The Citi Custom Cash edges out the Citi Diamond Preferred for most cardholders — it wins on 2 of 4 comparison categories and offers $2 signup bonus earns more (up to 5x vs 1x). The Citi Diamond Preferred is the better choice if you prioritize a different rewards ecosystem.
Citi Custom Cash vs Citi Diamond Preferred
Side-by-side comparison of fees, rewards, benefits, and transfer partners.
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Common Questions: Citi Custom Cash vs Citi Diamond Preferred
Is the Citi Custom Cash or Citi Diamond Preferred better for dining?
Neither card offers a specific dining bonus — both earn their base rate on restaurant purchases.
Which has the higher signup bonus in 2026?
Citi Custom Cash currently offers $2 signup bonus (spend $1,500 in 6 months). Citi Diamond Preferred offers no current bonus. Citi Custom Cash has the larger bonus.
Which card is better for international travel?
Citi Custom Cash charges no foreign transaction fees — the better pick for international use. Citi Diamond Preferred charges 3% on foreign purchases.
Can I hold both the Citi Custom Cash and the Citi Diamond Preferred?
In most cases yes — holding both is allowed and can be a smart strategy for maximizing rewards across different spending categories. Both cards are from Citi, so check their specific application rules.