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Home / Diamonds / Emerald Cut Diamonds

Certified Emerald Diamonds — Antwerp

The Art Deco icon — hall-of-mirrors clarity and sophisticated step-cut elegance in every certified stone.

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Our Current Stock

Emerald Cut Diamonds

Hand-picked certified emerald cut diamonds from our current stock — at prices up to 75% below retail.

Expert Advice

Why Choose an Emerald Cut Diamond?

The emerald cut diamond is the most architecturally refined shape in the diamond world. Developed in the 1920s alongside the Art Deco movement, this rectangular step-cut design prioritises clarity, transparency and understated elegance over the fire and scintillation of brilliant-cut shapes. Its long, parallel facets — arranged in concentric rectangular steps — create the famous hall-of-mirrors effect: a mesmerising interplay of light and dark that is unlike anything a brilliant cut can produce.

Aesthetic

The Hall-of-Mirrors Effect

The emerald cut's step-cut facets create deep, dramatic flashes of light and dark — the iconic "hall-of-mirrors" effect that no brilliant cut can replicate. This produces a calm, sophisticated beauty that whispers rather than shouts: the preferred choice for buyers who value elegance over spectacle.

Elegance

Art Deco Architectural Refinement

The emerald cut was born in the Art Deco era and embodies its defining values: geometric precision, linear clarity and architectural restraint. A well-cut emerald diamond looks as if it belongs in a museum of 20th-century design — and it has never gone out of fashion in over a century of wear.

Presence

Larger Face-Up Appearance

The emerald cut's rectangular outline gives it a larger face-up surface area than a round brilliant of the same carat weight. Its open table — the large, flat top facet — makes the stone appear exceptionally generous on the finger, creating a bold, confident visual presence.

Value

Lower Price Per Carat

Emerald cut diamonds typically cost 20–30% less than a comparable round brilliant. The step-cut faceting requires less precision in the cutting process than a round, and demand — while strong — is lower than for brilliant cuts. The result: exceptional stones at meaningfully lower prices.

Transparency

Unrivalled Depth & Clarity

The emerald cut's open, windowed facets allow you to look deep into the stone — something no brilliant cut permits. This transparency is a double-edged virtue: it rewards high clarity grades with extraordinary depth and beauty, and it demands that you invest in quality you can actually see.

Demand

The Luxury Market's Favourite

The emerald cut is the dominant shape in the ultra-luxury diamond market, consistently appearing on the world's most valuable engagement rings and celebrity jewellery collections. Its association with sophistication and discretion has driven sustained demand across decades — making it one of the most stable choices for long-term investment.

Expert Advice

Your Guide to Emerald Cut Diamonds

Setting recommendations for certified emerald cut diamonds

The emerald cut's clean, rectangular outline and open table suit a range of setting styles — but the most important consideration is corner protection. The emerald's four bevelled corners are not as vulnerable as the sharp 90° corners of a princess cut, but a 4-prong or bezel setting that covers each corner is still recommended for daily wear.

A classic east-west 4-prong solitaire is the defining emerald cut setting — it shows off the stone's long, parallel facets to full effect and keeps the design appropriately minimal. Three-stone settings with tapered baguette side stones are an iconic pairing that reinforces the Art Deco aesthetic. Halo settings are less common with emerald cuts but can work beautifully with a single row of round or baguette surrounds. Bezel settings offer sleek, modern corner protection and look particularly striking in platinum.

What to expect to pay for certified emerald cut diamonds

Emerald cuts offer good value relative to rounds. As a general guide at G colour and VS1 clarity (one grade higher than typical, because the emerald's open table makes inclusions more visible): approximately €850–€1,300 for a 0.50ct stone, €1,800–€3,000 for a 1.00ct, €3,200–€5,500 for a 1.50ct, and €7,000–€12,000 for a 2.00ct.

Note that emerald cut buyers typically invest slightly more in clarity than buyers of brilliant cuts — the open table rewards VS1 or better. At Diamantwerp, our prices are typically 75% below what you would pay at a traditional jeweller for the same certified stone.

Emerald Cut Diamonds in Antwerp

Antwerp is the world's diamond capital — over 80% of the world's rough diamonds pass through the city's diamond district each year. Buying certified natural diamonds in Antwerp means purchasing direct from the source, with none of the retail markups added by high-street jewellers or international online platforms.

At Diamantwerp, our office on Pelikaanstraat 62 sits at the heart of the Antwerp diamond district, allowing us to source emerald cut diamonds directly from cutters and sight-holders and pass the savings to you.

Emerald Cut Diamonds and certification

Unlike round brilliants — which can achieve a Triple Excellent cut grade from GIA — emerald cut diamonds receive no standardised cut grade. GIA grades emerald cuts on polish and symmetry only. For an emerald, this is particularly significant: the step-cut facets are unforgiving of poor proportions, and a badly proportioned emerald will show dark windows or uneven light distribution that is immediately visible through the open table.

When assessing a certified emerald cut, check the table percentage (ideally 60–72%), depth percentage (60–72%), length-to-width ratio (1.30–1.60 for a classic look), and step-facet alignment on the certificate. Every emerald cut diamond at Diamantwerp comes with a verified certificate from GIA, HRD or IGI — and our team walks you through the proportions and clarity grading before you commit.

Certified emerald cut loose natural diamond with elegant step-cut facets – Diamantwerp Antwerp

Four things to understand before you purchase a certified emerald cut diamond — from the unique clarity demands of a step-cut stone, to realistic pricing, to what makes Antwerp the smartest place to buy, and why certification means more for an emerald than for almost any other shape.

