Quality You Can Trust, Feel, and Measure
Every Stelart piece is engineered for a lifetime of wear. No compromises.
What “Quality” Means to Us
Quality isn’t a checkbox. It’s our compass. From responsibly sourced metals to final hand-polish, we uphold exacting standards so your jewelry looks and feels exceptional years from now, not just the day you unbox it.
Materials & Specs
- 14K and 18K Gold Vermeil - thick plating (3× thicker than industry flash)
- Sterling Silver 925 - recycled & alloy-certified
- Gemstones - certified lab-grown diamonds, natural gems
- Hardware - solid posts for hypoallergenic comfort
Multi-Stage Testing Protocol
- Visual Inspection - multi-point checklist catches most of defects upstream.
- Tensile Strength Test - chains withstand ≥ 3 kg pull force.
- Micron Audit - verifies gold layer thickness within our standards.
- Salt-Spray Simulation - 24-hour test equals 3 years of wear.
- Human Wear Trial - team members road-test samples for 15 days.
Lifetime Support
All products are covered against manufacturing defects. Need a clasp repair or replating later on? Our Lifetime Care program has you covered. Simply email info@stelartjewelry.com.
Quality in Numbers (FY 2024)
0.8%Return rate due to defects
99.6%Batch pass rate at QC
1 ppmNickel content. Well below EU limit
+93Net Promoter Score
Updated June 2025