The 2023 Topps Diamond Icons Baseball checklist is luxury-level autographs and memorabilia cards only. Think on-card ink, low print runs and a concentration of big names. Most Topps products at this level have one or two cards per box. Diamond Icons has 10: two autographed relics, seven additional autographs and one relic.

No individual card in 2023 Topps Diamond Icons Baseball has a print run higher than 25. All are serial-numbered as well.

Autographs and Diamond Icons Autographs both return. These are among the more common cards in the product — if 25 copies is considered common. Parallels for Diamond Icons Autographs include Purple (/10), Red (/5) and Gold (1/1).

Icons of the Diamond Autographs are done on acetate stock. Base versions of these max out at 25 copies with Canary (/10), Black (/5) and Pristine (1/1) versions also available.

New this year are Black PoluchromatINK and White PlychromatINK Autographs that come signed in a mix of metallic inks. All are numbered to 15 and under.

Among the signature relics are Autographed Jumbo Patches (/25 or less) that also have Purple (/10), Red (/5) and Gold (1/1) parallels.

Autographed Diamond Relics (/10) and Autographed Diamond in the Rough Relics (/10) replace game gear with actual diamonds.

Single-Player Autograph Relics have three similar but separate versions: single-swatch, dual-swatch and dual-swatch dual team that showcase two franchises that they starred on.