OFFER: Get your Diamond-Z4 ring now for only $20.00 plus $6.99 shipping and handling. But wait! Complete the set and receive the complimentary band totaling 1.92 ct. Every set includes a certificate of authenticity. Both rings total at an astounding 6.03 ct. Just pay a separate fee of $9.99! Hurry, this limited time offer isn't available in stores! GUARANTEE: Your satisfaction is 100% guaranteed. If you are dissatisfied with your Diamond-Z4 Ring for any reason, simply return the product within 30 days for an easy refund of your purchase price, excluding shipping and handling. See our return policy for more information. Exceptions may apply.