre Stone
- Type: Sri Lanka blue sapphire with natural diamonds
- Shape: Oval cut blue sapphire
- Carat weight: 5.73ct blue sapphire
- Side stones: 0.40ct natural diamonds
- Diamond quality: F colour, VS1 clarity
- Design: Oval cut Sri Lanka blue sapphire centre stone with natural diamond side detail
Setting Details
- Metal: 18K White Gold (Custom option available)
- Style: Engagement ring
- Design: Oval cut Sri Lanka blue sapphire set with natural diamond side stones in a timeless ring mount
- Look: Elegant, luxurious, and timeless with rich blue colour and added 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
5.73ct Oval Cut Sri Lanka Blue Sapphire Engagement Ring - 18K Gold
Sale price£9,400.00 GBP
Regular price£10,900.00 GBP
Choose options
5.73ct Oval Cut Sri Lanka Blue Sapphire Engagement Ring - 18K Gold
Sale price£9,400.00 GBP
Regular price£10,900.00 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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