1999 Upper Deck Black Diamond A Piece of History Shaquille O'Neal #SO
1999
See all Shaquille O'Neal cards & values1999 seasonLos Angeles LakersShaquille O'Neal career & card values
Rare
$45.00est. value (ungraded)
Prices updated 2026-10-26
Based on recorded sold prices how we price cards
Card number
#SO
Year
1999
Shaquille O'Neal price history
$1,000▲ 10.5%
Oct 19 · $905 low$1,000 high · Oct 26
PSA 10 market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 1999 Upper Deck Black Diamond A Piece of History Shaquille O'Neal #SO each month, from 2 recorded price readings. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
Recorded high
$45.00
Recorded low
$45.00
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $45.00 | — |
Shaquille O'Neal prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $45.00 | Buy on eBay ↗ |
| PSA 8 | $92.59 | Buy on eBay ↗ |
| PSA 9 | $183.66 | Buy on eBay ↗ |
| Grade 9.5 | $289.41 | Buy on eBay ↗ |
| PSA 10 | $999.62 | Buy on eBay ↗ |
| BGS 10 | $1,300.00 | Buy on eBay ↗ |
| CGC 10 | $400.00 | Buy on eBay ↗ |
| SGC 10 | $600.00 | Buy on eBay ↗ |
Shaquille O'Neal parallels
2 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission1999 Upper Deck Black Diamond A Piece of History Shaquille O'Neal #SO value & prices
The 1999 Upper Deck Black Diamond A Piece of History Shaquille O'Neal #SO is a Basketball card released in 1999. Ungraded copies carry a market value of about $45.00.
An ungraded copy is worth around $45.00, a PSA 9 around $183.66, a PSA 10 (Gem Mint) around $999.62, a pristine BGS 10 around $1 and300.00. That's roughly a 22× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.
Is it worth grading?
With raw copies near $45.00 and top grades reaching $999.62, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.
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Shaquille O'Neal1999 Upper Deck Black Diamond A Piece of History1999Basketball cardsPSA 10BGS 10card valueprice guide