Guides.
Everything you need to know before you buy: gold karats, ring sizing, care, and how to read a GIA or an IGI diamond report.

18K, 21K and 22K Gold Explained
Purity, colour, durability and value: how to choose the right karat for the piece you have in mind.
Read the guide
Ring Size Guide
Measure at home in two minutes, understand UAE, EU and US sizes, and know when to size up.
Read the guide
Jewellery Care Guide
Keep gold, white gold and set stones looking new with a few simple habits.
Read the guide
GIA Diamond Reports: What They Say and How to Check One
What a GIA diamond report records, how the 4Cs are graded, what changed for lab grown stones in 2025, and how to check a report number before you buy a diamond ring in Dubai.
Read the guide
IGI Diamond Reports: What They Say and How to Check One
What an IGI diamond report records, how IGI grades natural and lab grown diamonds, what the LG inscription means, and how to check an IGI report number before you buy a diamond ring in Dubai.
Read the guide
More gold guides in the Journal.
Plated or solid, signet rings, men's gold and how to size a chain: longer guides from the Mazimo Journal.
Still curious?
Ask a gold specialist at the boutique, or read what customers ask most.
