Ruby and Sapphire gemstones sourced by SICO International, London At SICO International, we pride ourselves on offering an exquisite...

SICO International has been at the forefront of the global gemstone industry, specialising in sourcing the finest and rarest gemstones.

Discover the World's Finest Gemstones with Sico International: Excellence, Expertise, and Authenticity

Top 5 Rare and Unique Gemstones in the World: A Journey Into Earth’s Hidden Treasures

When it comes to high-quality gemstones, SICO International stands as one of the most reputable suppliers in the heart of London.

From Sonoranite to Padparadscha Sapphires, these unique stones are adding fresh inspiration for collectors & designers

This exquisite 18-carat emerald-cut diamond is a symbol of the couple’s enduring romance and Beyoncé's timeless style.

Kate Middleton’s engagement ring, featuring a stunning 12-carat Ceylon sapphire, a royal heirloom steeped in history.

Learn how to spot high-quality rubies, sapphires, and diamonds by understanding key factors such as colour, clarity, cut, and carat.

Discover how the right gemstone cut can dramatically enhance the beauty and value of sapphires, rubies, and diamonds.

Discover the timeless beauty and symbolism of September's birthstone, the sapphire.

Gemstones are timeless treasures. To ensure they remain in pristine condition for years to come, proper care is essential.

In this article, we explore the key factors that influence the value of gemstones, such as rarity, demand, and quality

Rubies are symbols of passion, protection, and prosperity. The ruby gemstones have been revered since ancient times. Rubies have been...

Sico International has been based in the heart of London’s jewellery district, Hatton Garden since 1996. During those 26 years, we’ve...

Sico International is a leading, gemstone trader located in London. As with many of the jewellers here in thriving Hatton Garden, we...

Sico International was founded by professional gemstone expert, Anthony Aziz in 1996. Anthony first started working in the industry with...