Laboratory Certified Black Tourmaline 8 mm Knotted Natural Stone Necklace

Crafted with Zevrina’s premium standards, the Laboratory Certified Black Tourmaline 8 mm Knotted Natural Stone Necklace is a bold, refined piece made with 8 mm round natural stone beads, individually knotted for enhanced durability, comfort, and a luxurious finish.

All of our products are laboratory certified, ensuring the authenticity and natural origin of each stone. Black Tourmaline is admired for its deep black appearance and strong natural character, traditionally associated with grounding, protection, stability, and balanced energy. Its clean, unisex look makes it an effortless choice for both everyday wear and elevated styling.

The knotted design helps protect each bead, supports a smooth natural drape, and increases longevity—making this necklace ideal for daily use. Wear it alone as a strong statement or layer it with other Zevrina necklaces for a modern, curated aesthetic.

Technical Specifications

• Stone Type: Black Tourmaline (Natural Stone)

• Bead Diameter: 8 mm

• Cut: Round Bead

• Design: Individually Knotted Necklace

• Certification: Laboratory Certified

Why Choose Zevrina?

• 100% natural stones with laboratory certification

• Hand-finished knotted craftsmanship for durability

• Bold, minimal, and timeless design

• Comfortable for daily wear and layering

• Premium craftsmanship with transparent standards

Experience grounded strength and certified authenticity with Zevrina’s Black Tourmaline 8 mm Knotted Natural Stone Necklace, where natural power meets refined craftsmanship.