GIS-Chaser, Code i am proud of

O.o.

namespace GIS_Chaser.Models
{
    public class GemModel
    {
        private IGemStorage _gemStorage { get; set; }

        public GemModel(IGemStorage gemStorage)
        {
            _gemStorage = gemStorage;
        }

        public List<Gems> GetGemsForUser(string id)
        {
            return _gemStorage.GetAll();
        }

        public void AutoAddGem()
        {
            _gemStorage.Persist(CreateRandomGem());
        }

        public Gems CreateRandomGem()
        {
            return AssembleGem(RandomGemType(), RandomPointValue(), RandomCellId());
        }

        public Gems AssembleGem(int type, int points, int cellId)
        {
            Gems gem = new Gems { GemType = type, PointsValue = points*type};
            gem.Positions.CellId = cellId;
            return gem;
        }

        private int RandomCellId()
        {
            Random random = new Random();
            return random.Next(1, 600);
        }

        private int RandomGemType()
        {
            Random random = new Random();
            return random.Next(1, 4);
        }

        private int RandomPointValue()
        {
            Random random = new Random();
            return random.Next(10, 25);
        }

        // max and mins for lats and longs
        // RandomLatitude(286292, 314453), RandomLongitude(742851, 824000)

        private double RandomLatitude(int min, int max )
        {
            Random random = new Random();
            return (double)random.Next(min, max) / 100000 + 41;
        }

        private double RandomLongitude(int min, int max)
        {
            Random random = new Random();
            return (double)random.Next(min, max) / 100000 + 174;
        }
    }
}