Cosmic Boulder Opal Necklace
N40211OPCDIA
$1,850
This limited-edition necklace from our Cosmic collection features an oval-shaped Boulder opal set horizontally with a sparkling, bezel-set diamond to complement it. The 18K yellow gold setting and attached chain add warmth and richness to the look.
- 18 karat yellow gold
- Boulder Opal 1 carat approx.
- Diamond 0.05 carat approx.
- 18 inch, adjustable at 16-17 inch
- Lobster clasp
- Limited edition
- SKU: N40211OPCDIA
Boulder Opal is a unique and beautiful opal found in Queensland, Australia. It is easily identifiable because it is a mixture of ironstone and opal either in a matrix or layered. At Syna, we always seek to source the most luminescent ones, while keeping their natural beauty, inclusions and all intact.
We offer complimentary shipping to all our customers. And we give you 7 days to fall in love with your Syna piece.
If you decide the piece is not right for you, simply reach out to us to initiate your return, no questions asked.
All international orders are final sale. See Shipping and Returns policy for details.

- 18 karat yellow gold
- Boulder Opal 1 carat approx.
- Diamond 0.05 carat approx.
- 18 inch, adjustable at 16-17 inch
- Lobster clasp
- Limited edition