cubic zirconia

noun

variants or less commonly cubic zirconium

: a synthetic gemstone of zirconia resembling a diamond

Examples of cubic zirconia in a Sentence

Recent Examples on the Web

Ranging in size from 3 to 8 millimeters, the earrings are made from clear cubic zirconia with stainless steel posts and butterfly backs. —People Deals Team, People.com, 10 July 2025

The inclusion of cubic zirconia helped the company that manufactures those pins avert a 14% tariff, as the item no longer fell under festive article category but got classified as jewelry, Foote subsequently learnt. —Anniek Bao, CNBC, 18 June 2025

There are plenty of options that closely mimic your original diamond designs, like this $16 cubic zirconia ring. —Annita Katee, Travel + Leisure, 9 June 2025

These cubic zirconia stud earrings look like diamonds, but without the price tag, and the hypoallergenic sterling silver posts are ideal for sensitive ears. —Jacquelyn Smith, Parents, 6 May 2025

Word History

First Known Use

1942, in the meaning defined above

Rhymes for cubic zirconia

• catatonia
• hypotonia
• myotonia
• rhizoctonia
• aphonia
• chelonia
• cladonia
• colonia
• dysphonia
• dystonia
• harmonia
• koinonia