Sapphire

Sapphire is the gem-quality variety of the mineral corundum (aluminium oxide). All corundum that is not red is classified as sapphire — red corundum is ruby. The classic blue colour is caused by trace amounts of iron and titanium. Sapphire rates 9 on the Mohs hardness scale, making it the second hardest natural gemstone after diamond. This exceptional durability makes it one of the best coloured gemstones for engagement rings and everyday jewellery.

Blue sapphire is the most well-known. Pink sapphire ranges from soft pastel to vivid hot pink. Padparadscha sapphire, a rare salmon-pink variety from Sri Lanka, is one of the most coveted coloured gemstones. Yellow sapphire offers a warm, sunny alternative. Green sapphire provides a teal to forest green option. White (colourless) sapphire is sometimes used as a diamond alternative, though it lacks diamond's fire. Colour-change sapphires shift between blue and purple depending on lighting.

The word sapphire comes from the Latin "sapphirus" and Greek "sappheiros," meaning blue stone. Ancient Persians believed the sky was painted blue by the reflection of a giant sapphire on which the earth rested. In medieval Europe, sapphire was associated with the heavens and worn by clergy. The most famous sapphire in modern times is the 12-carat blue sapphire engagement ring given to Princess Diana in 1981, now worn by Catherine, Princess of Wales.

Sapphire symbolises truth, loyalty, nobility, and wisdom. It has been associated with royalty and divine favour across cultures for thousands of years. Blue sapphire in particular represents faithfulness and sincerity, making it the second most popular engagement ring stone after diamond. It is believed to bring clarity of thought, calm the mind, and protect against negative energy.

Lab-grown sapphires are chemically, physically, and optically identical to mined sapphires. They are created using the Verneuil (flame fusion), Czochralski, or flux growth methods. Lab-grown sapphires offer the same stunning colours and 9 Mohs hardness at a significantly lower price. They are an excellent choice for those who want a vibrant coloured stone without the premium of natural sapphire, particularly for engagement rings and statement pieces.

Sapphire's exceptional hardness makes it very easy to care for. Clean with warm soapy water, ultrasonic cleaners, or steam cleaners. Sapphires with fracture filling should be treated more gently. Store sapphire jewellery away from softer gemstones, as sapphire can scratch them. Safe for daily wear in rings, earrings, necklaces, and bracelets.

Blue sapphire engagement rings have surged in popularity, particularly in halo and three-stone settings with diamond accents. Pink sapphire offers a romantic alternative to pink diamond at a fraction of the price. Sapphire stud earrings are a versatile, everyday option. Sapphire eternity bands make stunning anniversary gifts. Lab-grown sapphires make larger, more vivid stones accessible for bold cocktail rings and pendant necklaces.