TINCH JOURNAL

Luxury Jewellery Education

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

Natural alexandrite loose gemstone showing colour change

Alexandrite: A Buyer's Guide

Alexandrite explained — how to verify genuine colour change, Russian vs Brazilian vs Ceylon origin, the synthetics and colour-change garnets sold under its name, and how we source certified stones...

Alexandrite: A Buyer's Guide

Alexandrite explained — how to verify genuine colour change, Russian vs Brazilian vs Ceylon origin, the synthetics and colour-change garnets sold under its name, and how we source certified stones...

Natural pink sapphire loose gemstone

Pink Sapphire: A Buyer's Guide

Pink sapphire explained — why it outperforms morganite for engagement rings, Madagascar vs Ceylon origin, beryllium diffusion risk, and how we source certified stones to order worldwide.

Pink Sapphire: A Buyer's Guide

Pink sapphire explained — why it outperforms morganite for engagement rings, Madagascar vs Ceylon origin, beryllium diffusion risk, and how we source certified stones to order worldwide.

Natural padparadscha sapphire loose gemstone

Padparadscha Sapphire: A Buyer's Guide

Padparadscha sapphire explained — why laboratories disagree on the definition, Ceylon vs Madagascar origin, beryllium diffusion risk, and how we source certified stones to order worldwide.

Padparadscha Sapphire: A Buyer's Guide

Padparadscha sapphire explained — why laboratories disagree on the definition, Ceylon vs Madagascar origin, beryllium diffusion risk, and how we source certified stones to order worldwide.

Rare and coloured gemstones sourced to order at Tinch Jewels Mumbai

Rare & Coloured Gemstones, Sourced to Order

Certified loose gemstones sourced worldwide on request — padparadscha, rainbow sapphire, Paraíba and chrome tourmaline, alexandrite, spinel and tanzanite. Shipped from our Mumbai studio to India, the US, Canada, UK,...

Rare & Coloured Gemstones, Sourced to Order

Certified loose gemstones sourced worldwide on request — padparadscha, rainbow sapphire, Paraíba and chrome tourmaline, alexandrite, spinel and tanzanite. Shipped from our Mumbai studio to India, the US, Canada, UK,...

Natural emerald (Panna) loose gemstone

Emerald (Panna): A Buyer's Guide

Emerald (Panna) explained — Colombian vs Zambian origin, oiling and enhancement grades, setting and care, and how we source certified stones to order from our Mumbai studio and ship worldwide.

Emerald (Panna): A Buyer's Guide

Emerald (Panna) explained — Colombian vs Zambian origin, oiling and enhancement grades, setting and care, and how we source certified stones to order from our Mumbai studio and ship worldwide.

Natural ruby (Manik) loose gemstone

Ruby (Manik): A Buyer's Guide

Ruby (Manik) explained — Burmese vs Mozambican origin, pigeon's blood grading, the lead-glass filling trap, and how we source certified stones to order from our Mumbai studio and ship worldwide.

Ruby (Manik): A Buyer's Guide

Ruby (Manik) explained — Burmese vs Mozambican origin, pigeon's blood grading, the lead-glass filling trap, and how we source certified stones to order from our Mumbai studio and ship worldwide.