The necklace is 17 inches in length, made of platinum. It also has four round F/G-color, VS-clarity diamonds.
![Tiffany & Co. Lock and Key Necklace](https://nyjchicago.sfo2.cdn.digitaloceanspaces.com/images/products/88/tiffany-co-lock-and-key-collection-necklace-platinum-n727518-135.jpg)
Tiffany & Co. Lock and Key Necklace
![Tiffany & Co. Lock and Key Necklace](https://i.pinimg.com/736x/c8/f9/8c/c8f98c4ee35b9b06019c57b2339c3596.jpg)
Pre-owned Tiffany & Co.18K Yellow Gold Puff Heart Lock & Key
![Tiffany & Co. Lock and Key Necklace](https://cdn.theluxurycloset.com/uploads/opt/products/750x750/luxury-women-tiffany-co-used-accessories-p393882-002.jpg)
Tiffany & Co. Sterling Silver Heart Lock & Key Charm Pendant
![Tiffany & Co. Lock and Key Necklace](https://www.madison880.com/cdn/shop/products/57_4cbbdcaa-e20c-4c47-8111-0615900db8d2_1024x1024.jpg?v=1595203443)
Tiffany Co Silver 18K Rose Gold Heart Key Locks Necklace Pendant Charm Gift Love
![Tiffany & Co. Lock and Key Necklace](https://media.tiffany.com/is/image/Tiffany/EcomItemL2/return-to-tiffanyheart-tag-and-key-necklace-69683959_1031841_ED.jpg)
Return to Tiffany® Heart Tag and Key Necklace in Silver with a
![Tiffany & Co. Lock and Key Necklace](https://ae01.alicdn.com/kf/S0e15292b66c54ebe9aa47b31c0bfd2eau.jpg_640x640Q90.jpg_.webp)
New Silver Color Pavé Yellow Crystal Key Pendant Necklaces For
![Tiffany & Co. Lock and Key Necklace](https://i.etsystatic.com/9868557/r/il/2573c6/3707387148/il_340x270.3707387148_disr.jpg)
Tiffany & Co Filigree Heart Key Necklace Pendant Charm 18 Inch
![Tiffany & Co. Lock and Key Necklace](https://www.millsjewelersloan.com/cdn/shop/files/tiffany-and-co-large-heart-key-closeup_1024x1024@2x.jpg?v=1684879724)
Tiffany & Co. Sterling Silver Large Heart Key Pendant Necklace
![Tiffany & Co. Lock and Key Necklace](https://nyjchicago.sfo2.cdn.digitaloceanspaces.com/images/products/94/tiffany-co-lock-and-key-collection-necklace-platinum-n727518-105.jpg)
Tiffany & Co. Lock and Key Necklace
![Tiffany & Co. Lock and Key Necklace](http://carillonjewelry.com/cdn/shop/products/SBP0002.jpg?v=1655273910)
925 Sterling Silver KEY Pendant Chain Necklace A Key For Love Lock