The Timeless Allure of Rare Coloured Gemstones: A Glimpse into SICO International's Exquisite Collection

A brilliant, rare Ruby gemstone supplied by SICO International, Hatton Garden London UK

Nestled in the heart of London's historic Hatton Garden, SICO International stands as a beacon for connoisseurs and collectors seeking the world's most exquisite rare coloured gemstones. With a legacy spanning nearly three decades, our boutique firm has earned a reputation for sourcing and curating exceptional rubies and sapphires that captivate the senses and tell stories of timeless elegance.

A Legacy of Excellence

Founded in 1996, SICO International has grown to become one of London's premier dealers in loose gemstones. Our commitment to quality and authenticity has positioned us as a trusted name among jewellers, designers, and private collectors alike. Each gemstone in our collection is meticulously selected for its unique characteristics, ensuring that our clients receive pieces that are not only beautiful but also of unparalleled quality.

The Majesty of Rubies

Often referred to as the "King of Gemstones," rubies have long been cherished for their deep red hues and symbolic significance. At SICO International, we specialise in sourcing rubies from renowned origins such as Burma, (Myanmar), Thailand and Africa. Our collection features a range of rubies, including rare unheated stones that showcase the gem's natural brilliance and depth of colour.

The Enchantment of Sapphires

Sapphires, with their mesmerising blue tones, have been associated with royalty, wisdom, and divine favour throughout history. Our curated selection includes sapphires from esteemed locales like Burma, Sri Lanka and also Madagascar. Each sapphire is chosen for its clarity, cut and colour saturation, offering clients a gemstone that embodies both beauty and significance.

A stunning, oval Sapphire supplied by SICO International, Hatton Garden, London UK

Why Choose SICO International?

• Expertise: With decades of experience, our team possesses an in-depth understanding of gemstone quality and market trends.

• Authenticity: We provide certification and detailed provenance for each gemstone, ensuring transparency and trust.

• Personalised Service: Our boutique approach allows us to offer tailored consultations, helping clients find the perfect gemstone to match their vision.

Contact Us

To schedule a private consultation or inquire about our collection, please contact us at:

Phone: +44 (0) 20 7831 3650 / Email: anthony@sico.net.

Discover the timeless beauty of rubies and sapphires with SICO International—where tradition meets excellence.