The Borromean interlaced rings is an ancient symbol symbolizing strength in unity. If you cut one apart, the rest fall apart. 
This symbol is depicted in Buddhist, Viking and Roman Art.

Handcrafted Sterling Silver setting with 3mm faceted stone. Pictured with  Pink Tourmaline can be reproduced in stone of you preference. me for availability
The Borromean circles setting is a vintage die. Dies were the method for reproducing jewelry before lost wax casting was developed

• Pendant measures 3/8"
• 16" - 18" silver cable chain (9mm on 40cm -45cm chain)

Made to order. Ready to ship in 5-7 business days