★ Navaja Knife | Doppler | Sapphire

It is one phase of the Navaja Knife Doppler finish, released on March 13, 2019. It drops from the Prisma Case as a rare special item. The Navaja Knife Doppler (Sapphire) runs from 0.00 to 0.08 in float, so it comes only in Factory New and Minimal Wear, and it has a StatTrak version.

Factory New peaked at $683 on October 31, 2023 and trades 75% below that peak. It is down 6.3% over the past year and down 15% over 90 days. Over the past year it traded between $170 and $259. Its all-time low was $146, on October 24, 2025. The CS2 price history API carries the full Navaja Knife | Doppler (Sapphire) (Factory New) price history.

Minimal Wear costs 1.7 times as much as Factory New, the cheapest wear.

Steam asks the most at $255, 49% above the cheapest Factory New listing on CSFloat.

Doppler comes in four phases, Phase 1 to Phase 4, plus three rarer gem patterns: Ruby, Sapphire and Black Pearl. The pattern seed fixes the phase, and each phase trades as its own item with its own price. Black Pearl is the most expensive phase at $287, and Phase 3 the cheapest at $98.

13 Factory New copies are listed for sale across the four marketplaces. 8 Factory New copies sold in a recent 7-day window. Factory New is liquid and usually sells within a day.

The Doppler (Sapphire) finish also comes on the Bayonet, the Bowie Knife, the Butterfly Knife, the Falchion Knife and 13 other weapons. It counts toward the Doppler (Sapphire) index.