THE ESSENTIALS

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

SHOP BIRTHSTONE JEWELRY

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

FEATURED PRODUCTS

Rectangular Diamond Earrings

$1,875.00
14K Yellow Gold Rectangular Diamond Earrings

Important Pricing Notice

Due to the recent global increase in gold prices and import tariffs in January 2026, actual selling prices may be 35% 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

Curved 5 Diamond Ring

$2,145.00
14K Yellow Gold Curved 5 Diamond Ring

Important Pricing Notice

Due to the recent global increase in gold prices and import tariffs in January 2026, actual selling prices may be 35% 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

5 Diamond Necklace

$3,990.00
14K White Gold 5 Diamond Necklace

Important Pricing Notice

Due to the recent global increase in gold prices and import tariffs in January 2026, actual selling prices may be 35% 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

6 Fancy-shape Diamonds Ring

$10,785.00
14K Yellow Gold 6 Fancy-shape Diamonds Ring

Important Pricing Notice

Due to the recent global increase in gold prices and import tariffs in January 2026, actual selling prices may be 35% 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 Fancy-shape Diamonds Ring

$11,850.00
14K Yellow Gold Fancy-shape Diamonds Ring

Important Pricing Notice

Due to the recent global increase in gold prices and import tariffs in January 2026, actual selling prices may be 35% 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

Fancy-shape Diamonds Ring

$20,400.00
14K White Gold Fancy-shape Diamonds Ring

Important Pricing Notice

Due to the recent global increase in gold prices and import tariffs in January 2026, actual selling prices may be 35% 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

Multi-shape Diamonds Earrings

$14,115.00
18K White Gold Multi-shape Diamonds Earrings

Important Pricing Notice

Due to the recent global increase in gold prices and import tariffs in January 2026, actual selling prices may be 35% 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 Diamond Hoops

$18,795.00
14K Yellow Gold Diamond Hoops

Important Pricing Notice

Due to the recent global increase in gold prices and import tariffs in January 2026, actual selling prices may be 35% 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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