Diamond education

How to Choose Your Perfect Diamond

Selecting a certified loose diamond is a personal journey. Every stone is unique, and the right choice depends on a balance of the four fundamental quality factors — known as the 4 C's of diamond

Use our search tool above to filter by cut, colour, clarity and carat weight. Compare certificates, review 360° imagery, and find the stone that matches your taste and budget. Not sure where to start? Our experts are here to help.

Diamond expert examining a certified loose diamond with loupe

Client Experiences

What Our Clients Say

Real experiences from clients who purchased certified loose diamonds through Diamantwerp.

Diamantwerp

5.0Out of 5 stars

Overall rating out of 11 Google reviews

Andrii Trush
6 days ago

Despite some issues with delivery on your side, the product I ordered exceeded my expectations. The quality is at a high level, so overall I am satisfied with the purchase.

Thomas Cester
a week ago

Great experience from start to finish. Communication was clear and professional, and the diamond matched the description perfectly. Very satisfied with the quality and overall service. Highly recommended!

Mirko Paglia
3 weeks ago

Perfecte service, betrouwbaar en Top kwaliteit 👍

Dirk Steurs
3 weeks ago

Zeer tevreden, hetgeen gevraagd is werd ook uitgevoerd….. top!!!!

Maya Malfliet
a month ago

Wij hebben onze trouwringen hier besteld en zijn ontzettend tevreden. Vanaf het eerste moment werden we heel vriendelijk en professioneel geholpen. Er werd echt de tijd genomen om naar onze wensen te luisteren en mee te denken over het ontwerp. De service was perfect: duidelijke uitleg, eerlijk advies en een fijne, persoonlijke benadering. We voelden ons echt welkom en begrepen. Het eindresultaat is prachtig geworden. We zijn er enorm blij mee en dragen ze met trots. Absoluut een aanrader voor iedereen die op zoek is naar kwaliteit, vakmanschap en uitstekende service!

Nadja Weckx
a month ago

Verschillende groottes van parels tentoongesteld, waardoor ik kon kiezen welke perfect bij mij passen. Goede service en top kwaliteit!

Hanne De Mey
a month ago

Brian Beckers
a month ago

Nikki Vermeulen
2 months ago

Zeer tevreden van mijn trouwring. Exact het design waar ik naar verlangde, kwaliteitsvolle uitvoering en een fijne service.

K V.D.
a month ago

We kopen hier ondertussen al meerdere jaren onze edelstenen in alle vertrouwen en transparantie. Telkens de overeengekomen kwaliteit aan de best mogelijke prijs, een tevreden klant hier.

Marie Roggen
2 months ago

Heel professionele en betrouwbare service. Duidelijke uitleg, zonder druk om te beslissen. Alles verliep vlot en correct - zeker een aanrader!

Common Questions

Certified Emerald Cut Diamonds FAQ

Everything you need to know about buying an emerald cut diamond.

Why is clarity so important for emerald cut diamonds?

The emerald cut's large, open table facets act like windows into the stone — unlike a brilliant cut, which uses its facets to scatter light and hide inclusions, the emerald reveals everything beneath its surface. A VS2 inclusion that would be invisible in a round brilliant can be clearly visible in an emerald. For this reason, we recommend VS1 or VVS2 clarity as a minimum for emerald cuts — and always view the stone under magnification before purchasing. Read our full guide on diamond clarity.

What is the best length-to-width ratio for an emerald cut?

For a classic rectangular emerald cut, aim for a length-to-width ratio between 1.30 and 1.60. Ratios below 1.30 appear more square and are sometimes called "square emerald" or "Asscher-adjacent." Ratios above 1.60 can look overly narrow. The most popular range is 1.40–1.55 — long enough to be distinctly rectangular, proportioned enough to avoid looking thin. Always verify the ratio on the GIA, HRD or IGI certificate.

Does the emerald cut sparkle less than a round brilliant?

Yes — and intentionally so. The emerald cut produces broad, dramatic flashes of light and dark (the "hall-of-mirrors" effect) rather than the rapid, multi-directional scintillation of a round brilliant. This is not a flaw; it is the defining character of a step-cut stone. Buyers who choose an emerald cut are choosing depth, transparency and architectural elegance over high-frequency sparkle. If intense scintillation is your priority, a round, oval or cushion cut will suit you better.

What colour grade should I choose for an emerald cut diamond?

The emerald cut's open table makes colour more visible than in a brilliant cut — the large flat facets don't scatter light the way a brilliant's 57 facets do, so body colour is more apparent. For a white, clean-looking stone in platinum or white gold, G or above is strongly recommended — F or better for larger stones (1.50ct+) where colour becomes increasingly visible. H is acceptable in a yellow gold setting. Avoid I or below in an emerald cut: the step facets will show warmth clearly. Read our full guide on diamond colour.

How can your prices be so much lower?

We buy directly from cutters and sight-holders in the Antwerp diamond district — cutting out multiple intermediaries. Our low-overhead business model means we pass the savings directly to you. The same certified loose diamonds from Antwerp, at a fraction of the price. Browse diamonds by budget: under €2,000, under €5,000 or under €10,000.

Is an emerald cut diamond suitable for an engagement ring?

The emerald cut is the engagement ring choice of the truly discerning buyer. It has appeared on some of the most celebrated engagement rings in history — from Grace Kelly's to Beyoncé's — and its association with understated luxury has never wavered. A well-chosen emerald cut says more about taste than any brilliant cut can.

The practical considerations: invest in VS1 or better clarity, as the open table will expose anything lower; choose G colour or above for a white-metal setting; and protect the four bevelled corners with a 4-prong or bezel setting. A classic east-west solitaire is the most timeless choice. We recommend a minimum of 0.50ct so the rectangular outline reads clearly, with 1.00ct or above being the most popular choice — the emerald's generous face-up size means 1.00ct looks significantly larger than a round of the same weight.

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