Exclusively for our readers, this Mom Circle Birthstone Pendant Necklace drops from $59.99 to $16.99 when you add the code BRADSMOMDAY at checkout at Limoges Jewelry. Shipping adds $2.99. This matches the last time we saw this deal. It is available in silver and gold plate and can be personalized with 3-8 birthstones, which form the "o" in "mom". You must order by 5/7 to guarantee Mother's Day shipping. There's no sales tax (except AZ, MD, IL, NJ, and TN).