Family name แหวนเพชร (แหวนเพชร 
) , around the world, is a rare surname. The cognomen แหวนเพชร is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, แหวนเพชร is the forename as well as the last name.
| แหวนเพชร วงทอง TH (b. 1954) |
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| อัมพร แหวนเพชร Thai singer, TH (b. 1971) |
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| แหวนเพชร ชูวัฒนะ TH (b. 1973) |
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