The Gemius IndexALE

Alexandrite

Four market segments for alexandrite, Entry to Investor. Each shows its price index, market band and an example grade. Refreshed every quarter.

By market segment

Where a alexandrite lands depends on its origin, colour, clarity, treatment and size.

Entry

Commercial
Price index106.0 1.4% qtr
Q1 2025: 100.0Q2 2025: 101.7Q3 2025: 101.2Q4 2025: 103.9Q1 2026: 104.5Q2 2026: 106.0
Q1 2025Q2 2026
Example grade (e.g.)Sri Lanka / IndiaWeak color-changeUntreated · SI clarity< 1 ct
Market band$320 to $730 / ct

Mid

Good
Price index114.0 3.2% qtr
Q1 2025: 100.0Q2 2025: 103.9Q3 2025: 102.8Q4 2025: 109.1Q1 2026: 110.5Q2 2026: 114.0
Q1 2025Q2 2026
Example grade (e.g.)Brazil / TanzaniaModerate color-changeVS clarity1 – 2 ct
Market band$6,500 to $21,000 / ct

Premium

Fine · Headline
Price index124.0 5.1% qtr
Q1 2025: 100.0Q2 2025: 106.7Q3 2025: 104.8Q4 2025: 115.6Q1 2026: 118.0Q2 2026: 124.0
Q1 2025Q2 2026
Example grade (e.g.)Brazil Hematita / BahiaStrong color-changeVS – VVS2 – 5 ct
Market band$21,000 to $38,000 / ct

Investor

Extra-Fine
Price index132.0 6.5% qtr
Q1 2025: 100.0Q2 2025: 109.0Q3 2025: 106.4Q4 2025: 120.8Q1 2026: 124.0Q2 2026: 132.0
Q1 2025Q2 2026
Example grade (e.g.)Russia (Ural)100% color-change · VVSUntreated5 ct +
Market band$163,000+ / ct

Price index base 100 at Q1 2025. Market band is the per-carat range across the segment. Example grades are illustrative, not an offer to buy or sell. As of Q2 2026.