Gemstones

Are you looking for a piece of jewellery with your favourite gemstone? We have a great selection of gemstones for all of our jewellery pieces and our guide will help you select the one that's best for you.

Gemstones have a hardness rating that determines how well they can perform on a daily basis. Softer stones are suitable for occasional wear and harder stones are preferable for bracelets. Every stone in our guide is suited for pendants, earrings, pins and brooches.

Once you've decided on your gemstone be sure to check out our cleaning service to keep your gem sparkling!

Hopefully our guide to the different gemstones available will help you make a great decision!

Amethyst
- Chemical Composition: Si O2
- Hardness: 7
- Refractive Index: 1.54 - 1.55
- Specific Gravity: 2.65
- Lustre: Vitreous
- Locations Where Found: Global
- Colours: Wide variety of colours
Aquamarine
- Chemical Composition:
  Be3 Al2 (Si O3)6
- Hardness: 7.75 - 8
- Refractive Index: 1.57 - 1.58
- Specific Gravity: 2.70
- Lustre: Vitreous
- Locations Where Found: Brazil, USA, Sri Lanka, Madagascar
- Colours: Light Blue, Pale Greenish Blue
Blue Sapphire
- Chemical Composition: Al2 O3
- Hardness: 9
- Refractive Index: 1.76 - 1.77
- Specific Gravity: 4.00
- Lustre: Vitreous
- Locations Where Found: Sri Lanka, Thailand, Madagascar, Pakistan, Australia
- Colours: Blue
Citrine
- Chemical Composition: Si O2
- Hardness: 7
- Refractive Index: 1.54 - 1.55
- Specific Gravity: 2.65
- Lustre: Vitreous
- Locations Where Found: Global
- Colours: Wide variety of colours
Emerald
- Chemical Composition: Be3 Al2 (Si O3)6
- Hardness: 7.75
- Refractive Index: 1.57 - 1.58
- Specific Gravity: 2.65 - 2.76
- Lustre: Vitreous
- Locations Where Found: Columbia, Russia, Egypt, Brazil, Pakistan
- Colours: Green
Opal
- Chemical Composition: (Si O2 x H2O) Amorphous Silica Gel
- Hardness: 5.5 - 6.5
- Refractive Index: 1.45
- Specific Gravity: 2.1
- Lustre: Sub-Vitreous to Resinous
- Locations Where Found: Hungary, Australia, Mexico, Nevada
- Colours: White, Black, Green, Pink, Orange, Red
Peridot
- Chemical Composition: (Mg, Fe)2 Si O4
- Hardness: 6.5 - 7
- Refractive Index: 1.66 - 1.70
- Specific Gravity: 3.34
- Lustre: Oily
- Locations Where Found: Burma, Australia, Norway, St. John's Isle
- Colours: Greenish Yellow, Green, Brown
Pink Sapphire
- Chemical Composition: Al2 O3
- Hardness: 9
- Refractive Index: 1.76 - 1.77
- Specific Gravity: 4.00
- Lustre: Vitreous
- Locations Where Found: Sri Lanka, Thailand, Madagascar, Pakistan, Australia
- Colours: Pink
Ruby
- Chemical Composition: Al2 O3
- Hardness: 9
- Refractive Index: 1.76 - 1.77
- Specific Gravity: 3.99
- Lustre: Vitreous
- Locations Where Found: Burma, Thailand, Sri Lanka, Australia
- Colours: Red, Pink
Tanzanite
- Chemical Composition: Ca2 Al3 (Si O4)3 (OH)
- Hardness: 6 - 7
- Refractive Index: 1.69 - 1.70
- Specific Gravity: 3.35
- Lustre: Vitreous
- Locations Where Found: Tanzania
- Colours: Blue, Violet
Topaz
- Chemical Composition: Al2 (F,OH)2 SiO4
- Hardness: 8
- Refractive Index: 1.61 - 1.62
- Specific Gravity: 3.54
- Lustre: Vitreous
- Locations Where Found: Russia, Brazil, Siberia, Sri Lanka
- Colours: Colourless, Blue, Yellow, Yellowish Brown, Pink
Tourmaline
- Chemical Composition: (Na, Ca) (Li, Mg, Fe, Al)9 B3Si6 (O1OH)31
- Hardness: 7 - 7.5
- Refractive Index: 1.62 - 1.64
- Specific Gravity: 3.06
- Lustre: Resinous
- Locations Where Found: Russia, Brazil, Sri Lanka
- Colours: Red, Green, Blue, Yellow, Black, Brown, Colourless, Party Coloured
Yellow Sapphire
- Chemical Composition: Al2 O3
- Hardness: 9
- Refractive Index: 1.76 - 1.77
- Specific Gravity: 4.00
- Lustre: Vitreous
- Locations Where Found: Sri Lanka, Thailand, Madagascar, Pakistan, Australia
- Colours: Yellow