Setting a Pear-shaped Center Stone in a Platinum Mounting with V-Prongs

Quality Assurance Benchmarks highlight workmanship of semi-finished and finished jewelry. Learn how to evaluate the quality of a pear-shaped stone set in a five-prong platinum setting.

Perspective view illustration of a pear-shaped center stone set in a five-prong platinum setting.
Close-up side view illustration of a pear-shaped center stone set in a five-prong platinum setting.
Side view illustration of a pear-shaped center stone set in a five-prong platinum setting.

Potential Problems and Engineering Features

The bearing is not properly fitted to the shape of the stone, leaving visible gaps which will cause loosening over time.

Close-up illustration of a round prong with a gap between the bearing and the crown of the stone.

The edges of the v-prong must conform to the stone.

How-to Video

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          Setting a Pear-shaped Center Stone in a Platinum Mounting with V-Prongs