Extender
Extender
Extender
Extender

Extender

$7.50
/
Only -667 items in stock!

Want it longer? Add a 4 inch extender that will take your necklace from 18 inches to 22 inches and any length in-between. Can also be used with your other jewelry.

  • available in sterling silver or gold fill to match either finish
  • clasp can hook in anywhere for full adjustability
  • can be used with other jewelry making it a great value
  • more sizes take the guess work out of gift giving

All Smartglass Jewelry purchases come beautifully boxed with an artist card, handcrafted and recycled story, and bottle key card included.

ARTISAN MADE
SUSTAINABLE PRODUCT
WOMAN OWNED BUSINESS
MADE IN THE USA

Customer Reviews

Based on 19 reviews
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D
Don Muscente
Amazing glass art

I am privileged to own and to have gifted many of your beautiful pieces through the years. I never travel without my pocket heart. Thank you for sharing your artistry!

M
Mary Laskowski
Love this extender

I love this extender, sometimes I like to wear my beautiful necklace down a bit lower, and this makes it so easy. So glad I purchased this along with my stunning necklace 💕

M
Mary Camire
Provides more wearing options

I am glad that I bought extenders in both gold and silver finishes. My outfits have varying necklines so I add or remove the extender as needed.

J
Jennifer Saltzman
Like my new necklace

Very cool recycled glass necklace. It is well polished and goes with all my casual clothes. I will order more in other colors.

A
Alison McManus
Extender provides versatility

Good thing to have to vary the length of your necklace so you can layer with other necklaces or fit your top's neckline!

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Why choose us?

we create jewelry with a story

At Smart Glass Jewelry our number one priority is our customers, and creating jewelry they will love while also saving millions of bottles from landfills. We are a small, handcrafted art studio and we care about you and the environment.

Curious?

How Do We Do It?

Artist Kathleen Plate has been transforming post-consumer bottles into art for over 27 years.  From dumpster diving to patented studio processes, you won't believe how beautiful garbage can become... in the right hands.

Learn More