Materials and craftsmanship:
▸ Main stone: 1.5-8mm Royal Blue/Peacock Blue/Velvet Blue available (each comes with a Sri Lanka mine traceability certificate)
▸ Setting: 950 platinum "invisible claw setting" technology (only 0.3mm gold wire touches the gemstone)
▸ Chain: Italian "Velvet Chain" craftsmanship (3 times more flexible than ordinary snake bone chain)
Optical magic:
✓ Special pavilion cut makes sapphire present "velvet halo" on cloudy days
✓ "Starlight filter" can be purchased separately to project real star map