Jewellery Know-How

From fascinating gemstone facts to how to care for your pearls, our know-how section will give you all the knowledge you need to buy luxury jewellery with confidence.

Ben Day Firefly opal ring
KNOW-HOW

Know your opals

Andrew Geoghegan Clair de Lune ruby engagement ring
KNOW-HOW

The hard truth about birthstone engagement rings

Lorenz Baumer Cardinale rubellite ring, seen at Paris Couture Week
KNOW-HOW

Ruby, rubellite or red spinel: which rouge are you?

Chanel's Les Brins de Printemps peridot bracelet
KNOW-HOW

Peridots: the fascinating story behind August’s birthstone

Gemstones from around the world
KNOW-HOW

Where do semi-precious stones come from?

Hallmarking punches
KNOW-HOW

A comprehensive guide to precious metals

Heritage Bulgari Seven Wonders Colombian emerald necklace
KNOW-HOW

Colombian vs. African emeralds: what's the difference?

Moussaieff scarf clip with a 57.21ct Paraiba tourmaline 26cts of emeralds and 2.88cts of diamonds set in platinum.
KNOW-HOW

Paraiba tourmalines: Brazilian vs. African

Mimata chalcedony ring
KNOW-HOW

Gemstone du jour: cool blue chalcedony

If you don't live near to a cluster of fine jewellers, start by looking online. Brands such as 77Diamonds offer extensive collections on their website, allowing you to choose the cut, colour and clarity of your diamond, and to pick from a choice of settin
KNOW-HOW

How to buy an engagement ring: an essential guide

Jessica Poole Hexagon solitaire diamond engagement ring in brushed platinum with white diamonds.
KNOW-HOW

Engagement ring styles: how to tell your halo from your solitaire

Tiffany & Co. has perfected the round brilliant cut over the last 125 years and according to the jeweller it is "arguably the quintessential diamond and certainly among the most radiant".
KNOW-HOW

Round brilliant diamond engagement rings: unrivalled in popularity and sparkle

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