GIA-Certified · Entirely Tax-Free · Visit Our Waterfront Showroom in George Town
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Diamonds

GIA-Certified Diamonds in Grand Cayman

GIA-certified diamonds and loose diamonds in every shape, from round and oval brilliants to fancy colored diamonds, chosen for brilliance and sold entirely tax-free.

Grand Cayman

The Diamond Store in Grand Cayman

IDC Cayman is the diamond store in Grand Cayman for GIA-certified diamonds, a short walk from the George Town cruise pier. Every significant diamond we sell is independently graded by the Gemological Institute of America, and we keep a curated inventory of loose diamonds you can view, compare, and set your own way.

You do not need to learn the 4Cs before you visit, that is our job. We put diamonds in your hand, show you where your budget works hardest, and because the Cayman Islands charges no sales tax and no VAT, the price on the tag is the price you pay.

The Collection

Diamonds & Diamond Jewelry

Certified loose diamonds, diamond stud earrings, pendants, and tennis pieces from our George Town showroom. View any piece in detail or ask us to source a stone.

Fancy Yellow Diamond Teardrop Pendant

Fancy Yellow Diamond Teardrop Pendant

Pendants
Fancy Yellow Diamond Round Cluster Pendant

Fancy Yellow Diamond Round Cluster Pendant

Pendants
Fancy Yellow Diamond Cluster Pendant

Fancy Yellow Diamond Cluster Pendant

Pendants
Fancy Yellow Diamond Round Cluster Pendant

Fancy Yellow Diamond Round Cluster Pendant

Pendants
Fancy Yellow Diamond Cushion Pendant

Fancy Yellow Diamond Cushion Pendant

Pendants
Pink Diamond Round Pendant

Pink Diamond Round Pendant

Pendants
Pink Diamond Pear Pendant

Pink Diamond Pear Pendant

Pendants
Fancy Yellow Diamond Oval Pendant

Fancy Yellow Diamond Oval Pendant

Pendants
Pink Diamond Radiant Pendant

Pink Diamond Radiant Pendant

Pendants
Pink Diamond Cushion Pendant

Pink Diamond Cushion Pendant

Pendants
Diamond Vintage Pendant

Diamond Vintage Pendant

Pendants
Pink Diamond Round Pendant

Pink Diamond Round Pendant

Pendants
View the Full Shop
Rare Color

Fancy Colored Diamonds

Fancy colored diamonds are graded on the strength and purity of their color, the opposite of how white diamonds are judged. Ask us to source a pink, blue, yellow, black, chocolate, champagne, green, or cognac diamond, each GIA-certified and tax-free.

Pink

A pink diamond ring is one of the rarest things you can own. We source certified pinks from the palest blush to vivid rose for a truly personal center stone.

Black

Bold and modern, a black diamond ring pairs beautifully with white diamonds and white gold for high contrast and real presence.

Yellow & Canary

Warm, sunny yellows through to vivid canary. A yellow or canary diamond ring looks stunning framed by a halo of white diamonds.

Chocolate

Rich brown diamonds, often called chocolate diamonds, flatter warm skin tones and look wonderful set in rose or yellow gold.

Blue

From soft sky to deep ocean, a blue diamond ring is a rare, collectible choice. We help you match tone, saturation, and setting.

Champagne

Soft golden-brown champagne diamonds bring gentle warmth at a friendlier price than pink or blue.

Green

Naturally green diamonds are exceptionally scarce, with subtle mint to forest hues that reward a close look.

Cognac

Deep amber cognac diamonds carry a vintage warmth that stands out in a solitaire or a cluster.

Choosing Your Diamond

The 4Cs, Made Simple

Cut

The most important C. Cut controls how brightly a diamond throws light back as fire and sparkle. A superb cut can outshine a higher grade that was cut poorly.

Color

How close a white diamond comes to truly colorless, graded D (colorless) down to Z. G-H reads bright white to the eye at a smart price.

Clarity

The tiny natural marks inside a diamond, from Flawless to Included. VS1-VS2 stones look clean to the naked eye and give you the best value.

Carat

Carat is the weight of a diamond, not its size. A well-cut 1/2 carat diamond ring can look larger than a heavier stone, and an oval usually wears bigger than a round of equal weight.

Find Your Shape

Diamond Shapes

Round Brilliant

The classic round diamond ring shape, cut with 58 facets tuned for maximum sparkle. It suits every setting and never dates.

Oval

An oval diamond ring stretches the finger and reads larger than its carat weight, which is why so many couples choose it now.

Cushion

A soft square with rounded corners and romantic, vintage-inspired faceting that catches candlelight.

Emerald Cut

Long step-cut facets give a clear, hall-of-mirrors look that shows off a clean, high-clarity stone.

Pear

A teardrop that points down the finger, striking as a solitaire and lovely in a pendant.

Princess

A crisp, modern square brilliant with sharp corners and plenty of fire.

GIA Certification

Why a GIA Report Matters

A GIA diamond grading report is an honest, independent read on a diamond from gemologists with no stake in the sale. It is the difference between trusting a description and knowing the truth, which is why every GIA-certified diamond at IDC Cayman comes with its report and a plain walk-through before you buy.

Questions

Good to Know

What does GIA certification mean?
The Gemological Institute of America is the independent lab that created the 4Cs and grades diamonds with no stake in the sale. A GIA report spells out a diamond's cut, color, clarity, and carat weight, so you know exactly what you are buying instead of taking a seller's word for it.
Why does IDC Cayman only sell GIA-certified diamonds?
Certification protects you. Every significant diamond in our George Town showroom is graded by GIA rather than assessed in-house, which takes the guesswork out of quality. We sit down with you, walk through the certificate, and explain every grade in plain English before you decide.
What is the difference between natural and lab grown diamonds?
A natural diamond formed in the earth over billions of years, while a lab grown diamond is made in a machine in a few weeks. They look identical to the eye and share the same chemistry, but natural diamonds hold a rarity and resale value that lab grown stones do not. We carry GIA-certified diamonds of both kinds and will lay out the price and value trade-offs so you can choose with clear eyes.
Can I buy a loose diamond and choose the setting separately?
Yes. We keep an inventory of GIA-certified loose diamonds in every popular shape, carat weight, color, and clarity. Pick your loose diamond, then pair it with a setting from the collection or a design we make for you. If you want a specific stone we do not have in stock, we will source it to your exact brief.
Do you carry diamond stud earrings, tennis bracelets, and tennis necklaces?
We do. Diamond stud earrings, a diamond tennis bracelet, and a matching diamond tennis necklace are three of the most requested pieces at our diamond store in Grand Cayman. We can match carat weight across a pair of studs or along a line bracelet so the diamonds look even from every angle.
How much can I save buying diamonds tax-free in Grand Cayman?
The Cayman Islands charges no sales tax and no VAT on diamonds, so the ticket price is the final price. American and Canadian visitors save the equivalent of their home sales tax or GST and PST, UK and European buyers skip 20%+ VAT, and Australians skip 10% GST, all at the register with no refund paperwork.
Select Your Stone

Find Your Diamond

Visit us in George Town and we will guide you, stone in hand, to the diamond that is right for you.

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