What is the cheapest Butterfly Doppler phase?

Phase 1 and Phase 3 are typically the most affordable, often trading between $1,800–$3,000 Factory New. Prices vary with float and pattern, but they offer the lowest entry point into Butterfly Doppler ownership.

Why are Ruby and Sapphire Butterfly Dopplers so expensive?

They are among the rarest Doppler finishes, with only about 35 pattern indexes each out of 1,000. Their pure, vibrant colors and high collector demand drive prices well above $10,000, especially in low float Factory New condition.

How do I filter Butterfly Doppler by phase on CSBoard?

Go to /en/items/butterfly-knife-doppler-factory-new and add ?phase=Phase-2 (or Ruby, Sapphire, etc.) to the URL. You can also use the on-page filters to narrow by float, price, and seller rating.

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2026 Edition · Phase Pricing

Butterfly Knife Doppler Guide: Phases, Prices & Trading on CSBoard (2026)

TL;DR

▸Butterfly Doppler comes in 7 distinct phases: Phase 1–4, Ruby, Sapphire, and Black Pearl, each with unique color patterns and price tiers
▸Phase 2 (pink-heavy) and Phase 4 (blue-heavy) are the most sought-after standard phases, trading between $2,000–$4,500 Factory New
▸Ruby and Sapphire are the rarest, regularly exceeding $10,000, while Black Pearl can reach $15,000+ for clean patterns
▸CSBoard charges 0% for deposits and direct item-for-item exchanges without money. P2P marketplace sales carry a 2% selling fee. Instant sell is a separate buyout offer; check its quote and the chosen payout method’s fees and timing before confirming.

Pro tip

Always inspect the float value and pattern index before buying. Even within the same phase, a 0.01 float vs. 0.06 can mean a 10–15% price difference on high-tier Dopplers.

Top 5 Most Valuable Butterfly Doppler Phases

Butterfly Doppler Phase Price Ranges (Factory New)

Phase	Price Range (USD)	Key Color	Rarity
Phase 1	$1,800 – $2,800	Black/Purple mix	Common
Phase 2	$2,500 – $4,500	Pink dominant	Uncommon
Phase 3	$1,900 – $3,000	Green/Teal	Common
Phase 4	$2,200 – $4,000	Blue dominant	Uncommon
Ruby	$9,500 – $14,000	Pure red	Very Rare
Sapphire	$10,000 – $15,000	Pure blue	Very Rare
Black Pearl	$12,000 – $18,000	Deep purple/black	Extremely Rare

Live Butterfly Doppler Listings on CSBoard

Frequently Asked Questions

Inspect the knife in-game or via Steam’s inventory screen. The pattern index determines the phase: 0–417 is Phase 1, 418–417 is Phase 2, 418–617 is Phase 3, 618–817 is Phase 4, 818–852 is Ruby, 853–917 is Sapphire, and 918–999 is Black Pearl. You can also check the phase on CSBoard’s item page by filtering with the phase parameter.

Find Your Butterfly Doppler Now

CSBoard charges 0% for deposits and direct item-for-item exchanges without money. P2P marketplace sales carry a 2% selling fee. Instant sell is a separate buyout offer; check its quote and the chosen payout method’s fees and timing before confirming.

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