Rubies, the birthstone for July, symbolise passion, protection, and vitality. Known for their rich red hue and timeless appeal, rubies have been treasured for centuries as stones of power and love. In this blog, we explore the captivating history, symbolism, and qualities of this fiery gem, and why it’s a perfect choice for July birthdays or any meaningful occasion. Discover what makes rubies one of the most coveted gemstones on earth.

British pop icon Dua Lipa has officially confirmed her engagement to Callum Turner, revealing a bold and bespoke 2-carat diamond ring that’s redefining modern bridal jewellery. Here’s the story behind her one-of-a-kind piece.

Explore the beauty and meaning of June's birthstone, alexandrite and pearl—symbols of love, luck, and transformation.

When it comes to rare and precious gemstones, sapphires have long captivated royalty, collectors, and connoisseurs alike. At Sico International, based in London’s prestigious Hatton Garden, sapphires are not just a speciality — they’re a passion. With over 26 years of global experience, and sourcing offices in Colombo, Sri Lanka, and Chantaburi, Thailand, we offer clients access to some of the rarest and most valuable natural sapphires in the world.

SICO International, nestled in the heart of London's renowned Hatton Garden, stands as a beacon for connoisseurs and collectors seeking the world's most exquisite gemstones. With over 26 years of experience, this family-run enterprise has cultivated a reputation for sourcing and supplying rare, certified gemstones that epitomise luxury and authenticity.

The demand for rare colored gemstones – especially rubies and sapphires – is surging in 2025. Global market research predicts the colored gemstone sector will more than double by 2035, growing from about $1.9 billion today to $5.7 billion.

In the heart of London, SICO International stands as a beacon for connoisseurs and collectors seeking the world's most exquisite rare gemstones. Specialising in precious colored stones—predominantly rubies and sapphires—SICO International has built a reputation for sourcing and supplying gems of unparalleled quality and authenticity. 

Nestled in the heart of London’s Hatton Garden, SICO International stands as a beacon for connoisseurs of rare and exquisite gemstones. With over 26 years of unparalleled expertise, we specialise in sourcing and supplying the finest Rubies, Sapphires, Diamonds and other precious gems to a discerning global clientele.

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.

At SICO International, we pride ourselves on offering an exquisite selection of precious gemstones, with a particular emphasis on rubies and sapphires. Our commitment to quality and authenticity ensures that each gemstone we provide meets the highest standards, making them perfect for both collectors and those seeking timeless elegance.​

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.