![Illustration of a platinum band featuring a decorative pattern](https://www.gia.edu/images/sm_WebQAB_209114_-_02-006_001.jpg)
Quality Assurance Benchmarks highlight workmanship of semi-finished and finished jewelry. Learn how to evaluate the quality of a platinum ruthenium band that was sized up by stretching.
![Illustration of a platinum band featuring a decorative pattern](https://www.gia.edu/images/sm_WebQAB_209114_-_02-006_001.jpg)
Potential Problems and Engineering Features
Learn the elements that make this ring a suitable candidate for sizing up by stretching.
![Learn how to evaluate the quality of a platinum band that was sized up by stretching with these helpful illustrations and instructional video.](https://www.gia.edu/images/sm_WebQAB_209113_-_02-006_002.jpg)
How-to Video
Sizing Up a Platinum Ruthenium Band by Stretching
playWhen NOT to Stretch a Platinum Band
Do not stretch bands containing stones. It can weaken the areas between or under stones and lead to stone loss.
![Learn how to evaluate the quality of a platinum band that was sized up by stretching with these helpful illustrations and instructional video.](https://www.gia.edu/images/sm_WebQAB_209112_-_02-006_003.jpg)
![Learn how to evaluate the quality of a platinum band that was sized up by stretching with these helpful illustrations and instructional video.](https://www.gia.edu/images/sm_WebQAB_209111_-_02-006_004.jpg)