GemDelta
Dashboard

Grade Matrix

PSA
PSA 6
-
PSA 7
-
PSA 8
$32
PSA 9
$45
PSA 10
$135

PSA 10: PriceCharting; refreshed Sep 10, 2026

CGC
CGC 8
-
CGC 9
-
CGC 10
$81
CGC P10
-

Availability

Availabilityi
1/10G: 12/y
Graded: ~12 sales/yr (low) · Sales per year: ~59 sales/yr · Graded copies: 12

TCGplayer Price History

Reverse HolofoilProduct 90200Fetched Sep 6, 3:41 AM
TCGplayer market
$4.30
Latest avg sale
$2.01
Units sold
85

Card Value FAQ

How much is Unown B (Diamond & Pearl #66) worth?

GemDelta shows Unown B (Diamond & Pearl #66) at $4.30 market price (TCGplayer market). Its Delta multiple is 41.6x.

How much is a PSA 10 Unown B (Diamond & Pearl #66) worth?

A PSA 10 Unown B (Diamond & Pearl #66) is currently shown at $135. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.

Is Unown B (Diamond & Pearl #66) worth grading?

GemDelta records a 8.33% gem rate for Unown B (Diamond & Pearl #66), with 1 PSA 10 copy out of 12 total PSA grades and a 41.6x Delta. That describes the grading profile; it is not financial advice.

What is the Reverse Holo version of Unown B (Diamond & Pearl #66) worth?

The Reverse Holo version of Unown B (Diamond & Pearl #66) is shown at $4.30 market price. That value is for this stored card variant, not the base printing.