The name comes from the supposed origin of the Cross from monastery in the Luxembourg Ardennes. It is one of the few early medieval large crosses with gemstone jewelry.
The “Crux gemmata”, the technical term for crucifixes fitted with gems, since late antiquity was a sign of victory of Christ and His return at the end of times. The Early Middle Ages saw the cross as a symbol of Christ victorious over death. Only later it is a symbol of suffering and death of Jesus.