Entry
CommercialPrice index102.0▲ 0.5% qtr
Q1 2025Q2 2026
Example grade (e.g.)IndiaWhite / weak adularescenceUntreated · cabochon2 – 8 ct
Market band$15 to $30 / ct
The Gemius IndexMNS
Moonstone
Four market segments for moonstone, Entry to Investor. Each shows its price index, market band and an example grade. Refreshed every quarter.
By market segment
Where a moonstone lands depends on its origin, colour, clarity, treatment and size.
Mid
GoodPrice index107.0▲ 1.7% qtr
Q1 2025Q2 2026
Example grade (e.g.)India / MadagascarWhite or rainbow sheenUntreated · faceted or carved5 – 15 ct
Market band$65 to $100 / ct
Premium
Fine · HeadlinePrice index114.0▲ 3.2% qtr
Q1 2025Q2 2026
Example grade (e.g.)Sri LankaVivid blue sheenUntreated · large cabochon8 – 20 ct
Market band$310 to $410 / ct
Investor
Extra-FinePrice index118.0▲ 4.0% qtr
Q1 2025Q2 2026
Example grade (e.g.)Sri LankaGlassy strong blue sheenUntreated · transparent cabochon20 ct +
Market band$450+ / 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.
Other gems
See the market data for any other species we cover.
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AlexandriteColor change · RussiaAmberOrganic · BalticAmethystPurple quartz · UruguayAmetrineBicolor quartz · BoliviaAquamarineBeryl · blueCitrineYellow quartzEmeraldBeryl · ColombiaGarnetMulti-variety · pyrope to demantoidIoliteCordierite · pleochroicJadeiteImperial green · MyanmarKunziteSpodumene · pinkMorganiteBeryl · pinkOpalPlay of color · AustraliaPeridotOlivine · PakistanRubyHardness 9 · red corundumSapphireHardness 9 · blue corundumSpinelHardness 8 · unheatedSunstoneAventurescence · OregonTanzaniteZoisite · Tanzania onlyTopazImperial · BrazilTourmalineMulti-color · elbaiteZirconHigh dispersion · Cambodia