An oval Colombian emerald framed by baguette and brilliant-cut diamonds in a dramatic fan setting — this is high jewellery at its finest. Matched with a complementary emerald and diamond ring, this set represents the category of jewellery that exists beyond mere adornment: it is wearable art, created at the intersection of exceptional gemology, master craftsmanship, and bold, uncompromising design.
High Jewellery: What It Means and Why It Matters
The term “high jewellery” (or haute joaillerie in French) describes the pinnacle of fine jewellery creation — one-of-a-kind or extremely limited pieces that combine the finest gemstones with the highest levels of craftsmanship and design. The great Parisian jewellery houses (Cartier, Van Cleef & Arpels, Boucheron, Chaumet) publish high jewellery collections that are as much cultural events as commercial offerings, presented in theatrical settings with performance-worthy staging.
At IDC Cayman, our approach to high jewellery is grounded in the same principles as these legendary houses: exceptional stones, impeccable craftsmanship, and designs that have genuine artistic ambition. Our emerald and diamond collections represent the finest stones and settings available in the Caribbean market, curated with expert eyes and presented with the care and ceremony they deserve.
Colombian Emeralds: The Finest in the World
Colombia has been the world’s most important source of fine emeralds for over 500 years, and Colombian emeralds remain the standard against which emeralds from all other origins are measured. The three main Colombian mining regions — Muzo, Chivor, and Coscuez — each produce emeralds with subtly different characteristics, but all share the warm, slightly yellowish-green that gemologists describe as “pure Colombian green,” the most desirable emerald colour in the world.
What makes Colombian emeralds unique is the nature of their inclusions. Unlike inclusions in diamonds, which are typically considered defects, the inclusions in Colombian emeralds — known collectively as the “jardin” (French for “garden”) — are often considered part of the stone’s identity and character. The jardin of a Colombian emerald typically includes fingerprint inclusions (resembling tiny fingerprints), healing fractures filled with fluid, and three-phase inclusions (tiny cavities containing a liquid, a gas bubble, and a crystal) that are characteristic of Colombian origin. Paradoxically, these inclusions are used by gemologists as evidence of Colombian provenance — a “clean” Colombian emerald is actually viewed with some suspicion, as exceptional clarity in Colombian emeralds is extremely rare.
Emerald Oil Treatment: Understanding the Industry Standard
The vast majority of emeralds on the market — including most Colombian emeralds — are treated with colorless oil or resin to improve their apparent clarity. This treatment fills the surface-reaching fractures that are common in emerald (emerald is more included than almost any other precious gemstone), making the stone appear clearer and more beautiful. This treatment is a centuries-old tradition within the emerald trade and is widely accepted within the industry, provided it is disclosed.
At IDC Cayman, we fully disclose the treatment status of all emeralds we carry. Our emeralds are accompanied by laboratory reports from recognized gemological laboratories (typically Gubelin, GIA, or AGL) that specify the treatment type and degree. “None” or “Insignificant” oil treatment commands the highest premiums; “Minor,” “Moderate,” and “Significant” treatment levels are progressively reflected in the price.
The Fan Setting: A Study in Diamond Architecture
The fan setting — in which diamonds are arranged in a fan or radiating pattern around a centre stone — is one of the most theatrical and visually dramatic setting styles in fine jewellery. The design draws its inspiration from the Japanese folding fan, a motif that appeared frequently in Art Deco jewellery of the 1920s (the Deco movement was profoundly influenced by Japanese aesthetics) and has remained a powerful visual concept in jewellery design ever since.
In our emerald and diamond earring set, the fan setting creates a striking visual effect: the emerald at the centre of the fan is framed by an architectural arrangement of baguette-cut diamonds (rectangular step-cut stones) that radiate outward like the ribs of an open fan, supplemented by brilliant-cut diamonds that fill the spaces with additional sparkle. The result is an earring that has genuine sculptural presence — it is equally beautiful seen from the front, the side, and at an angle.
