Gold & Platinum Round Cocktail 3-Prong Cast Earring Mounting with Screwpost & Nut

Set a round stone into a finished earring with these cast 3-prong cocktail mountings, also known as martini earrings. Each mounting arrives with a screwpost and nut for a refined, professional finish, and the range covers nine stone sizes from 4.0mm to 8.0mm, holding stones of roughly .25ct to 2.0ct in five precious metal types.

Cast construction keeps quality and detail consistent across the range, which makes these a versatile staple for fine jewelry production and custom work. Available in platinum, 18K yellow, 18K white, 14K yellow and 14K white gold. Sold by the piece, with one screwpost and one nut per mounting; order 2 for a pair.

Features

• Classic 3-prong round mounting in a martini (cocktail) silhouette
• Cast construction for consistent quality and detail
• Includes a screwpost and nut for secure wear
• Five metal types: platinum, 18K yellow, 18K white, 14K yellow and 14K white gold
• Nine stone sizes from 4.0mm to 8.0mm to accommodate stones from .25ct to 2.0ct
• Sold by the piece; order 2 for a matched pair

Available Options

Notes

• Each piece includes one cast 3-prong cocktail earring mounting, one screwpost and one nut.
• Sold by the piece. Order 2 for a matched pair.
• Stone size approximations in carat weight are provided as a general guide and may vary by stone type and cut.