• Cobalt Deep Sea Dive Sea Glass Necklace
  • Cobalt Deep Sea Dive Sea Glass Necklace on model for color reference.
  • Cobalt Deep Sea Dive Sea Glass Necklace on ruler for size reference.
  • Necklace length options
  • Frequently asked questions (FAQs) about direct gift shipping.
  • Frequently asked questions (FAQs) about sea glass and shipping.
  • Box and deluxe gift wrap

Cobalt Deep Sea Dive Sea Glass Necklace

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Dive deep into the magnificent colors of the ocean! This stunning necklace features an authentic piece of deep cobalt blue sea glass with gorgeous frosted texture across the surface, adding to the charm of this delightful jewel. The hue of the sea glass is a "true cobalt" blue. The organic shape of this sea glass piece has been carefully set in sterling silver, preserving its natural form as it was tumbled by the waves. Years spent in the ocean has left a few very tiny "c" shaped markings on the sea glass surface which form naturally as it was hydrated by the ocean over time. These markings are a characteristic feature of authentic sea glass. The sleek necklace is shown here finished with a sterling silver snake-style chain. Use the drop-down menu above to select your desired chain length or choose to purchase the pendant alone.

REMEMBER - This is the EXACT piece you will receive!

~ Would you like a different chain? Click this link ( silver chains ) to view our selection of chain styles ~ 

If you like this necklace and would like to customize the color of the sea glass click here:  Sea Glass Single Bezel Necklace


  • Size: 1 1/2" x 3/4"- Measured from the top of the bail to the bottom of the sea glass
  • Metal: Sterling Silver
  • Origin: Puerto Rico
  • Rareness: Rare
  • Includes informational cards about the sea glass and jewelry
  • Comes in a custom gift box, tied with a bow and ready for gift giving!

Please remember, ALL of our sea glass is genuine, ocean-tumbled sea glass that is collected on beautiful beaches in Massachusetts, California, Hawaii and the West Coast. It is NEVER machine-tumbled. Working with authentic sea glass presents may wonderful rewards! Each piece of sea glass is one-of-a-kind, making the jewelry truly unique! Each piece of sea glass is carefully selected for each design by color, shape and size. Earrings are sorted by hand and precisely matched up. LOTS of love, time and care goes into the creation of each piece from start to finish. We use only jewelry-grade, A+ quality sea glass that is smooth, beautiful and resembles a gemstone. Using only the finest of materials ensures quality and durability. We hope you will treasure the jewelry as much as we treasure the art of making it!

product guarantee


  • Free gift ready packaging with every jewelry piece.
  • Deluxe gift wrapping and custom message (select at check out)
  • Free shipping for orders $75 and over in the USA including free direct gift shipping.
  • 30 days: if you don’t love it, simply send it back!


  • Exclusively designed in Massachusetts
  • Individually handmade with love
  • Hypoallergenic – Sterling Silver