Sri Lanka and Brazil
Amethyst
Quartz · Amethyst
- Colour
- Lavender to deep violet purple
- Carat Range
- 1.00 ct - 15.00 ct+
- Price Guidance
- Accessible to premium pricing by colour and size
Rare Gemstone
Tanzanite
A blue-violet zoisite with international prestige and dramatic colour.
- Origin
- Merelani, Tanzania
- Family
- Zoisite
- Price
- Price varies by colour, clarity, and size
Gem Profile
Colour, origin, and rarity
Tanzanite adds a global premium colour story to the catalogue. Its violet-blue pleochroism feels especially refined in evening jewellery and private commissions designed around depth of colour.
Acquisition Note
Deep blue-violet stones with fine cutting are quoted individually.
- Single-source rarity
- Blue-violet colour
- Evening jewellery mood
- Collector interest
Stone Dossier
- Origin
- Merelani, Tanzania
- Family
- Zoisite
- Type
- Tanzanite
- Colour
- Violet blue to deep blue-purple
- Rarity
- Rare single-source gemstone with fine saturated stones in demand
- Carat Range
- 0.50 ct - 8.00 ct+
- Treatment
- Commonly heat treated; disclosed by source and certificate
- Clarity
- Transparent to eye clean in fine stones
- Certification
- Certificate available on request
- Price
- Price varies by colour, clarity, and size
Related Collections
Maison worlds for this stone
Explore the collection stories where this stone’s colour, symbolism, or optical character can guide a private commission.
Related Gems
Continue the colour study
Compare neighbouring colours, optical effects, and collector stones before choosing the tone of a bespoke piece.
Ceylon, Sri Lanka
Ceylon Blue Sapphire
Corundum · Sapphire
- Colour
- Cornflower blue to royal blue
- Carat Range
- 0.50 ct - 5.00 ct+
- Price Guidance
- Price varies by colour, clarity, cut, and carat
Madagascar
Spinel
Spinel · Spinel
- Colour
- Rose, scarlet, violet, cobalt, and charcoal
- Carat Range
- 0.30 ct - 5.00 ct+
- Price Guidance
- Price varies by colour intensity and clarity
Jewellery Context
Creations with related stones
Private Services
Explore Tanzanite with a Specialist
Discover a creation, select a rare stone, or begin a bespoke commission with our specialists.