Garden Glory Diamond Garden Spade in Black. Once you've gotten your hands on this precious golden garden spade, you'll never want to let it go. This piece of jewelry goes perfect with the matching Diamond watering can in Onyx.. Made in Sweden. The diamond spades have blades in solid brass.. The handles are made from compression-molded plastic - simply because it is more durable than wood, and warmer to touch than steel. GGLO-WH20. 61.