Mishca Jewels Twisted Sterling Silver & Cubic Zirconia Heart Pendant by Mishca Jewels. This unique pendant features a 6mm sparkling zircon gemstone encased in a twisted heart on a 42cm 925 Sterling Silver cord. Indulge in this twisted heart pendant and add a twist to your love life. Guaranteed to please, this pendant comes wrapped in beautiful luxury packaging. Ideal for the perfect gift.