Struggling for a birthday gift for your favourite November-born lady? We have just the thing! Our 9ct yellow gold stud earrings feature 6mm oval sky blue topaz gemstones - the birthstone for November. Measuring 0.8 x 0.6 x 0.3cm, they're ideal for those who prefer a minimal jewellery look. And weighing a tiny 0.7 grams, they're perfectly comfortable to wear for long periods at a time.