Emerald Engagement Rings: Colour, Character and Choosing One

An emerald is one of the few stones that asks you to choose with your eye rather than from a chart. Its beauty sits in its colour, and no two are quite alike. If you are considering an emerald engagement ring, the decisions that matter are the same few a jeweller has weighed for centuries: colour, character, and how the ring will be worn.

Why colour comes first

With a diamond, cut is usually the place to start. With an emerald, colour leads. The intensity and evenness of the green does more for the stone than any other single characteristic, and two emeralds of the same size can look quite different on the hand because of it. A rich, even green tends to hold the eye. A paler or greyer green can look washed out once the stone is set and moving in and out of light.

That is why it is worth asking to see a few emeralds together rather than a single stone. Colour is easiest to judge in comparison.

Saturation, tone and character

Saturation is how strong the green is; tone is how light or dark it is. The emeralds most people picture are strongly saturated and medium to deep in tone, but the choice is personal, and a slightly lighter stone can suit a smaller ring or a hand that would be overpowered by a very dark one.

Emeralds also carry what the trade calls character: the fine internal marks, known as inclusions, that are part of the stone rather than a fault. A completely clean emerald is the exception. Learning to read those marks, and deciding which ones you find attractive and which you would rather avoid, is a large part of choosing well.

Why emeralds are traditionally oiled

Most emeralds have fine fractures that reach the surface of the stone. That is part of the same internal character that makes each one individual. Oiling fills those fractures with a clear oil. An air-filled crack scatters the light passing through it and shows up plainly; one filled with a liquid of very similar optical properties effectively disappears. Nothing about the stone's structure changes. What changes is how much light is blocked on its way out, so the green reads clearer and stronger than it would untreated.

That is why oiling is a long-established, accepted practice in the trade rather than a way of passing off a faulty stone, and why most emeralds on the market have been treated in some way.

It also carries one practical consequence. The oil sits in fractures that open at the surface, so over time it can be drawn out, and it can be displaced by heat and by strong solvents. An oiled emerald is therefore cleaned gently rather than in an ultrasonic bath, and it may need re-oiling at some point in its life. Ask a jeweller whether a particular stone has been treated, and how, and expect a straight answer; it is worth knowing before you choose a setting and a pattern of wear.

Emerald for everyday wear

An emerald is softer than a diamond or a sapphire, and it rewards a little more care than either. That does not rule it out for an engagement ring worn every day. It changes how you look after it. With an emerald, you take the ring off before gardening, the gym, or anything that puts the stone in the way of a knock, and you clean it gently rather than aggressively. Many people find that a fair trade for a colour no other stone offers.

Choosing the setting

The setting does real work with an emerald, because it protects the stone as well as holding it. A setting with metal around the edge of the stone, rather than claws standing alone, gives the emerald more protection at the corners and edges, which are the vulnerable parts of any emerald cut. An emerald-cut stone suits a setting that follows its rectangle; a round or oval emerald takes a softer frame. This is the kind of decision best made with the stone in front of you, because the setting should flatter that particular emerald rather than a generic idea of one.

Where to begin

Every gemstone engagement ring we make is built around the stone that will sit in it, so the setting answers to that particular stone. Seeing a few emeralds side by side, in daylight and in a room, will tell you more in ten minutes than any guide can.

Frequently asked questions

Is an emerald a good choice for an engagement ring?

Yes, if you are happy to look after it. An emerald is softer than diamond or sapphire and rewards a little extra care, so it suits someone who will take the ring off for sport and rough work. The reward is a colour no other stone gives.

Are emeralds treated?

Many emeralds are oiled to improve their appearance. It is a long-standing trade practice rather than a sign of a poor stone, and a good jeweller will tell you whether a particular emerald has been treated and how.

What should I look for in an emerald?

Colour first: a rich, even green tends to hold the eye best. Then the character of the stone, the natural internal marks that make each emerald individual. Judge a few together, because emerald colour is easiest to read in comparison.

What setting suits an emerald?

One that protects the stone. Metal around the edge of the emerald, rather than unprotected claws, cushions the corners and edges that are most exposed. The setting is also a chance to flatter the particular shape of your stone.

See emeralds in person

Colour is impossible to choose from a screen. Come and see a small group of emeralds together, in daylight and indoors, and we will talk you through how each one would look set in a ring. Explore our gemstone engagement rings and we will have a selection ready when you visit.