diff --git a/JewelryStoreListImplement/Implements/JewelStorage.cs b/JewelryStoreListImplement/Implements/JewelStorage.cs
index 3d6c331..e09b4ab 100644
--- a/JewelryStoreListImplement/Implements/JewelStorage.cs
+++ b/JewelryStoreListImplement/Implements/JewelStorage.cs
@@ -2,6 +2,7 @@
 using JewelryStoreContracts.SearchModels;
 using JewelryStoreContracts.StoragesContracts;
 using JewelryStoreContracts.ViewModels;
+using JewelryStoreListImplement.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -12,34 +13,100 @@ namespace JewelryStoreListImplement.Implements
 {
     public class JewelStorage : IJewelStorage // TODO реализовать интерфейс
     {
+        private readonly DataListSingleton _source;
+        public JewelStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
         public JewelViewModel? Delete(JewelBindingModel model)
         {
-            throw new NotImplementedException();
+            for (int i = 0; i < _source.Jewels.Count; ++i)
+            {
+                if (_source.Jewels[i].Id == model.Id)
+                {
+                    var element = _source.Jewels[i];
+                    _source.Jewels.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
         }
 
         public JewelViewModel? GetElement(JewelSearchModel model)
         {
-            throw new NotImplementedException();
+            if (string.IsNullOrEmpty(model.JewelName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            foreach (var jewel in _source.Jewels)
+            {
+                if ((!string.IsNullOrEmpty(model.JewelName) &&
+                jewel.JewelName == model.JewelName) ||
+                (model.Id.HasValue && jewel.Id == model.Id))
+                {
+                    return jewel.GetViewModel;
+                }
+            }
+            return null;
         }
 
         public List<JewelViewModel> GetFilteredList(JewelSearchModel model)
         {
-            throw new NotImplementedException();
+            var result = new List<JewelViewModel>();
+            if (string.IsNullOrEmpty(model.JewelName))
+            {
+                return result;
+            }
+            foreach (var jewel in _source.Jewels)
+            {
+                if (jewel.JewelName.Contains(model.JewelName))
+                {
+                    result.Add(jewel.GetViewModel);
+                }
+            }
+            return result;
         }
 
         public List<JewelViewModel> GetFullList()
         {
-            throw new NotImplementedException();
+            var result = new List<JewelViewModel>();
+            foreach (var jewel in _source.Jewels)
+            {
+                result.Add(jewel.GetViewModel);
+            }
+            return result;
         }
 
         public JewelViewModel? Insert(JewelBindingModel model)
         {
-            throw new NotImplementedException();
+            model.Id = 1;
+            foreach (var jewel in _source.Jewels)
+            {
+                if (model.Id <= jewel.Id)
+                {
+                    model.Id = jewel.Id + 1;
+                }
+            }
+            var newJewel = Jewel.Create(model);
+            if (newJewel == null)
+            {
+                return null;
+            }
+            _source.Jewels.Add(newJewel);
+            return newJewel.GetViewModel;
         }
 
         public JewelViewModel? Update(JewelBindingModel model)
         {
-            throw new NotImplementedException();
+            foreach (var jewel in _source.Jewels)
+            {
+                if (jewel.Id == model.Id)
+                {
+                    jewel.Update(model);
+                    return jewel.GetViewModel;
+                }
+            }
+            return null;
         }
     }
 }