Why Aquamarine Resonates So Deeply on the South Coast
Aquamarine is a gemstone that instantly evokes the water, the clear, crystalline blue of a calm ocean on a bright morning. For clients in Kiama, Wollongong, Shoalhaven, and across the NSW South Coast, there is something particularly resonant about wearing a stone whose name literally means "seawater" in Latin. It is a gem that feels native to a coastal life.
Beyond its beauty, aquamarine offers a remarkable combination of qualities that make it exceptionally well suited to custom-made jewellery. It belongs to the beryl mineral family — the same family as emerald — and typically forms in large, clean crystals with minimal inclusions, making it one of the most naturally transparent of all coloured gemstones. That exceptional clarity allows aquamarine to be cut in virtually any shape and still achieve a brilliant, window-like transparency.
Historically, aquamarine was carried by sailors as a talisman of safe voyage and calm seas. Today, it symbolises clarity, courage, and calm, making it a deeply meaningful choice for engagement rings and milestone gifts alike.
Drawn to aquamarine? Sara has a curated collection of loose stones in a range of cuts and intensities, available for viewing in Kiama or online.
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A bespoke white gold aquamarine dress ring with diamond and Ceylon sapphire accents, one of Sara's client commissions from the Kiama studio.
Where the World's Finest Aquamarines Come From
Brazil is the world's primary and most celebrated source of fine aquamarine. The state of Minas Gerais in particular has yielded some of history's most spectacular specimens — including the legendary Santa Maria stones from the now largely exhausted Santa Maria de Itabira mine, whose name has become a grade designation for the purest, most intensely coloured aquamarines found anywhere in the world. The Santa Maria Africana designation applies to similarly coloured stones from Zambia.
Additional sources of fine aquamarine include Nigeria, Madagascar, Pakistan, Afghanistan, and even Australia, though Brazilian stones remain the benchmark for the combination of intense colour and large, clean crystals. The finest aquamarines display a deep, pure sky blue with no hint of green; the closer to pure blue, the more valuable the stone.
Unlike some coloured gemstones whose origins are difficult to verify, Brazilian aquamarines are extensively documented through established supply chains. Sara sources her stones from trusted suppliers with full provenance disclosure, ensuring that every aquamarine in her Kiama studio comes with a transparent chain of custody from mine to jewellery bench.
A custom Paraiba-colour aquamarine ring with diamond halo, the intense teal-blue is reminiscent of Paraiba tourmaline at a fraction of the price.
Designing with Aquamarine: Versatility Meets Beauty
Aquamarine sits at 7.5 to 8 on the Mohs hardness scale, durable enough for everyday rings when set with care, and ideal for pendants, earrings, and statement pieces. Its relative softness compared to sapphire or diamond means it benefits from protective settings such as bezels or low-profile claws for engagement ring use, but with sensible care it is a perfectly practical stone for daily wear.
One of aquamarine's most notable design qualities is its versatility in cut. The stone's excellent clarity and large available crystal sizes mean it can be fashioned into dramatic emerald cuts, which showcase its glassy transparency, as well as ovals, rounds, cushions, and freeform shapes. Lighter-coloured stones benefit from larger carat weights, which allow the colour to develop fully; the difference between a 1ct and a 3ct aquamarine can be striking in terms of colour depth.
In terms of metal pairings, aquamarine is exceptional in white gold and platinum, which allow its cool blue to appear pure and electric. Yellow gold creates a beautiful contrast, warming the stone's tone slightly. Rose gold offers a romantic, contemporary look that has become increasingly popular in Sara's Kiama studio. Jewellery remodelling with an existing aquamarine, whether resetting a family piece or reimagining a vintage ring, is another specialty that Sara particularly enjoys.
Left: Three client commissions illustrating how aquamarine transforms across different settings and colour intensities. Right: Sara's personally curated loose aquamarine collection in the Kiama studio.
The Meaning and Value of Aquamarine
Aquamarine is the birthstone for March and the traditional gift for 19th wedding anniversaries, making it one of the most symbolically resonant stones for milestone celebrations. Its associations with calm, clarity, and courage have carried across cultures for millennia; Roman fishermen called it "the treasure of mermaids," and medieval Europeans believed it was the gem most capable of dispelling anxiety and bringing peace to its wearer.
In terms of value, the primary driver is colour: deep, pure blue stones, especially those in the Santa Maria grade, command significant premiums over lighter or more greenish specimens. Clarity is generally very high for aquamarine, so major inclusions are unusual and would significantly affect value. Cut quality matters enormously, as a well-proportioned stone will display its colour far more effectively than a shallow or poorly executed cut.
Most aquamarine on the market has been heat treated to remove greenish tones, a stable, permanent process that is fully accepted in the gem trade and does not affect value. Untreated aquamarines of deep colour do exist and command a modest premium among collectors. Sara discloses the treatment status of every stone she works with, ensuring clients in Kiama, Sydney, and across New South Wales can make fully informed decisions.
