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Shop The Finest Diamonds and Jewlery

WE ONLY USE THE BEST NATURALLY SOURCED DIAMONDS

Shop The Finest Diamonds and Jewlery

WE ONLY USE THE BEST NATURALLY SOURCED DIAMONDS
Jewelry Store in Charleston, Home, John Marmo

 Our Engagement Ring Process

At John Marmo, we believe an engagement ring or piece of fine jewelry should be crafted with the utmost care and attention to detail. 

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

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

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

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.

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!

Fancy yellow sunshine! A stunning GIA graded natural fancy yellow pear shape Diamond weighing 1.11 carat in a custom made 18K yellow gold and platinum setting with pear shape Diamond accents. #johnmarmodiamonds #diamondengagementring #pearshapediamond #naturaldiamonds #fancyellowdiamond #platinumengagementring #customengagementring #yellowdiamond #yellowdiamondring #charleston #charlestonengagement #proposal #shesaidyes #love #finejewelry #charlestonsc #kingstreetcharleston #weddingring ...

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Happy Memorial Day and Thank You to all who severed! #memorialday #honor #america #proudamerican #johnmarmodiamonds ...

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Excited for this bride to be! A stunning 1.40 carat GIA Certified Triple Excellent F VVS1 Round Brilliant in a custom platinum micro pave’ setting accented with round diamonds. #johnmarmodiamonds #diamondengagementring #diamondring #platinumring #giacertified #charlestonengagement #charlestonbride #charlestonsc #kingstreet #diamonds #diamondsareforever #love #seizetheday #naturaldiamonds #holycity ...

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Custom made two-tone 14K gold Diamond cross with a .45 carat GIA Certified F VS1 Triple Excellent round brilliant and a Italian made 14K white gold round box chain. #johnmarmodiamonds #diamondcross #diamondjewelry #naturaldiamonds #customjewelry #giadiamond #charlestonsc #charleston #charlestonshopping #diamondnecklace #seizetheday #finejewelry #kingstreetcharleston #diamond #diamondareforever #diamondsareagirlsbestfriend ...

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