I have also seen similar centerpieces that use epsom salts instead of sugar. You could also sprinkle a mix of pearls/gems. Sand (or sugar), faux pearls, a 3 candle. An easy DIY wedding centerpiece idea.
Personalised wine bottles are such a fantastic gift & keepsake. But why use stick on labels when you can have them engraved. Bridesmaids Gifts Will you be my bridesmaid Wedding Wine Labels- Wine Bottle Labels set of 8 maid of honor