TINCH JOURNAL

Luxury Jewellery Education

Engagement Rings • Mangalsutra • Lab Diamonds • Natural Diamonds • Gemstones • Buying Guides

Natural tsavorite garnet loose gemstone

Tsavorite Garnet: A Buyer's Guide

Tsavorite garnet explained — why it outperforms emerald on clarity, brilliance and treatment, the Kenya-Tanzania corridor that caps supply, and how we source certified stones worldwide.

Tsavorite Garnet: A Buyer's Guide

Tsavorite garnet explained — why it outperforms emerald on clarity, brilliance and treatment, the Kenya-Tanzania corridor that caps supply, and how we source certified stones worldwide.

Natural opal showing play-of-colour

Opal: A Buyer's Guide

Opal explained — black, boulder, crystal and Welo types, what hydrophane means for Ethiopian opal, crazing and durability limits, and how we source stones to order worldwide.

Opal: A Buyer's Guide

Opal explained — black, boulder, crystal and Welo types, what hydrophane means for Ethiopian opal, crazing and durability limits, and how we source stones to order worldwide.

Natural morganite loose gemstone

Morganite: A Buyer's Guide

Morganite explained — why size drives colour, the durability limits behind the rose gold trend, light fading, and how we source certified stones to order worldwide.

Morganite: A Buyer's Guide

Morganite explained — why size drives colour, the durability limits behind the rose gold trend, light fading, and how we source certified stones to order worldwide.

Natural aquamarine loose gemstone

Aquamarine: A Buyer's Guide

Aquamarine explained — why size drives colour, what Santa Maria actually means, heat treatment, and how we source certified stones to order worldwide from our Mumbai studio.

Aquamarine: A Buyer's Guide

Aquamarine explained — why size drives colour, what Santa Maria actually means, heat treatment, and how we source certified stones to order worldwide from our Mumbai studio.

Natural tanzanite loose gemstone, blue-violet

Tanzanite: A Buyer's Guide

Tanzanite explained — the single finite deposit, trichroism and why it looks different indoors, the durability limits nobody mentions, and how we source certified stones to order worldwide.

Tanzanite: A Buyer's Guide

Tanzanite explained — the single finite deposit, trichroism and why it looks different indoors, the durability limits nobody mentions, and how we source certified stones to order worldwide.

Natural Paraiba tourmaline loose gemstone, neon blue-green

Paraíba Tourmaline: A Buyer's Guide

Paraíba tourmaline explained — why the name is a chemical claim requiring copper analysis, Brazilian vs Mozambican origin, copper diffusion risk, and how we source certified stones worldwide.

Paraíba Tourmaline: A Buyer's Guide

Paraíba tourmaline explained — why the name is a chemical claim requiring copper analysis, Brazilian vs Mozambican origin, copper diffusion risk, and how we source certified stones worldwide.