The short answer: an aquamarine ring looks best in a setting that shows off its clear, cool blue colour and protects its edges, such as a bezel, a halo, a three stone ring or a simple claw setting in white gold or platinum. Aquamarine is fairly hard and often very clean, so it suits everyday wear with sensible care.
Aquamarine is the blue to blue green member of the beryl family, the same family as emerald and morganite. It ranks about 7.5 to 8 on the Mohs scale. It is known for its clarity and its fresh, watery colour, and it is often available in larger sizes than many other coloured gems. That makes it a popular choice for statement rings. See aquamarine engagement rings: a complete buying guide.
Choosing the colour
Aquamarine ranges from very pale blue to a deeper, more saturated blue. Deeper colour usually costs more. Some stones lean green, and others lean towards a pure blue. Look at the stone on video, since colour looks different in daylight and indoor light.
The best settings for aquamarine
| Setting | Look | Why it works |
|---|---|---|
| Claw solitaire | Clean and classic | Lets light pass through the clear stone |
| Bezel | Modern and secure | Protects the edges |
| Halo | Glamorous | Diamonds add sparkle around the blue |
| Three stone | Meaningful | Diamond side stones add contrast |
| Open back setting | Bright | Lets more light into the stone |
Keeping it bright
Because aquamarine is so clear and often pale, dirt and hand cream show quickly and dull its sparkle. An open setting that lets light in from below, and regular gentle cleaning, keep the stone looking like clear water. A closed back setting can make a pale stone look darker, which some people like and others do not. We show both options in a render.
Metals
White gold and platinum keep aquamarine cool and crisp. Rose gold makes the blue look softer and gives a modern contrast. Yellow gold adds warmth and a more vintage feel.
Shapes
Emerald cuts, ovals and cushions show aquamarine well, since the stone is so clear. A large step cut can look like a pool of water. Rounds add sparkle. Pears and ovals lengthen the finger.
Natural stones
Most aquamarine in jewellery is natural, and much of it has been gently heated to remove a greenish tint and give a purer blue, which is a common and stable treatment. We label every stone clearly and explain what we know about it. Browse diamonds for side stones and halos.
Daily wear
Aquamarine is durable enough for a ring, but it can chip if it is knocked hard. Choose a setting that covers the corners, take the ring off for heavy work and clean it with warm soapy water. See our guide to cleavage and chips.
Aquamarine or sapphire?
Aquamarine is lighter and clearer, and sapphire is deeper and harder. If you want a pale, airy blue, choose aquamarine. If you want a richer colour and maximum durability, choose sapphire. See also aquamarine vs morganite.
How to choose
- Choose the blue you like on video.
- Pick the shape and setting.
- Choose the metal.
- Approve the design in writing before anything is made.
Nothing is made until you approve the design in writing, and our standard making time is 5 to 6 weeks, which can vary with your location and how busy we are. See our guide to setting types. Pieces start from £600.
Frequently asked questions
Is aquamarine good for an engagement ring? Yes with sensible care.
Does aquamarine fade? Strong heat can change some stones, so ask us about the one you like.
Is aquamarine usually treated? Many stones are gently heated for colour, and we tell you what we know.
Which metal is best? White gold and platinum are popular, but other metals work well too.
Can I order from overseas? Yes, by video consultation, with insured, tracked FedEx delivery.