2026 Topps Finest Konnor Griffin Mini Diamonds Refractor

Konnor Griffin debuted in the majors on April 3, 2026 as the consensus No. 1 prospect in baseball — ranked first by MLB.com, Baseball America, and Baseball Prospectus — and five days later signed a nine-year, $140 million extension with the Pittsburgh Pirates. His official rookie cards in 2026 Topps Finest Baseball arrived at the peak of that buzz, and this Mini Diamonds Refractor is one of the most distinctive ways to own one.

The Mini Diamond Refractor is a Mega Box exclusive parallel — the only format in all of 2026 Topps Finest that carries the Mini Diamond rainbow. You cannot pull this finish from a Hobby box, an FDI box, or a Breaker Delight; it lives entirely in Finest Mega Boxes, making it a format-locked hit that Hobby-only breakers simply can't chase.

• Set: 2026 Topps Finest Baseball — the product's debut year with a Mega Box format and a brand-new tiered base structure (Common, Uncommon, Rare, Super Rare)
• Parallel: Mini Diamonds Refractor — Mega Box exclusive, unnumbered base version from a rainbow that climbs through Pink /250, Aqua /199, Blue /150, Green /99, Purple /75, Gold /50, White /30, Orange /25, Black /10, Red /5
• Player: Konnor Griffin, Pittsburgh Pirates SS — the 2025 Baseball America Minor League Player of the Year, who hit .333/.415/.527 with 21 HR and 65 steals across three levels before his big-league call-up
• Rookie status: Confirmed first-year MLB rookie card

Griffin's physical profile — 6-foot-3, 222 pounds, with 70 grades on both his run and arm tools — draws the kind of generational-talent comparisons that move markets fast. The Mini Diamond Refractor is the entry point to a numbered rainbow that gets very expensive very quickly. The unnumbered version is the one to grab before the numbered copies price the tier out of reach.

Available at Collector Station, Easley, SC. Local pickup available. All sales final. Shipping damage must be reported within 48 hours of delivery with photos.