Rene Caovilla Ladies Sandals. SKU - C11574-010-R001V050-BLACK. Color - Black. Rene Caovilla Diana Crystal Flat Sandals. Diana flat thong sandals showcase a round toe design and a rubber sole for comfort. They feature a branded insole and an adjustable strap adorned with tonal baby crystals for a touch of sparkle. Made in Italy. Please visit the brand website for sizing information.