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Prong setting, or claw settings, holds a diamond in place. There are no specific rules or fixed number of prongs in a ring.
There can be 2, 3, 4, or even up to 6 prongs depending on the diamond size and ring design.

 

Prong designs that are often seen, especially with round diamonds:

1. Round Prong
2. Claw Prong
3. Petite Claw Prong
4. Tab Prong
5. Other prong designs are heart prong, or other claw prongs.

For some diamond shapes that have pointy edges like marquise, heart, or princess; the most suitable prong would be block prongs to prevent denting or damaging the edge.

For all types of prongs in every jewelry, prongs can become looser over time with longer uses. Check your jewelry by using a small sharp object picking the diamond and seeing if the diamond moves. If it moves, it might be a good time to meet a jeweler for prong-care service. For those who do not have a sharp object or prefer not to use one, try wearing the ring and running your hand through your hair or any fluffy fabric and checking if there are any hair strands or fabric lint stuck on the prongs.

These methods, however, might work well for bigger diamonds. For smaller diamonds or a halo ring, it is more recommended to have the rings checked once a year, especially for daily-worn jewelries. This is to prevent further damages caused by loose prongs as well.

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	Written by Sornsida Y. Chanonprapa (G.D. GIA 2015)
	Diamond Nerd จากสถาบัน GIA ศึกษาเรียนรู้ หัด grading เพชรมาโดยเฉพาะ บวกกับพื้นฐานเป็นลูกช่างทอง มีประสบการณ์ทำงานใน Field จิวเวลรี่มากว่า 20ปี จึงอยากใช้พื้นที่นี้แบ่งปันความรู้และประสบการณ์กับทุกคนค่ะ