

Custom
Jewelry Design
Work directly with Christina as she listens to your vision and using CADD design she brings your idea to life!
From idea to one-of-a-kind piece


Diamond
Tension Set
14 individual, full cut diamonds, mounted in 18 karat white gold. and available in several various sizes.
COLLECTION






Jewelry
Make-Over
Bring your outdated and rarely worn jewelry to us and Christina Termine will personally consult you to create new wearable pieces from your jewelry.
LEARN MORE


THE ESSENTIALS
Don't know where to begin? Pick one of our essential jewelry categories below and start exploring what we have to offer.
FEATURED PRODUCTS
Emerald & Diamond Line Bracelet
Emerald & Diamond Earrings
Emerald & Diamond Pendant
Emerald & Diamond Ring
Gemstone & Diamond ‘Y’ Necklace
Rainbow & Turquoise Eye
Gemstone Eye with Diamond Eyelashes
Gemstone Evil Eye & Diamond Pendant
MEET CHRISTINA
Diamonds on the Key specializes in only the highest quality diamonds, having the finest cut and proportions and offers an exciting, wide selection of classic and contemporary diamond jewelry. With a 35-year career in the international fine jewelry industry, Christina Termine brings her expertise and knowledge to her clientele with the goal of providing both an education in diamonds and offering the best pricing. Christina aims to make her customers feel confident and informed in their diamond purchase, while they receiving the highest level of service.
Christina received her Graduate Diamonds Diploma from the Gemological Institute of America (GIA) and insists on buying and selling GIA certified diamonds, as this nonprofit institution is regarded as the world’s foremost authority in gemology. When meeting with Christina in her private jewelry salon, located in Key Biscayne, Florida, clients are professionally guided through the diamond selection process, while discussing their jewelry needs, in order to find the perfect match.
“Forming a reliable and trusting bond with your jeweler is just as significant as the trust and service provided by your doctor, real estate agent, lawyer or financial advisor and that bond is what I hope to build with and every customer”.



Diamond Engagement Rings
DESIGNER:
Christina Termine
MATERIALS:
Varies by Piece
LEAD TIME:
Available Now
RECENT CUSTOM DESIGNS
A little inspiration... view a few of our most recent customer creations.
LATEST NEWS & EVENTS
Dated Ballerina Setting Makeover
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Posted by
admin
Where did the Diamond go
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Posted by
Christina Soto
From Studs to ‘Y Style’
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Posted by
Christina Soto