Block diamond initial necklace allows you to choose from 3 to 5 block letters to create a personalized necklace. Set in 14k yellow gold. 18 inches long. Medium letter height approx. 5.2mm. Please add letters in the comment section. Please allow 3 weeks for delivery. For custom orders more than 5 letters, contact us at onlineconcierge@hamiltonjewelers.com.