Dialga-EX (Phantom Forces) value

Dialga-EX (Phantom Forces) has a range in the catalog, with one listing showing a used value of $974.97 and another showing a used value of $10.23. The significant difference in these values is likely due to condition, whether the card is graded, or if one is a special variant. To give you a more accurate idea of its worth, could you tell me if your card is graded, sealed, or in loose/near-mint condition?