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.
John Marmo Diamonds
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.
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!
A custom made platinum double halo diamond setting made especially for long time friends with their original princess cut diamond they purchased from us. #johnmarmodiamonds #diamonds #diamondring #diamondhalo #diamondsetting #princesscutdiamond #doublehaloengagementring #rotterdam #charlestonsc #charleston #charlestonengagement #seizetheday #seizethemoment #ringsofinstagram #weddinganniversary
Happy Valentines Day 2021!!! #johnmarmodiamonds #diamonds #diamondheart #diamondring #diamondjewelry #valentinesday2021 #valentines #love #seizetheday #seizetoday #charleston #charlestonsc #ringsofinstagram #twoheartsarebetterthanone
A custom made platinum diamond ring featuring a 1.51 Carat GIA Triple Excellent Cut G Color SI1 Round Brilliant Cut Diamond. #johnmarmodiamonds #diamonds #diamond #diamondring #giacertified #tripleexcellentcut #platinumring #charleston #charlestonsc #charlestonwedding #charlestonengagement #ringsofinstagram #shesaidyes #love #seizetheday #seizethemoment #kingstreetshopping
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