We specialize in lab-grown diamonds. Best offer in the business
Special prices on the most popular sizes

Round Cut Occassion
Shop IGI-certified round-cut lab diamonds at the best market prices. Enjoy fast delivery: 2-3 days within the EU and 5-7 days to the USA or worldwide.

Fancy Cut Lab-diamonds
With over 50,000 diamonds available, simply let us know the shape, carat weight, color, and clarity you're looking for. We'll send you a selection of IGI certificates and the best market price quote within 24 hours, so you can choose the perfect diamond.
Colored Lab-Grown Diamonds
Colored lab-grown diamonds are available in pink, champagne, blue, green, black and yellow. Similar to natural diamonds, color tones can be mixed, offering a variety of shades. These diamonds come in a range of sizes, starting from melee sizes up to 5 carats, and are available in many popular shapes.

Customer review:
"This is the 6th diamond I’ve purchased and I must say it never disappoints. The stones are absolutely amazing. Simply spectacular. Top quality and a great company to work with. All my items were delivered quick without any delays. Payment process was safe and secure. Awesome customer service. Brilliant diamonds!" Nina | Check more revies
Custom Jewellery
We specialize in custom rings and jewelry, crafting each piece with love and meticulous craftsmanship to bring out its unique beauty and elegance.
Sirius Jewellery
We have designed a special jewelry collection focused on intricate details and lab-grown diamonds. Enjoy shopping our exclusive, never-before-seen collection, available only at our e-shop.



Choose from 50,000 available options!
Send your inquiry directly through the form below.
We handpick the finest laboratory diamonds. Receive the best price offer through email.
Every round-cut gem carries an IDEAL | EX | EX grade—the highest by IGI standards.
We welcome your orders and ship to all corners of the Earth: USA, Canada, Australia, Europe, Asia, the United Kingdom, Africa, New Zealand, and beyond.
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You will receive our reply within 2 working days. If not, don't forget to check your spam folder!
Life is Brilliant!
Experience timeless elegance with Sirius, our exclusive jewellery collection showcasing the unparalleled beauty of lab-grown diamonds. Elevate your style with ethically sourced gems crafted to perfection, ensuring each piece exudes sophistication and grace. Discover the allure of sustainable luxury at Sirius Jewellery.
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