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.
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.
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.
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.
John Marmo Diamonds
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14KW 43 RD Dia. 1.19ct. FGVS1-2
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18K Pendant .50ct. Oval Diamond Fancy Yellow VS1 14 Round Fancy Yellow .16ct. 27 Round Diamonds. .27 Carat FGVS 18” KWSP025 18K #3
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19 Diamond .91 Carat FGVS2 Basket Weave Bracelet Tow-Tone 14K Gold
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295860 .45 Carat GSI1 in Custom Diamond Halo 16 Diamonds .16 Carat GHVS2 R40 Cable Chain 14K White Gold
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BRIDAL
NEW ADDITIONS TO OUR COLLECTION
TESTIMONIALS
Tracey Brennon
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
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
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
Happy Memorial Day and Thank You to all who severed! #memorialday #honor #america #proudamerican #johnmarmodiamonds
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
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