Design Details
The Chain: It features a sleek snake chain (also known as a Brazilian chain). This style is characterized by round, wavy metal plate links joined together to create a smooth, flexible tube with a subtle metallic sheen.

The Pendant: A striking emerald-cut green gemstone (likely zircon or crystal) set in a classic bezel setting. The rectangular, step-cut facets of the stone provide a deep, architectural clarity.

Metal Finish: The piece has a high-polish gold-toned finish, which provides a warm contrast to the vibrant forest green of the stone.

Styling & Aesthetic
The combination of the structured pendant and the fluid snake chain gives it a "modern heirloom" feel. It is versatile enough for:

Layering: Its clean lines make it an excellent base for layering with daintier gold chains or chokers.

Occasions: The rich green and gold palette works well for both professional "power dressing" and evening wear.

Vibe: Sophisticated, timeless, and understated luxury.