Why Emerald Remains One of the World's Most Desired Gemstones
Emeralds are among the four precious gemstones, alongside diamonds, rubies, and sapphires, and the only one defined entirely by colour. There is no other gemstone that produces the same pure, vivid green: that sense of living light, lush and saturated, that has captivated humanity since Cleopatra adorned herself with emeralds mined from her own Egyptian mines some two thousand years ago.
Their colour comes from trace elements of chromium and vanadium within the beryl crystal structure, the same mineral family as aquamarine, but with a colour intensity that makes emeralds feel like an entirely different creature. The finest specimens glow with what gemmologists describe as "inner fire", a richness of colour that seems to come from within the stone rather than simply reflected off its surface.
Natural inclusions in emeralds are so universally present that they have their own name: the jardin, French for garden. Far from being a flaw, the jardin is considered proof of natural origin and an intrinsic part of each stone's unique character. For clients considering an emerald for custom-made jewellery or a coloured stone engagement ring, this is a feature to embrace rather than resist.
Considering an emerald for your next piece? Sara has a curated selection of fine Colombian emeralds available for viewing in Kiama or online.
Book a Consultation
A client's heirloom emeralds reborn. This wide-band dress ring was remodelled in Sara's Kiama studio, giving a treasured stone an entirely new life.
Colombia, Zambia, and the Geography of Green
Colombia has been the world's premier source of fine emeralds for over five hundred years, and its Muzo, Coscuez, and Chivor mines continue to set the global benchmark for colour and quality. Colombian emeralds are prized for their pure green hue, often with a slightly warm, slightly bluish undertone that gives them a depth and richness unmatched by any other source. A certified Colombian emerald of fine colour is as prestigious a provenance designation as Kashmir for sapphires or Burma for rubies.
Zambia has emerged as the world's second-most-important source, producing emeralds with a distinctive cooler, slightly bluish-green colour and often better clarity than Colombian stones. Brazilian emeralds tend toward yellowish-green and are generally less saturated, though fine specimens exist. Other notable sources include Ethiopia, Zimbabwe, and Australia, where emeralds have been found in New South Wales and Western Australia, though not in commercial quantities.
Sara specialises in sourcing Colombian emeralds for their unrivalled colour intensity, and can guide clients through the important distinctions between origin, treatment status, and certification. A certificate from GIA, Gübelin, or AGL confirming Colombian origin and documenting fracture filling adds meaningful provenance value and is always recommended for stones of significant size or investment quality.
A bespoke Colombian emerald dress ring with baguette diamond shoulders, designed and handcrafted in Sara's Kiama studio for a discerning South Coast client.
Setting Emeralds: What Every Client Should Know
Emeralds rate 7.5 to 8 on the Mohs hardness scale, hard enough for regular wear, but requiring more care than a diamond, sapphire, or ruby. Their characteristic inclusions can create planes of weakness that make them more vulnerable to impact than their hardness rating alone would suggest, which is why setting style matters significantly. Bezel settings offer the most protection; four or six-claw settings are elegant but leave more of the stone exposed. Sara discusses setting options in detail at every consultation, balancing beauty with practical longevity.
Most natural emeralds, estimated at 90% of the market, have been fracture-filled with oils or resins to improve their apparent clarity. This is a traditional, accepted practice that dates back centuries, but it means emeralds should not be cleaned in ultrasonic cleaners or exposed to steam, harsh chemicals, or high heat, as these can remove or damage the filling. Sara always discloses treatment status and provides care guidance with every piece she makes.
In terms of design, emeralds are most commonly seen in the emerald cut, a step-cut rectangle with cropped corners that was literally developed for this stone, its broad facets showcasing the colour without obscuring the jardin. Oval and cushion cuts are also popular, offering more sparkle. Yellow gold has been the traditional companion metal for centuries, warming and amplifying the green. White gold and platinum create a cooler, more contemporary contrast. Jewellery remodelling with heirloom emeralds is a particular passion of Sara's, transforming loved stones into modern treasures for the next generation.
Left: A bespoke emerald engagement ring with diamond halo, a commission from a Sydney client, crafted in Sara's Kiama studio. Right: A fine Colombian emerald from Sara's personally curated loose stone collection.
The Value and Meaning of Emerald
Emerald is the birthstone for May and the traditional gift for 20th and 35th wedding anniversaries, symbolising truth, love, and renewal. These associations are ancient: in Roman mythology, emerald was sacred to Venus, goddess of love; in many Eastern traditions, it was believed to grant foresight and wisdom. For clients in Kiama, Sydney, and across the NSW South Coast, an emerald represents one of the most historically resonant gift choices in all of fine jewellery.
In terms of value, the primary driver is colour: pure, vivid green stones with minimal blue or yellow undertones and strong saturation command the highest premiums. Clarity, specifically the degree and visibility of the jardin, is the second factor. A truly eye-clean emerald is exceptionally rare and commands prices that can exceed fine diamonds per carat. Carat weight, cut quality, and provenance (Colombian being the most prestigious origin) complete the value equation.
Fine unheated, untreated emeralds of deep colour are among the rarest and most valuable coloured gemstones in the world. Even treated stones of fine colour represent sound investments when certified and purchased through a reputable source. Sara offers transparent, itemised guidance on stone selection and value, backed by her gemmological qualifications and extensive sourcing relationships.
