Sample listing for design approval. A bright blue trillion-cut sapphire from Thailand.

Sample listing for design approval. A deep red Burmese cushion ruby, heat treated.

Sample listing for design approval. A near-colorless natural emerald-cut diamond with a clean step-cut windowpane.

Sample listing for design approval. A lively red Mozambique ruby, heat treated.

Sample listing for design approval. A royal blue Madagascar sapphire, heat treated.

Sample listing for design approval. A rich green Zambian emerald with good clarity.

Sample listing for design approval. A colorless natural round brilliant diamond with excellent cut.

Sample listing for design approval. A vivid, saturated green Colombian emerald with minor traditional oil treatment.