What is the birthstone for September?

Sapphire is the official September birthstone. It is corundum (Mohs 9) and one of the hardest and most prized gemstones. London blue topaz is a popular affordable alternative for September birthdays because of its similar deep blue color.

Is London blue topaz a good alternative to sapphire?

Yes. London blue topaz (Mohs 8) offers a similar deep blue color to sapphire at a much more accessible price. Both are durable enough for everyday jewelry. Sapphire is harder and rarer, but London blue topaz provides outstanding blue gemstone color for buyers who want a budget-friendly option.

Is September birthstone jewelry a good gift?

Yes. Whether you choose sapphire or London blue topaz, September birthstone jewelry is a meaningful and beautiful gift. At Erin Gallagher Jewelry, every piece is handcrafted in Colorado, ships gift-ready, and orders over $150 include free U.S. shipping.

September Birthstone Jewelry

September's official birthstone is sapphire, one of the most prized gemstones in the world. Known for its rich blue color and exceptional hardness (Mohs 9), sapphire has been a symbol of nobility, truth, and wisdom for centuries. For buyers who love deep blue but want a more accessible price point, London blue topaz offers a sophisticated teal-navy alternative with similar visual depth. At Erin Gallagher Jewelry, our September birthstone collection features both sapphire and London blue topaz pieces, all handcrafted in Colorado.

Shop September Birthstone Jewelry

Sapphire

Sapphire Necklaces — solitaires, pendants, and station chains
Sapphire Earrings — studs, huggies, drops, and threaders
Sapphire Rings — stackable bands and solitaires
Sapphire Bracelets — stations, bezels, and slim bangles

Choosing between natural and lab-created sapphire? Read our guide: Sapphire Buying Guide: Natural vs Lab-Created.

London Blue Topaz — Affordable Blue Alternative

London Blue Topaz Necklaces — pendants, stations, and layering chains
London Blue Topaz Earrings — studs, huggies, and drops
London Blue Topaz Rings — bezels, solitaires, and stackable bands
London Blue Topaz Bracelets — stations, bezels, and birthstone links

Sapphire vs. London Blue Topaz

Sapphire (Mohs 9) is the harder and more traditional choice for September. London blue topaz (Mohs 8) is still very durable and offers a similar deep blue at a lower price point. Both are beautiful options for September birthday gifts. Learn more about London blue topaz meaning and properties.

September Birthday Gifts

Every piece ships gift-ready in our eco-friendly packaging with gift bag, tissue, cleaning cloth, and card. Orders over $150 include free U.S. shipping. For a personalized September birthday gift, design a custom piece through GemBar or browse all birthstone gift ideas.

Frequently asked questions

What is the birthstone for September?

Sapphire is the official September birthstone. It is corundum (Mohs 9) and one of the hardest and most prized gemstones. London blue topaz is a popular affordable alternative for September birthdays because of its similar deep blue color.
Is London blue topaz a good alternative to sapphire?

Yes. London blue topaz (Mohs 8) offers a similar deep blue color to sapphire at a much more accessible price. Both are durable enough for everyday jewelry. Sapphire is harder and rarer, but London blue topaz provides outstanding blue gemstone color for buyers who want a budget-friendly option.
Is September birthstone jewelry a good gift?

Yes. Whether you choose sapphire or London blue topaz, September birthstone jewelry is a meaningful and beautiful gift. At Erin Gallagher Jewelry, every piece is handcrafted in Colorado, ships gift-ready, and orders over $150 include free U.S. shipping.