Seeing sapphires in a dream represents the protection of heaven. It also represents openness and understanding of your unconscious.
Dream dictionary: Sapphires dream meanings
Dreaming of soft sapphires symbolizes desire for love, abundance and fortune. You sacrifice your fortune to obtain affection. On the other hand, it can be indicative of your happiness.
…The significance of stones (precious and other-wise). Amethyst, success in courtship; blood-stones, legacies; coral, a birth; cornelian, treachery; diamonds, drowning; emeralds, great success in the arts; jasper, inconstancy; opal, separation, divorce, rapture in friendships; pearls, great sorrow; rubies, lover’s kisses; turquoise, the breaking off of an engagement; sapphires, a wedding; common pebbles, petty troubles; black rocks, illness and death; sand, a serious calamity; chalk, ailment or death of a child; granite, accident on land; marble, death.To dream of teeth coming out portends illness or death, but not necessarily of the dreamer. For example, a man told me that, on the night preceding the death of one of his brothers, he dreamed his teeth fell out, and that on one of them was a portrait of the brother who died….