Three loose gemstones on a white background: a yellow cushion-cut diamond, a pink emerald-cut diamond, and a light purple pear-cut diamond.

Search Fancy Colour Diamonds

Search thousands of natural fancy coloured diamonds from our global supplier network. Filter by colour, shape, carat weight and price to find the perfect stone for your next jewellery project.
A yellow pear-cut diamond gemstone displayed on a textured black surface, with tweezers and a loupe microscope in the background.

Find Your Perfect Fancy Colour Diamond

Search our extensive selection of certified natural diamonds sourced through our global supplier network. Compare individual diamonds across a wide range of shapes, carat weights, colours, clarities and grades to find the perfect stone.

Use the filters above to refine your search by shape, carat weight, colour, clarity, cut and price, making it easy to find a diamond that meets your exact requirements and budget.

A close-up of a hand wearing a yellow diamond ring with silver-colored side stones on a neutral beige background.

Certified Fancy Colour Natural Diamonds for Fine Jewellery

Whether you're a jeweller sourcing a diamond for a client or selecting the perfect stone for your own piece, our natural fancy colour diamond search gives you access to individually graded diamonds with detailed specifications and certification.

Our loose natural diamonds are ideal for engagement rings, wedding jewellery, earrings, pendants, bespoke designs and stone replacements, giving you the freedom to choose the diamond before creating the finished piece.

Four loose colored gemstones in pink, yellow, blue, and green are arranged on a brushed metal surface beside a pair of metal tweezers.

Need Help Choosing a Fancy Colour Diamond?

Not sure which diamond is right for your project? Contact us or message us on WhatsApp and we'll be happy to help you source a suitable stone based on your preferred carat weight, dimensions, shape, colour, clarity and budget.

A diamond carat caliper measuring a round brilliant-cut diamond, with two loose diamonds displayed on a light beige background.

Looking for Natural Melee Diamonds?

For smaller stones and calibrated sizes, explore our Natural Diamond Melee collection. Available in a range of shapes and sizes, our natural melee diamonds are carefully selected for exceptional brilliance and consistency, making them ideal for pavé settings, jewellery repairs and bespoke designs.

Gold tweezers holding a diamond next to a loupe on a marble surface

Responsible Sourcing

Ethically sourced with complete confidence


We believe exceptional diamonds should also be responsibly sourced.

Every natural diamond we supply originates from trusted suppliers who adhere to the Kimberley Process, helping prevent the trade of conflict diamonds.

We work exclusively with reputable, transparent suppliers who share our commitment to ethical sourcing, quality and integrity.

Great selection of stones

"Wonderful. Great selection of stones and a super easy filtering and ordering process
Communication was good at keeping me informed and the stone arrived with a reasonable time. Couldn’t be happier, highly recommend"

David G

Everything arrived quickly, securely packed, and presented well

"I ordered a blue lab-grown diamond from The Carat Club and I’m genuinely impressed. Shipping and packaging were excellent. Everything arrived quickly, securely packed, and presented well. No horror story here, which is refreshing considering how many online jewellery purchases turn into anxiety exercises."

Kiin K

What an amazing find

"What an amazing find - The Carat Club, as a jeweller who makes lost wax casting jewellery it's great to have a reliable supplier of fantastic lab diamonds at a cost effective price. I would highly recommend them"

Ewa B

My only stop for diamonds

"We found the customer service extremely helpful and transparent, all questions were answered quickly. Prices and quality are great and because they're UK based they're easy to deal with on a regular basis"

Liam K

Super-excellent quality

"I purchased an IGI-certified lab diamond, and it's of super-excellent quality and exceptionally well-priced. The customer service is truly friendly and helpful. Super reliable and very serious. I will definitely buy again in the future."

Alessio Z

Best place for melee

"Have been using CC for sourcing melee for the jewellery I make for a few years now. Always easy to deal with and my order is always correct and arrives within a few days. Have reccommended to other jewellers I know!"

Katherine W

Easy to use and quality second to none

"Finding the melee you need is really simple and it always arrives well packaged and sizes correct. Quality is second to none too compared to other suppliers I've used in the past"

Marian P

Fabulous Service & Great Quality

"I ordered yesterday and was amazed when my package was delivered this morning by Royal Mail. My items were nicely packed and were of great quality and really good value. I’m very, very pleased and will definitely use caratclub again"

Julie M

Flawless experience

"Flawless experience from the beginning until the end. My items were shipped within the expected delivery date and are super sparkly! The experience was perfect. Thank you to the carat club team"

Ellie B

Found exactly what I need

"Such excellent customer care. I had a very specific need that I couldn't find at their website so I asked them for it. I got an answer in less than 24 hours offering me the perfect solution and made things very easy for me. Totally recommend this website"

Oscar D

Our Promise

At The Carat Club, we believe buying diamonds should be straightforward.

We focus on exceptional quality, honest pricing, ethical sourcing and outstanding customer service, giving jewellers and jewellery designers confidence in every purchase.

From certified centre stones to calibrated melee and matched pairs, every diamond we sell is selected with care and backed by our commitment to quality.

set of loose round diamonds in size order