A Personalized Accessory: Lariat Style Tennis Necklace Tennis With Initial and Birthstone Get them something personalized like this Lariat Style Tennis Necklace Tennis With Initial and Birthstone ($16-$23). You can customise their initial charm and their birthstone charm accordingly. Image Source: etsy.com Lariat Style Tennis Necklace Tennis With Initial and Birthstone $16 from etsy.com Buy Now