Silva & Sons Gem House
Burmese ruby, alexandrite and fine collectibles
Family house trading between Colombo and Bangkok since 1998. Specialists in Mogok ruby and color-change alexandrite with Gübelin, SSEF and GRS certification.
| Laboratory | Report № | Issued | Stone |
|---|---|---|---|
| SSEF | 1287402 | Feb 10, 2026 | 1.75 ct Brazilian Paraiba Tourmaline — Neon Turquoise-Blue, SSEF Certified |
| GRS (GemResearch Swisslab) | GRS2025-062193 | Jun 19, 2025 | 1.21 ct Alexandrite — Strong Color Change, GRS Certified |
| Lotus Gemology | LGT 2025-03471 | Mar 14, 2025 | 8.20 ct Ceylon Star Sapphire Cabochon — Lotus Certified |
| Gübelin Gem Lab | 24030126 | Mar 1, 2024 | 2.04 ct Mogok Ruby — Unheated Pigeon's Blood, Gübelin Certified |
| GIA | 7421908354 | May 11, 2023 | 2.30 ct Colombian Emerald — Muzo, Minor Oil, GIA Certified |