Dark Diamond
DIAMOND - THE JEWEL OF LOVE OR THE TOOL OF TREACHERY?

Although Alana Rodgers only knew her grandmother, wealthy Lillian Garrett, as kind and loving, she heard rumors that the elderly lady had an eccentric and vicious streak. So when Lillian invited a strange assortment of guests to her estate for an Easter Egg hunt, Alana's suspicions were aroused...especially when she discovered that the prize would be the fabulous Lake Diamond!

Then Alana learned that her grandmother had a passionate hatred for every one of the guests, believing them to have wronged her. Suddenly the "hunt" was beset by violent, unexplained accidents...and Alana realized that she herself was not exempt from her grandmother's deadly game of death...