Aquamarine Diamond Platinum Eternity Ring
or 3 interest-free payments of £766.66
- Handmade in Sussex, England
- One free resize, whenever you need it
- 28-day returns, even made to order
Round diamonds and aquamarines combine on this platinum eternity ring, enhancing the gemstone's cool blue tone. Diamonds and gemstones ranging from 3.5mm down to 2.75mm run around this half eternity ring within a thick platinum edge.
Backed by a 20-year guarantee, this eternity ring can also be customised with an alternative gemstone.
Choose your ring size
UK sizes, including half sizes. Comfort-fitted inner, so we recommend your true size.
Don’t know the size?
We’ll post a free ring sizer today, or fit you in the Ditchling workshop in 20 minutes. Every ring comes with one free resize, whenever you need it — there is no time limit.The sizer is free with the code FREERINGSIZER — the button below applies it for you.
Which metal?
Still deciding?
Our precious metals guide goes into colour, hardness and how each one ages. Or talk it through with us — we do this every day.
Ring fit guide
Our bands have a comfort-fitted inner, so they feel slightly looser than a flat band — order your true size.
Tap a row to select that size.
- Measure when your hands are at room temperature — not too warm, not too cold.
- Cold hands measure up to half a size smaller — avoid measuring in winter or after exercise.
- A wider band needs a slightly larger size: at 6mm and above, go up a half size.
Still unsure? We post a free ring sizer the same day. Every ring comes with one free resize, whenever you need it — there is no time limit. The sizer is free with the code FREERINGSIZER — the button below applies it for you.

