Black High to Mid Heel Sandals with Crystals. A lush range of embellishments adds an extra hint of flair to this black and crystal sandal by MIZCHI Pretty Small Shoes. This striking edgy yet resolutely `party` heel boasts an eye-catching 8 or 4cm block heel with cut-away wedge at the top, with crystal effect jewels encrusting the strap creating super lux open toes for a stylish summer look.