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

Bracelets (38)

Earrings (118)

Necklaces (138)

Rings (112)

$500 & Under Gift Suggestions (16)


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


Gold Vermeil Butterfly Pendant

Sterling Silver or 18K Yellow Gold Vermeil Butterfly Pendant on an approximate 18 inch cable link chain. Pendant Dimensions: 14.4x9.3mm Cable Chain: 1mm Clasp: spring ring This item is a prepaid “Special Order” and may take up to 3 weeks delivery, due to variance in factory stock levels. No returns or exchanges. Shipping is available for $35 via priority mail or local pick up in Key Biscayne/ Miami area- by appointment. 50% of net proceeds (not including tax or shipping) will be donated to The Megan Way Foundation.

Turquoise Station Necklace

14K Yellow Gold Turquoise Station Necklace TQ: 8.90 ct tw

Bendable Round Diamond Line Bangle Bracelets

14K Yellow or White Gold Bendable Round Diamond Line Bangle Bracelets D: 1.62 ct tw

Double Shell with Diamonds Ring

14K Yellow Gold Double Shell with Diamonds Ring D: 0.90 ct tw

Multi Layer with Diamonds Ring

14K Yellow Gold Multi Layer with Diamonds Ring D: 0.48 ct tw

Gemstone with diamonds necklace

14K Yellow Gold Gemstone with diamonds necklace Amethyst: AM 1.02 ct tw // D: 0.54 ct tw Emerald: DM: 0.80 ct tw // D: 0.64 ct tw

Multi Rounded Diamonds Bracelet

14K Yellow or White Gold Multi Rounded Diamond Bracelet D: 0.15 ct tw

Yellow Gold Divided Bracelet with Diamonds

14K Yellow Gold Divided Bracelet with Diamonds D: 0.23 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.


Will be used in accordance with our privacy policy