THE ESSENTIALS

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

$500 & Under Gift Suggestions

SHOP BIRTHSTONE JEWELRY

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

FEATURED PRODUCTS

14k Gold Opal & Diamond Huggie Earrings

$1,640.00
14k Gold Opal & Diamond Huggie Earrings D: 0.18 ct tw O: 0.25 ct tw

Important Pricing Notice

Due to the recent global increase in gold prices in 2025, actual selling prices may be 20-25% higher than the prices listed on this website. Before processing payment and shipping, we will reconfirm the final price with you for approval.

We appreciate your understanding and support.

— Team DOTK

Diamond & Sapphire Baguette

$890.00
14K White Gold Natural Peridot Pendant (no chain) D: 0.22 ct tw SA: 0.07 ct tw Available in Yellow & Rose Gold

Important Pricing Notice

Due to the recent global increase in gold prices in 2025, actual selling prices may be 20-25% higher than the prices listed on this website. Before processing payment and shipping, we will reconfirm the final price with you for approval.

We appreciate your understanding and support.

— Team DOTK

Bezel Set Emerald Cut Natural Peridot

$300.00
14K White Gold Natural Peridot Pendant (no chain) Available in a variety of birthstones

Important Pricing Notice

Due to the recent global increase in gold prices in 2025, actual selling prices may be 20-25% higher than the prices listed on this website. Before processing payment and shipping, we will reconfirm the final price with you for approval.

We appreciate your understanding and support.

— Team DOTK

Natural Peridot & Natural Diamond Hoop Earrings

$2,100.00
14K White Gold Natural Peridot & 1/2 CTW Natural Diamond 17.2 mm Hoop Earrings

Important Pricing Notice

Due to the recent global increase in gold prices in 2025, actual selling prices may be 20-25% higher than the prices listed on this website. Before processing payment and shipping, we will reconfirm the final price with you for approval.

We appreciate your understanding and support.

— Team DOTK

Cuff Bracelet with Natural Peridot Detail

$3,350.00
14K Yellow Gold Cuff Bracelet with Natural Peridot Detail

Important Pricing Notice

Due to the recent global increase in gold prices in 2025, actual selling prices may be 20-25% higher than the prices listed on this website. Before processing payment and shipping, we will reconfirm the final price with you for approval.

We appreciate your understanding and support.

— Team DOTK

Natural Peridot & Natural Turquoise Halo-Style Pendant

$950.00
14K White Gold Natural Peridot & Natural Turquoise Halo-Style Pendant

Important Pricing Notice

Due to the recent global increase in gold prices in 2025, actual selling prices may be 20-25% higher than the prices listed on this website. Before processing payment and shipping, we will reconfirm the final price with you for approval.

We appreciate your understanding and support.

— Team DOTK

Natural Peridot & Natural Diamond 3 Stone Ring

$1,475.00
14K White Gold Natural Peridot & Natural Diamond 3 Stone Ring  

Important Pricing Notice

Due to the recent global increase in gold prices in 2025, actual selling prices may be 20-25% higher than the prices listed on this website. Before processing payment and shipping, we will reconfirm the final price with you for approval.

We appreciate your understanding and support.

— Team DOTK

Yellow Gold Rectangle Shapes Cuff Bangle

$1,465.00
14K Yellow Gold Rectangle Shapes Cuff Bangle

Important Pricing Notice

Due to the recent global increase in gold prices in 2025, actual selling prices may be 20-25% higher than the prices listed on this website. Before processing payment and shipping, we will reconfirm the final price with you for approval.

We appreciate your understanding and support.

— Team DOTK

Christina Termine

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”.

Christina Termine
HANDCRAFTED

RECENT CUSTOM DESIGNS

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

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