Marrin Costello

Derived from the Latin word meaning ‘water carrier,’ the Aquarius pendant features water pouring out from a decorative chalice into a swirled motif...

Representing the first symbol and fire sign in the zodiac, the Aries Pendant features a galloping ram, embodying the spirit of battle. Surrounded b...

Crafted of hypoallergenic stainless steel, the Barry Necklace is delicate yet durable. Featuring a sideways cross, this water-resistant piece will ...

Crafted of hypoallergenic stainless steel, the Barry Necklace is delicate yet durable. Featuring a sideways cross, this water-resistant piece will ...

Marrin Costello's signature lightning iconography takes a new meaning, as their headquarters is now based in Tampa, Florida! Rock these impossibly ...

Marrin Costello's signature lightning iconography takes a new meaning, as their headquarters is now based in Tampa, Florida!  Rock these impossibly...

Meet Marrin Costello's newest shining star — the Bowie Huggie. This invisible click hoop huggie will take your ear stack to new and heightened leve...

Meet Marrin Costello's newest shining star — the Bowie Huggie. This invisible click hoop huggie will take your ear stack to new and heightened leve...

Meaning ‘crab’ in Latin, the Cancer Zodiac sign is the fourth astrological sign in the zodiac. Featuring an embossed crab design with open claws, t...

A mythological creature and Cardinal sign, the Capricorn is an Earth sign known for their ambition, organization, practicality, and hustle. Symboli...

Named after #CostelloBabe and muse @chiaraaceto, the Chiara Pendant is the everyday staple you didn’t know you needed — until now. Hung from delica...

Named after #CostelloBabe and muse @chiaraaceto, the Chiara Pendant is the everyday staple you didn’t know you needed — until now. Hung from delica...

Feel like royalty in the entire Crown Collection. This layer-friendly necklace features 4mm highly polished beads at the center of a delicate round...

MATERIAL | signature MC stainless steel chain SILVER | polished stainless steel SIZE | 18" + 2" extender DETAIL | hypoallergenic + water-resistant ...

It’s all love over here! Marrin Costello's coveted heart-shaped motif is back and better than ever in an open and endless heart huggie design! With...

The It Girl’s favorite paperclip chain — meet the 2nd edition of the best-selling classic Empire Chain. Elongated and rectangular links finished wi...

Your It Girl’s favorite paperclip chain — meet Empire. Elongated and rectangular links finished with a lobster clasp and signature MC connector tag...

The third astrological sign in the zodiac, the Gemini constellation is interpreted as representing a pair of twins. Realized by two silhouettes in ...

Meet the classic Layla Hoops — with a twist! A timeless croissant-style design redefined, the Halle Hoop 1” features a click back hoop earring clos...

Meet the classic Layla Hoops — with a twist! A timeless croissant-style design redefined, the Halle Hoop 1” features a click back hoop earring clos...

Twist and shout baby — the classic Helix Collection is back and better than ever! A vintage take on a modern style, this twisted rope chain necklac...

MC's one-and-done Layla Hoop is a no brainer for all ages! Fastened with a click back earring closure, this hoop is perfect to put on in the am and...

Marrin Costello's one-and-done Layla Hoop is a no brainer for all ages! Fastened with a click back earring closure, this hoop is perfect to put on ...

As the fifth sign of the zodiac, Leos are known to be optimistic, fun, and entertaining. With iconography that represents the head, mane, and tail ...