Jewels with silver and gold / unique designs using precious and semi precious stones. › Black diamond heart with Silver and Gold Image 1 of 1 Black diamond heart with Silver and Gold $1,150.00 Black diamonds set in sterling silver heart with 18kt gold, handmade. Silver chain is 47.5cm / 18.7 inches long Add To Cart Added! Black diamonds set in sterling silver heart with 18kt gold, handmade. Silver chain is 47.5cm / 18.7 inches long