Diamond education
Half vs full eternity rings
Diamonds across the top, or all the way round.
By the CTJ Jewellery team, led by founder Greg Ward · Updated September 2026 · Editorial policy
Key facts
- Half: diamonds across the top
- Full: diamonds all the way round
- Half eternity rings can be resized
- Full eternity rings are made to size
- Full uses more diamonds
- Both available natural or lab-grown
Side by side
| Half eternity | Full eternity | |
|---|---|---|
| Diamonds | Across the top | All the way round |
| Resizing | Possible | Remade rather than resized |
| Comfort | Smooth underside | Diamonds against fingers |
| Cost | Lower | Higher |
Which suits daily wear?
A half eternity is the practical choice for daily wear and changing ring sizes. A full eternity suits people who want continuous sparkle and are confident of their size.