Calibrated Duo – Natural Iolite 8×10 & Blue Topaz 10 mm – Eye-Clean – Untreated/Standard-Treated

Both are calibrated sizes—perfect for custom ring/earring sets. 3.83Ct Stunning Natural Iolite Ink Blue 10.4x8.6x6.8mm Emerald Cut Gemstone Specs • Species/Variety: Natural iolite (cordierite) • Weight: [fill in ct] (typical 3–4.5 ct at this size) • Size: 8.0 × 10.0 mm • Color: Deep violet-blue with pleochroism • Clarity: Face-up clean; minor facet wear if any (see photos) • Treatment: None known Natural Topaz 5.61 ct – Swiss Blue (treated) – Cushion 10×10 mm Specs • Weight: 5.61 ct • Size 10.0 × 10.0 × 6.6 mm • Color: Vibrant Swiss blue • Clarity/Cut: Eye-clean; excellent polish • Treatment: Routine irradiation + heat (industry standard)