Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Diamond Flower Ring in .925 Sterling Silver
Product description: 6 stone all natural, genuine diamond ring set in sparkling .925 sterling silver. 6 round diamonds are channel set on this lovely ring and weigh a total of 0.06 carats. A simple, yet classic piece great for casual and formal wear. The .925 sterling silver band is rhodium plated, like white gold, to prevent from tarnishing. A solid ring featuring exceptional workmanship and quality. Diamond Color I-J, Clarity I2-I3.
Product feature: 30 Day Money Back Guarantee, 60 Day Complimentary Repair Service, Complimentary Packaging, ASIN: B00H0ERXQI, Date first listed on Amazon: November 30, 2013, Average Customer Review: 4.0 out of 5 stars 2 customer reviews
Product brand: Szul
Target attributes: Silhouette
Answer: attribute: silhouette
value: band
source: product description