A 5.00 carat rectangular octagonal London blue topaz with 0.14 carats of round London blue topaz and 0.17 carats of round white zircon in 18K yellow gold over sterling silver dangle earrings with leverback backings - the London blue topaz earring in warm gold where the richest and most saturated blue topaz variety makes a statement. At 5.00 carats rectangular octagonal, the London blue stones command the ear. The warm gold creates the contrast that makes the deep blue appear even more saturated. Leverback backings.