12mm oval blue lampwork beads alternate with 10x10mm filigree silver diamonds suspended between lengths of silver-plated link chain.  The infinity necklace has no closure and is 32" long. 
 
All metal used is hypoallergenic, nickel-free, and either sterling silver, silver, gold-plated, or stainless steel unless noted otherwise in the description.   Every item is handcrafted and custom-made, nothing mass-produced.