Custom Design Jewelry

Browse our unique collection of custom design jewelry. John Marmo Diamonds has the highest quality custom design jewelry that will be sure to be the perfect gift to yourself or others.

Jewelry Store in Charleston, Home, John Marmo
Jewelry Store in Charleston, Home, John Marmo

Browse Custom Bracelets

Find one of a kind bracelet from John Marmo Diamonds. Shop unique bracelets that are sure to put a smile on your face. 

Browse Custom Bracelets

Find one of a kind bracelet from John Marmo Diamonds. Shop unique bracelets that are sure to put a smile on your face. 

Jewelry Store in Charleston, Home, John Marmo

ABOUT JOHN MARMO

For more than 50 years and two generations, John Marmo Diamonds, has provided exceptionals diamonds, engagement rings and fine jewelry at outstanding savings and value to customers from coast to coast.

NEW ADDITIONS TO OUR COLLECTION

TESTIMONIALS

Tracey Brennon

Jewelry Store in Charleston, Home, John Marmo

My husband and I have known and worked with John for over 18 years. His diamonds are beautiful!!! He is so accommodating, super easy to work with and knowledgeable.

Chele Hughes

Jewelry Store in Charleston, Home, John Marmo

John Marmo is the absolute best! He worked with my husband to customize the most PERFECT engagement ring for me and he then crafted the most gorgeous wedding bands to match. We couldn’t be happier! Thank you John Marmo!

Larissa Christine

Jewelry Store in Charleston, Home, John Marmo

John has some of the most amazing diamonds out there. He is always wonderful to do business with!

A classic emerald engagement ring is always timeless. This stunning .83 carat GIA Certified E VS1 Double Excellent Emerald Cut Diamond in a delicate handmade platinum diamond setting sparkles endlessly. #johnmarmodiamonds #emeraldcutdiamond #emeraldcutengagementring #platinumengagementring #diamondring #diamonds #diamond #ringsofinstagram #giacertified #naturaldiamond #charleston #charlestonsc #kingstreetcharleston #charlestonjewelry #seizetheday #seizetoday #love #shesaidyes #southerncharm ...

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Nothing compares to a colorless diamond! What’s not to love about this 6 carat D color VS2 clarity GIA certified oval brilliant cut diamond???? #diamond #diamonds #diamondring #ovaldiamond #giacertified #ringsofinstagram #dcolor #engagementring #charleston #charlestonsc #charlestonjewelry #charlestonengagement #kingstreetcharleston #seizetheday #seizetoday #johnmarmodiamonds ...

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Santa made a special delivery Christmas morning with this beautiful 1.51 carat G VS1 GIA triple excellent round brilliant diamond in platinum and diamond setting. #johnmarmodiamonds #diamondring #diamonds #diamond #giadiamond #tripleexcellentcut #diamondengagementring #platinumring #charleston #charlestonsc #love #seizetheday #seizetoday #ringsofinstagram #shesaidyes ...

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