Don't know where to begin? Pick one of our essential jewelry categories below and start exploring what we have to offer.

Bracelets (43)

Earrings (123)

Necklaces (154)

Rings (117)

$500 & Under Gift Suggestions (19)


We offer Birthstone Jewelry in a variety of designs, including necklaces, pendants, earrings and rings.


Rose Cut Turquoise & Diamond Pendant

18K Yellow Gold Rose Cut Turquoise & Diamond Pendant T: 6.86 ct tw

Rose Cut Turquoise & Diamond Earring

18K White Gold Rose Cut Turquoise & Diamond Earring T: 16.15 ct tw

Turquoise & Diamond Halo Ring

18K White Gold Turquoise & Diamond Halo Ring T: 7.14 ct tw D: 0.44 ct tw

Citrine & Diamond Ring

14K Yellow Gold Citrine & Diamond Ring D: 0.49 ct tw C: 2.90 ct tw

Citrine & Diamond Earring

14K Yellow Gold Citrine & Diamond Earring D: 0.11 ct tw C: 1.83 ct tw

Citrine & Diamond Pendant

14K Yellow Gold Citrine & Diamond Pendant D: 0.06 ct tw C: 0.95 ct tw

Citrine & Diamond Earring

14K Yellow Gold Citrine & Diamond Earring D: 0.13 ct tw C: 6.27 ct tw
Christina Termine


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”.

Christina Termine


A little inspiration... view a few of our most recent customer creations.


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