Choosing the right diamond is a very exciting and memorable experience. And Spence is committed to doing everything they can to help you make your decision with total confidence. That’s why they created the industry’s most comprehensive purchase protection, including their 30-day return policy, lifetime loss protection and lifetime trade-up allowance. Spence is here to make sure you’re completely satisfied with your purchase – now and in the future. At Spence, they stand behind your diamond with the renowned Spence Guarantee. A guarantee with the clarity and durability of the diamond you’ve purchased.