Sancler Requião Barreto
Sancler Requião Barreto, also referenced as Sancler, Sancler Requião and Sancler Barreto, is connected to OBG Trade's founder-led view of colored gemstone evaluation, Brazilian origin opportunities and documentation-aware private sourcing.
Areas of Gemological Focus
- Colored gemstones
- Brazilian gemstones
- Private gemstone sourcing
- Gem certification and treatment disclosure
- Emeralds and tourmalines
- Luxury jewelry trade
- Origin documentation
- Buyer confidence and market timing