The "Black Cup" ring is a innovative black diamond solitaire ring made of 14k white gold. CUSTOMIZATION. The same design can be made in 18k gold. The ring is available in white gold or yellow gold. The ring is available with a large selection of diamonds and colored gemstones. On the hand is shown the Cup ring with rose sapphire. We'll be happy to work with you to customize the ring to your preferences. Please feel free to contact us for additional information and quotes. PREPARATION, PACKAGING AND SHIPPING. Each ring is custom made to order. Please allow us 10-20 days to create it for you. The ring is sent beautifully gift-wrapped. We ship worldwide. FREE SHIPPING is via courier company, door-to-door express, insured service. It will arrive to you within 2-5 business days.