Loose Diamonds

Natural Diamonds
Formed deep within the earth over billions of years, pushed to the surface through volcanic eruptions, each natural diamond is entirely unique. At 77 Diamonds, we only provide stones that are conflict-free and certified by a leading grading organisation.
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Coloured Diamonds
From vibrant yellows to captivating pinks, start creating jewellery that reflects your individuality. Browse our selection of rare coloured diamonds and choose between yellows, pinks, blues, and greys to find the gem that suits you best.
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Lab-Grown Diamonds
A great alternative to natural diamonds, lab-growns hold the same level of brilliance as any other diamond formed in the earth. Created in a laboratory, they are a fine option if you are looking to create decorative jewellery pieces.
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Diamond Pairs
Although every diamond is unique, sometimes you do need them to be quite similar. If you are looking to create diamond earrings, look through our collection of matching diamonds to find the perfect fit.
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Diamond Education
Purchasing a diamond can seem complex at first, but it doesn't need to be. From cut, to clarity, to carat: read through our helpful guide to learn everything about loose diamonds.
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Shop by shape

Round
Round
Princess
Princess
Cushion
Cushion
Oval
Oval
Pear
Pear
Emerald
Emerald
Heart
Heart
Radiant
Radiant
Asschers
Asschers
Marquise
Marquise
Create Your Own
Engagement Ring
Through three simple steps, create an engagement ring that is entirely personal to you. Start with either a central stone or a ring setting, and design your breathtaking piece.
Start With a Natural Diamond Start With a Lab-grown Diamond
We're Here To Help
Whether you need guidance in choosing the perfect diamond or are generally looking for advice, our expert jewellery consultants are here to assist you.
Book an online consultation Visit our Showrooms