Choker - noun -

1a. necklace or band of fabric that fits closely around the neck: her only ornament was a simple pearl choker

As per Wikipedia: Chokers can be made of a variety of materials, including:

• velvet
• plastic
• beads
• metal such as: silver, gold or platinum, leather, etc.

They can be adorned in a variety of ways, including with sequins, studs, or a pendant.

So, if it features above, you're golden.

Related subreddits:

• [Collared] (http://reddit.com/r/collared)