Aquamarine Meaning and Properties: March's Birthstone

Aquamarine is named after seawater, and honestly the name undersells it. The best stones look like light passing through clear tropical shallows: a fresh, watery blue with just a hint of green, and a clarity so high the gem seems lit from within.

What aquamarine actually is

Aquamarine is a colour variety of the mineral beryl, which makes it a sibling of emerald. Where emerald is treasured for inclusions and depth, aquamarine is prized for the opposite: limpid transparency. It is also a gem that grows big. Like many beryls, it forms large crystals, so sizable faceted stones and carvings are genuinely available rather than museum-only.

Meaning and lore

The name comes from the Latin for seawater, and sailors carried the stone because it was said to calm waves and keep them safe at sea. It was also thought to enhance the happiness of marriages, which is a rather lovely brief for a gem. Aquamarine is the birthstone for March and the gem of the 19th wedding anniversary.

What the best stones look like

The preferred colour is a moderately strong dark blue to slightly greenish blue, and the finest gems combine that colour with high clarity. Aquamarine is pleochroic: look through a dichroscope and the stone appears near colourless in one crystal direction and a stronger blue in another. Good cutters orient the rough so the face-up colour lands on the stronger blue.

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Durability you can live with

At 7.5 to 8 on the Mohs scale, aquamarine is a properly durable gem, in the same conversation as topaz and not far behind sapphire. It takes a polish beautifully, shrugs off everyday wear in rings as well as earrings and pendants, and asks little beyond the usual common-sense care. For a stone that looks this delicate, it is remarkably easy to live with.

Why it suits modern pieces

Because large, clean crystals exist, aquamarine is one of the few gems where a statement-size centre stone is a realistic brief rather than a fantasy budget. Its cool blue sits beautifully against white gold and platinum, and it has become a favourite for people who want a calm, architectural look instead of high-drama sparkle.

Choosing your stone

Because the colour is light, size works in aquamarine's favour: larger stones deepen the apparent blue, which is one reason the gem's big crystals matter. Look for an even colour across the face, a clean, bright interior, and a cut that returns light rather than leaving a window in the middle. And hold the stone at arm's length, the distance other people will actually see it; aquamarine is a gem of quiet presence rather than close-up drama, and it should still read as distinctly blue across a room.

Care

Warm water, a drop of mild soap and a soft brush are all aquamarine asks for. Keep it away from harder stones when stored, and take it off for heavy work, less because it is fragile than because no gem deserves avoidable knocks. Treated that way, it will stay as clear as the day it was cut, decade after decade of regular wear.

Clear water, made for you with Shewah

If aquamarine's cool blue is your colour, tell us the size and setting you have in mind and we will make the piece to order, quoted in full before work begins.

Explore Shewah's jewellery or contact us on WhatsApp at +91 96622 66360 to talk stones.

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Sources

• Aquamarine Gemstone - GIA