0.3ct Ruby Stone Heart Shape Necklace

This is a product description for a piece of jewelry. Here is a breakdown of the information provided:

- The product comes with a silver adjustable chain.
- Total diamond weight: 0.03 carats.
- Dimensions: 15mm.
- Main stone: Ruby.
- Ruby gem size: 0.68 carats.
- Main stone shape: Round.
- Metal: 9K White Gold.
- Diamond quality: Premium Quality.
- Setting: Claw.
- Silver chain: Included, with variable length.
- UK Hallmarked: Yes.
- UK Handcrafted: Yes.
- Conflict-free diamonds: Yes.
- Nickel free: Yes.

The description also mentions that weights, gem colors, and sizes are approximate and may vary slightly.