How to choose a diamond tennis necklace

Start with length and placement

Decide where the necklace should sit relative to the collarbone and the necklines worn most often. Measure against an existing necklace when possible. The same listed length can feel different depending on neck circumference and the depth of the setting.

Even line or graduated centre?

A classic tennis necklace uses a relatively consistent diamond size around the line. A graduated necklace increases stone size toward the centre, creating a stronger focal point and changing how the total carat weight is distributed visually.

Understand total carat weight

Total carat weight describes all diamonds in the necklace together. Ask how many stones are used, how the weight is distributed, and the approximate stone sizes or measurements. Compare the visible line and proportions, not only the total number.

Natural or lab-grown diamonds

Origin should be stated clearly. Compare the diamond specifications, consistency across the necklace, available documentation, total budget, and whether natural or lab-grown origin matters to you. Read the natural vs lab-grown diamond guide before deciding.

Inspect movement and security

A tennis necklace needs enough articulation to follow the neckline without flipping or forming rigid sections. Ask about the clasp, safety mechanism, link movement, setting profile, and how the necklace should be stored when it is not being worn.

Questions to ask before purchase

• FitWhat is the exact length and where will it sit on me?
• DiamondsWhat are the origin, total weight, colour, clarity, and consistency?
• ConstructionHow flexible is the setting and what safety mechanism protects the clasp?
• CareHow should it be stored, cleaned, inspected, and serviced?