Unlocking the Development Diagram
Ungraded card references. Condition and selling costs affect what you receive; graded slab values are not covered.
Unlocking the Development Diagram #ST10-014 from Starter Deck 10: Generation Pulse (Normal): TCGPlayer US-market reference US$1.49, updated 21 Oct 2026. Source currency: USD.
What does this price mean?
TCGPlayer is a US-market reference in USD. Cardmarket uses a Non-foil guide · EUR source, converted from EUR to USD; it is not UK-only pricing. Prices refer to the displayed printing. Your card's condition, language, grading and selling costs can affect what you receive.
US market price history · 27 Jun 2026 – 21 Oct 2026
95 recorded price points. Change compares the first and last points shown.
View recorded prices as a table
| Date | Market price |
|---|---|
| 27 Jun 2026 | $3.99 |
| 28 Jun 2026 | $0.52 |
| 29 Jun 2026 | $0.50 |
| 30 Jun 2026 | $0.50 |
| 1 Jul 2026 | $0.48 |
| 2 Jul 2026 | $0.47 |
| 3 Jul 2026 | $0.47 |
| 4 Jul 2026 | $0.47 |
| 5 Jul 2026 | $0.46 |
| 6 Jul 2026 | $0.46 |
| 7 Jul 2026 | $0.48 |
| 8 Jul 2026 | $0.48 |
| 9 Jul 2026 | $0.50 |
| 10 Jul 2026 | $0.50 |
| 11 Jul 2026 | $0.51 |
| 12 Jul 2026 | $0.51 |
| 13 Jul 2026 | $0.53 |
| 14 Jul 2026 | $0.53 |
| 15 Jul 2026 | $0.76 |
| 16 Jul 2026 | $0.76 |
| 17 Jul 2026 | $0.92 |
| 18 Jul 2026 | $1.19 |
| 19 Jul 2026 | $1.19 |
| 20 Jul 2026 | $1.19 |
| 21 Jul 2026 | $1.33 |
| 22 Jul 2026 | $1.36 |
| 23 Jul 2026 | $1.36 |
| 24 Jul 2026 | $1.36 |
| 25 Jul 2026 | $1.40 |
| 26 Jul 2026 | $1.40 |
| 27 Jul 2026 | $1.40 |
| 28 Jul 2026 | $1.43 |
| 29 Jul 2026 | $1.46 |
| 30 Jul 2026 | $1.46 |
| 31 Jul 2026 | $1.57 |
| 1 Aug 2026 | $1.61 |
| 2 Aug 2026 | $1.61 |
| 3 Aug 2026 | $1.61 |
| 4 Aug 2026 | $1.61 |
| 5 Aug 2026 | $1.67 |
| 6 Aug 2026 | $1.67 |
| 7 Aug 2026 | $1.76 |
| 8 Aug 2026 | $1.76 |
| 9 Aug 2026 | $1.76 |
| 10 Aug 2026 | $1.76 |
| 11 Aug 2026 | $1.76 |
| 12 Aug 2026 | $1.76 |
| 13 Aug 2026 | $1.80 |
| 14 Aug 2026 | $1.80 |
| 15 Aug 2026 | $1.80 |
| 16 Aug 2026 | $1.80 |
| 17 Aug 2026 | $1.80 |
| 18 Aug 2026 | $1.88 |
| 19 Aug 2026 | $1.88 |
| 20 Aug 2026 | $1.88 |
| 21 Aug 2026 | $1.92 |
| 22 Aug 2026 | $1.92 |
| 23 Aug 2026 | $1.92 |
| 24 Aug 2026 | $1.92 |
| 25 Aug 2026 | $1.92 |
| 26 Aug 2026 | $1.92 |
| 27 Aug 2026 | $1.94 |
| 28 Aug 2026 | $1.94 |
| 29 Aug 2026 | $1.94 |
| 30 Aug 2026 | $1.94 |
| 31 Aug 2026 | $1.94 |
| 1 Sept 2026 | $1.97 |
| 2 Sept 2026 | $1.97 |
| 3 Sept 2026 | $1.97 |
| 4 Sept 2026 | $1.85 |
| 5 Sept 2026 | $1.85 |
| 6 Sept 2026 | $1.73 |
| 7 Sept 2026 | $1.73 |
| 8 Sept 2026 | $1.65 |
| 9 Sept 2026 | $1.65 |
| 10 Sept 2026 | $1.65 |
| 11 Sept 2026 | $1.65 |
| 12 Sept 2026 | $1.65 |
| 13 Sept 2026 | $1.65 |
| 14 Sept 2026 | $1.65 |
| 15 Sept 2026 | $1.50 |
| 16 Sept 2026 | $1.50 |
| 19 Sept 2026 | $1.50 |
| 22 Sept 2026 | $1.51 |
| 25 Sept 2026 | $1.52 |
| 28 Sept 2026 | $1.53 |
| 1 Oct 2026 | $1.54 |
| 4 Oct 2026 | $1.52 |
| 7 Oct 2026 | $1.52 |
| 10 Oct 2026 | $1.52 |
| 15 Oct 2026 | $1.50 |
| 16 Oct 2026 | $1.50 |
| 17 Oct 2026 | $1.49 |
| 20 Oct 2026 | $1.49 |
| 21 Oct 2026 | $1.49 |
Sales History
28 sold · all variants(30D)Sales recorded · 19 Sept 2026 – 18 Oct 2026. Sales are grouped into reporting periods; the final date is the latest available data.
Showing Normal - Near Mint - English
View recorded sales data
| Date | Units sold | Transactions | Market price | Details |
|---|---|---|---|---|
| 21/09/2026 | 5 | 3 | $1.51 | View sales |
| 24/09/2026 | 0 | 0 | $1.52 | View sales |
| 27/09/2026 | 4 | 2 | $1.53 | View sales |
| 30/09/2026 | 4 | 1 | $1.54 | View sales |
| 03/10/2026 | 1 | 1 | $1.53 | View sales |
| 06/10/2026 | 6 | 2 | $1.52 | View sales |
| 09/10/2026 | 0 | 0 | $1.52 | View sales |
| 12/10/2026 | 1 | 1 | $1.52 | View sales |
| 15/10/2026 | 7 | 3 | $1.50 | View sales |
| 18/10/2026 | 0 | 0 | $1.50 | View sales |
Average recorded market price is the simple mean of reporting periods with a positive market price; it is not weighted by sales volume. A dash means no usable observation is available.