Baguette and Brilliant Diamonds: Two Cuts in Perfect Dialogue
The combination of baguette-cut and brilliant-cut diamonds in our emerald and diamond set is not merely aesthetically interesting — it is a deliberate dialogue between two fundamentally different approaches to diamond beauty.
Baguette diamonds (long, narrow rectangles with a step-cut faceting pattern) produce a very different kind of beauty from brilliant-cut diamonds. Their long, parallel facets create “hall-of-mirrors” reflections — broad flashes of white and coloured light rather than the dancing-point-of-light sparkle characteristic of round brilliants. Baguettes have an architectural, geometric quality that suits Art Deco and contemporary designs. They are calmer than brilliants, which makes them ideal frame stones for a vivid coloured gem like an emerald.
Round brilliant-cut diamonds, by contrast, are all movement and sparkle. Their small size in this setting means they create countless tiny points of light, giving the piece a textural richness and liveliness that the baguettes alone could not provide. The combination of the two cuts — baguette architecture and brilliant sparkle — creates a piece with visual depth and interest that changes with every movement and every lighting condition.
The Matching Ring: Creating a Coordinated Set
The companion ring in our emerald and diamond set is designed to harmonise with the earrings without being merely a miniaturised copy. Using the same stones (Colombian emerald, baguette diamonds, brilliant diamonds) and the same metal in the same colour, the ring echoes the earrings’ design language while having its own integrity as a piece of jewellery. The result is a set that is clearly unified but whose individual pieces each stand on their own merits.
Wearing matched jewellery sets carries a long fine jewellery tradition — the parure (French for “set”) was the defining gift of royalty and aristocracy for centuries, typically consisting of a necklace, earrings, bracelet, and ring in matching design. Our emerald and diamond set (earrings and ring) is a contemporary take on this tradition: the completeness and coherence of a traditional parure in a more wearable, modern format.
Occasions for High Jewellery: When to Wear Your Best
High jewellery pieces demand special occasions — or create them. Our emerald and diamond earring and ring set is the choice for gala dinners, opera and theatre, charity balls, corporate celebrations, milestone anniversaries, and the most important moments of your social calendar. In Grand Cayman, where the social scene combines natural Caribbean beauty with genuine luxury (the island hosts Cayman Cookout, KAABOO Cayman, and numerous international events that attract sophisticated guests from around the world), such occasions arise regularly.
The most memorable way to wear high jewellery is against simplicity. A column gown in champagne silk or midnight blue, clean and minimal, allows the emerald and diamond set to claim its rightful spotlight. The contrast between the elemental simplicity of the dress and the complex brilliance of the jewellery is visually extraordinary — proof that true luxury requires no competition.
Invest in a Masterwork: Emerald and Diamond Jewellery at IDC Cayman
At IDC Cayman, we consider our emerald and diamond high jewellery pieces to be investments in beauty and meaning as much as in value. A Colombian emerald of fine quality, set in a masterwork design, will appreciate in value over time; it will bring joy and beauty for as long as it is worn; and it will be passed down as a precious heirloom that connects generations through the medium of extraordinary craftsmanship.
Visit us in George Town, Grand Cayman, to view our current emerald and diamond collection in person. Our consultation process for high jewellery pieces is unhurried and comprehensive — we will take whatever time is needed to help you understand what you are seeing, appreciate why it is exceptional, and make a choice you will treasure forever. For our international clients, private video consultations and secure worldwide shipping are available. Contact us to begin your high jewellery journey.
Shop at IDC Cayman: Browse our curated collections of diamond earrings, GIA-certified diamond studs, and fine jewellery at IDC Cayman, Grand Cayman’s premier duty-free fine jewellery boutique. Visit our George Town boutique for expert guidance. You may also enjoy our guides to GIA-certified diamonds in Grand Cayman and why IDC Cayman is Grand Cayman’s best jewelry store.



