{"success":true,"comparison":"citi-diamond-preferred-vs-platinum","summary":{"updatedAt":"2026-10-07T18:12:42.565Z","generatedAt":"2026-10-07T18:12:42.565Z","lastVerifiedAt":null,"entityType":"card_comparison","entityName":"Citi Diamond Preferred vs Platinum","pageUrl":"https://cardcurator.ai/compare/citi-diamond-preferred-vs-platinum","canonicalUrl":"https://cardcurator.ai/compare/citi-diamond-preferred-vs-platinum","jsonUrl":"https://cardcurator.ai/api/public/compare/citi-diamond-preferred-vs-platinum/summary","methodologyUrl":"https://cardcurator.ai/how-we-rank-cards","dataSourcesUrl":"https://cardcurator.ai/data-sources","sourceUrls":["https://cardcurator.ai/compare/citi-diamond-preferred-vs-platinum","https://cardcurator.ai/api/public/compare/citi-diamond-preferred-vs-platinum/summary","https://cardcurator.ai/card/citi-diamond-preferred","https://cardcurator.ai/card/platinum","https://cardcurator.ai/how-we-rank-cards","https://cardcurator.ai/data-sources"],"dataVersion":"public-citation-v1","shareTitle":"Citi Diamond Preferred vs Platinum","shareText":"Citi Diamond Preferred and Platinum tie on this headline comparison. Your spending, fees, and benefits you actually use should decide the better fit. On raw upside, Citi Diamond Preferred tops out at 1x versus 1x for Platinum. Current signup bonus values are roughly $0 for Citi Diamond Preferred and $0 for Platinum. Summary generated October 7, 2026. Source: https://cardcurator.ai/compare/citi-diamond-preferred-vs-platinum","evidenceBullets":["Citi Diamond Preferred wins 0 of 4 comparison categories in CardCurator's quick verdict model.","Top earn rate: Citi Diamond Preferred reaches 1x; Platinum reaches 1x.","Annual fee: Citi Diamond Preferred is no annual fee; Platinum is no annual fee.","Current public bonus values: Citi Diamond Preferred ~$0; Platinum ~$0."],"winner":{"name":"Citi Diamond Preferred","slug":"citi-diamond-preferred","score":0,"maxEarnRate":1,"annualFee":0},"loser":{"name":"Platinum","slug":"platinum","score":0,"maxEarnRate":1,"annualFee":0}}}