Pink Sapphire Rose Gold Key Necklace Vortex

From $1500

Garnet Mariposa Key Necklace Pendant in Sterl...

Pink Sapphire Yellow Gold Key Necklace Vortex

From $1500

Yellow Sapphire Yellow Gold Key Necklace Vort...

From $1500

Yellow Sapphire Rose Gold Key Necklace Nexus

From $1582

Blue Sapphire Yellow Gold Key Necklace Vortex

From $1500

Blue Sapphire Yellow Gold Key Necklace Nexus

From $1582

Diamond Rose Gold Key Necklace Nexus

From $1558

White Sapphire Rose Gold Key Necklace Nexus

From $1582

Pink Sapphire White Gold Key Necklace Nexus

From $1582

Pink Sapphire Rose Gold Key Necklace Nexus

From $1582

Blue Sapphire White Gold Key Necklace Nexus

From $1408

Diamond White Gold Key Necklace Vortex

From $1425

Peridot Crown Key Necklace Pendant in Sterlin...

Pink Sapphire Yellow Gold Key Necklace Nexus

From $1582

Pink Sapphire White Gold Key Necklace Vortex

From $1500

Key Necklace Nexus

Blue Sapphire White Gold Key Necklace Vortex

From $1500

White Sapphire White Gold Key Necklace Vortex

From $1500

Citrine Mariposa Key Necklace Pendant in Ster...

Yellow Sapphire White Gold Key Necklace Nexus

From $1582
Next Day Dispatch
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Amethyst Crown Key Necklace Pendant in Sterli...

White Sapphire Yellow Gold Key Necklace Nexus

From $1582

Diamond White Gold Key Necklace Nexus

From $1558

White Sapphire Rose Gold Key Necklace Vortex

From $1500
Next Day Dispatch
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Amethyst Mariposa Key Necklace in Sterling Si...

White Sapphire Yellow Gold Key Necklace Vortex

From $1500

Blue Sapphire Rose Gold Key Necklace Nexus

From $1582

Diamond Rose Gold Key Necklace Vortex

From $1425

Peridot Mariposa Key Necklace Pendant in Ster...

Yellow Sapphire Rose Gold Key Necklace Vortex

From $1500

Yellow Sapphire White Gold Key Necklace Vortex

From $1500

Blue Sapphire Rose Gold Key Necklace Vortex

From $1500
Next Day Dispatch
Product image Product image hover

Blue Topaz Crown Key Necklace Pendant in Ster...

Garnet Crown Key Necklace Pendant in Sterling...

Diamond Yellow Gold Key Necklace Nexus

From $1558
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21st Birthday Keys has an average rating of 4.8 out of 5 stars based on 34 customer reviews.

Key Necklace Pendants and other 21st Key Gift Ideas in Australia

Flaunt that neckline, own a gorgeous and quality piece of key necklace and pendant that doesn't cost you an arm. Browse now and shop online for Australia's finest and most affordable collection of fabulous key pendants and other exquisite 21st birthday gift ideas for a friend or for your special someone. You can choose from our uniquely designed 21st key necklaces and key pendants featuring natural coloured gemstones in sterling silver and solid 18k gold finish.

Each of these top-notch key necklaces is delicately crafted to suit any occasion and flawlessly designed to complement your day to day outfit, with natural precious and semi-precious gemstones like sapphire, aquamarine, topaz, amethyst, garnet, citrine and peridot from our own collection. Shop online only here at Brilliyond now and get the best deal you can get for these spectacular items - with free shipping nationwide. If you need any form of assistance, please Contact Us and we will be more than happy to provide the assistance that you need.