The Complete Gemstone Guide

Diamond

A natural gemstone prized for exceptional brilliance, rarity and durability. Diamond is the hardest naturally occurring mineral and is especially popular in engagement, wedding and fine jewellery.

Lab-Grown Diamond

Created in controlled laboratory conditions with the same crystal structure and fundamental physical and chemical properties as natural diamond, offering genuine diamond brilliance without being mined.

Sapphire

A durable variety of corundum best known for rich blue tones, although natural sapphires can occur in many colours including pink, yellow, green and white.

Ruby

A vivid red variety of corundum prized for its rich colour, strength and traditional association with passion, love and fine jewellery.

Explore jewellery

Emerald

A treasured green variety of beryl recognised for its distinctive colour. Natural inclusions are common and often contribute to the individual character of each emerald.

Aquamarine

A naturally occurring blue to blue-green variety of beryl admired for its clear, fresh colour and elegant appearance. Aquamarine is traditionally associated with the sea.

Morganite

A naturally occurring pink to peach variety of beryl appreciated for its soft pastel colour and romantic appearance, particularly in contemporary fine jewellery.

Opal

A natural gemstone celebrated for its distinctive play of colour. Depending on the variety, opal may display flashes of blue, green, red, orange and other colours.

Opalite

A man-made glass material recognised for its luminous blue, milky and sometimes warm-toned appearance. Opalite should not be confused with natural opal.

Moonstone

A natural feldspar gemstone known for its soft, glowing appearance and adularescence, creating a floating sheen that appears to move across the stone.

Rainbow Moonstone

A natural feldspar material valued for flashes of blue and rainbow-like colour against a pale or translucent body. It is closely associated with traditional moonstone jewellery.

Pearl

An organic gem formed within molluscs and appreciated for its soft lustre and timeless elegance. Pearls require gentler care than many mineral gemstones.

Topaz

A natural gemstone available in several colours, including colourless, yellow, pink and blue. Blue topaz is particularly popular for its bright and versatile appearance.

Amethyst

A naturally occurring purple variety of quartz ranging from delicate lilac to rich violet, valued for its distinctive colour and versatility.

Citrine

A yellow to golden-orange variety of quartz prized for its warm, sunny colour and attractive clarity.

Rose Quartz

A pale to medium pink variety of quartz appreciated for its soft colour and often translucent appearance.

Smoky Quartz

A natural variety of quartz displaying transparent brown, grey and smoky tones, giving jewellery a distinctive and sophisticated appearance.

Garnet

A group of natural gemstones often associated with deep red tones, although garnets can also occur in green, orange, yellow and other colours.

Peridot

A naturally occurring gemstone recognised for its fresh yellow-green to olive-green colour and characteristic brightness.

Tanzanite

A rare natural gemstone found primarily in Tanzania and admired for its distinctive blue, violet and purple tones.

Tourmaline

A versatile natural gemstone family occurring in an exceptional range of colours, including pink, green, blue and multi-coloured varieties.

Spinel

A naturally occurring gemstone available in colours including red, pink, blue, purple and black. Fine spinel is prized for its brilliance and durability.

Zircon

A natural gemstone known for strong brilliance and fire. Zircon occurs naturally in several colours and should not be confused with cubic zirconia.

Moissanite

A highly brilliant gemstone material generally created in laboratories for jewellery. It offers exceptional sparkle, strong durability and more fire than diamond.

Cubic Zirconia

A laboratory-created crystalline material designed to provide a bright, diamond-like appearance at an accessible price point. Cubic zirconia is not the same as natural zircon.

Onyx

A variety of chalcedony commonly seen in rich black jewellery designs, offering a smooth, dramatic appearance and strong contrast with precious metals.

Agate

A variety of chalcedony known for its bands, patterns and broad range of natural colours. Each piece can display distinctive individual markings.

Chalcedony

A microcrystalline form of quartz valued for its smooth appearance and broad palette of colours, including blue, white, grey and pink.

Turquoise

A natural opaque gemstone famous for its blue to blue-green colour, sometimes displaying distinctive darker matrix patterns.

Lapis Lazuli

A rich blue ornamental gemstone material traditionally valued for its intense colour and occasional golden pyrite flecks.

Malachite

A natural green mineral recognised for its dramatic bands and swirling patterns. Every cut stone can display a unique arrangement of colour.

Jade

A traditional gemstone term primarily referring to jadeite or nephrite, prized for toughness, smooth texture and shades ranging from green to white and lavender.

Labradorite

A natural feldspar gemstone known for labradorescence, producing striking flashes of blue, green, gold and other colours as the stone moves.

Tiger's Eye

A natural quartz material recognised for its golden-brown colour and distinctive moving band of light known as chatoyancy.

Hematite

An iron-rich mineral commonly polished to a dark metallic grey finish, giving jewellery a sleek and contemporary appearance.

Amber

An organic jewellery material formed from fossilised tree resin. Amber is typically golden yellow to warm brown and may display natural internal characteristics.

Helpful note: Natural gemstones may vary slightly in colour, pattern, clarity and character, making every stone individual. Lab-grown, synthetic and man-made stones are identified where appropriate. Product photographs are provided as a guide, so please check each product’s individual specifications before purchasing.