September’s birthstone is sapphire
Sapphire has marked September since the Middle Ages: a 9-of-10 hardness stone you can wear every day for a lifetime. Ours are chosen loose, in daylight, and passported.

- HARDNESS
- 9, wear it daily for a lifetime
- THE COLOR
- Cornflower blue with a faint violet secondary
- GOOD TO KNOW
- Unheated Ceylon stone; the passport says so plainly
The short answer
September’s birthstone is sapphire. Sapphire has marked September since the Middle Ages: a 9-of-10 hardness stone you can wear every day for a lifetime. Ours are chosen loose, in daylight, and passported. Works with sapphire at Made With Color today run from $6,400; every stone ships with a passport naming origin, carat, and treatment plainly.
What is the September birthstone?
September’s birthstone is sapphire. Cornflower blue with a faint violet secondary.
Is sapphire durable enough for daily wear?
9, wear it daily for a lifetime.
What should I know before buying?
Unheated Ceylon stone; the passport says so plainly. Every stone here is chosen loose, in daylight, and passported.
The Sapphire Band
CEYLON SAPPHIRE · UNHEATED · 18K YELLOW
$6,400
The Montana Studs
TEAL MONTANA SAPPHIRE · 18K
From $980
The Sapphire Pendant
CEYLON · 2 SIZES
From $1,860