Image 1 of 2 Image 2 of 2 Prisma Dress by Alexandra Grecco Sale Price: £1,900.00 Original Price: £2,950.00 Prisma wedding dress in Silk Satin fabric. Size US10/UK12-14. Excellent condition. By Alexandra Grecco. Add To Cart Added! Prisma wedding dress in Silk Satin fabric. Size US10/UK12-14. Excellent condition. By Alexandra Grecco.