SaveFeb 21, 2026Loose Tanzanite Gemstone - GSI Marquise 1.88ct Blue ECSEUYCO4.5(48)Est. $475-$575$295
SaveFeb 21, 2026Loose Tanzanite Gemstone - GSI Marquise 1.57ct Blue ECSEUYCO4.5(48)Est. $425-$525$260