Read before you buy
Hub 03 of 5

Quality & Authenticity

Fake and adulterated oud is widespread, and almost every serious buyer eventually asks the same question: how do I know this is real, and what am I actually paying for? This hub covers grading systems, resin testing, and the practical checks that separate genuine agarwood from synthetic or misrepresented material.

9 guides 3 to start with Grading, testing, oil and price
Agarwood chips arranged in rows on a wooden tray, from pale wood to dark resinous pieces
At a glance

Four things to know before you judge a piece

The principles behind every guide in this hub.

Grading
There is no single international grading system. Grades are set by traders and regional markets, so always ask what a grade means to that seller. How agarwood is graded
Sinking
Dense, resin rich wood often sinks in water, but weighted or resin soaked pieces can sink too. Sinking is one signal, not proof. Resin content
Colour
Colour alone is a poor guide. Wood can be dyed or coated to look resin rich, so judge it alongside scent, weight and how it burns. Fake oud
Lab testing
No single home test is conclusive. For oil, laboratory analysis such as GC-MS can show a sample's chemical profile and flag common adulterants, though results still need expert interpretation. Testing at home