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How to purchase small diamonds

Contact us with an enquiry

Alternatively, chat with us online or leave a message

Jobbing Parcels 

For speedy orders, buy online with our jobbing parcel, containing a good spread of small Diamond sizes.  View the jobbing parcel here. Alternatively, order our custom-starter parcel of one size and we'll contact you for your preferred millimetre size. View the custom starter parcel here.

Larger Diamonds

In addition to small Diamond sizes, we have a dedicated certified Diamond service for any type of Diamond. Please see our diamond concierge service

Please advise us on following details if possible

When you enquire about buying smaller Diamonds in sizes below 0.20cts (3.75mm) there are some frequent questions we will ask. If you can answer any of these questions it will help us provide detailed information for you. 

Tell us the Diamond shape you require e.g. Round, Princess cut etc. 

Do you know the mm. size of the Diamonds you need? 

How many Diamonds do you require? Quantity of stones or overall carat weight. 

Do you have any preference for Diamond colour or clarity?

What country do you need delivery to?

Small Ethical Diamonds

If you are interested in purchasing a parcel of small ethically-sourced Diamonds, please feel welcome to browse our current list of Diamond parcels below. There is no minimum order and parcels are sealed as shown in the photograph. Prices are shown on our list excluding 20% VAT for UK and Europe. For international orders, we can send at our listed carriage cost (£12) or we can quote for FEDEX delivery. Within the UK we send by Royal Mail Special Delivery.

Expert Advice, Support and Guidance

At Serendipity Diamonds, we have decades of experience in sorting smaller loose Diamonds. We can match pairs or sets of Diamonds and we have the additional facility of creating ring mounts if required, with a service to mount, set and finish the item for you. 

Countries we ship loose Diamonds to 

We can deliver Diamonds of most sizes across the World. We ship within the UK and to Europe, USA, Canada, Australia, New Zealand, Switzerland, Hong Kong and many more countries. We ship to Europe using International Signed For Delivery. Outside Europe we ship by FEDEX. 

Any Size, Quantity and Shape

We can provide most sizes and shapes of loose Diamonds, along with most qualities, subject to availability. 

What is a small Diamond?

Fully cut and polished Diamonds are available in sizes from below 1mm in diameter upwards. Small Diamonds are typically between 0.005cts (1mm) to 0.25cts (4mm). If you require parcels, sets or small quantities of Diamonds we can sort, match and ship any sizes and shapes of Diamond. We can even commission set of Diamonds cut specially to order for unique commissions. 

100% Natural Diamonds - Conflict Free

All of the Diamonds we sell are conflict free with written assurance of this noted in the documentation provided. At Serendipity Diamonds we only work with 100% natural Diamonds. 


If your Diamonds are unsuitable for the purpose, provided they have not been damaged in any way, you can return them to us to be credited. This is especially useful when over-ordering small Diamonds to ensure you have more than enough for your commission.

Why purchase and use our services?

Serendipity Diamonds not only produced jewellery, but specialises in sorting and selling loose polished Diamonds in all shapes and sizes. We have over 20 years experience sorting and selling to Diamond manufacturers and retailers Worldwide.

Cost Prices for Small Round Diamonds

Minimum order value £25.00 GBP

We have added below a price guide to the cost of smaller Diamonds available in a range of different qualities. Prices are plus VAT with £10 shipping (UK and EU.) Please advise on destination country if outside the UK or Europe. For insured FEDEX shipping outside Europe the cost will be included in your quotation including duty / tax. 

Round Brilliant Cut Diamonds (Available in G VS to G I1 grades)

1mm - 1.7mm (0.005cts - 0.02cts) Prices from £3 - £12 per stone, depending on size and quality of Diamond. 

1.8 - 2.6mm (0.025cts - 0.07cts) Prices from £10 - £40 per stone, depending on size and quality of Diamond. 

2.7 - 3.3mm (0.08cts - 0.13cts) Prices from £40 - £90 per stone depending on size and quality of Diamond. 

3.4 - 3.6mm (0.14 - 0.17cts) Prices from £80 - £136 per stone depending on size and quality of Diamond. 

3.7 - 3.8mm (0.18 - 0.22cts) Prices from £110 - £200 per stone depending on size and quality of Diamond. 

3.9 - 4.2mm (0.23 - 0.29cts) Prices from £160 - £300 per stone depending on size and quality of Diamond. 

Cost Prices for Small Princess Cut Diamonds

The cost of Princess cut Diamonds will be below the above Round Diamond costs. Please contact us for specific prices. 

Diamonds can be ordered as single pieces, in pairs, in sets or in larger quantities. Prices are influenced by both availability, market prices and changes in the £ : $ exchange rate.