| Acknowledgments |
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8 | (1) |
| Preface |
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9 | (2) |
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Basic Facts about Diamonds |
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11 | (8) |
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11 | (1) |
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11 | (1) |
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Where are Diamonds Found? |
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12 | (1) |
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A Closer Look at Diamond's Remarkable Properties |
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12 | (4) |
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What Type of Magnification is Used to View Diamonds? |
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16 | (1) |
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Which Type of Lighting is Best for Viewing Diamonds? |
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16 | (2) |
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Other Tips on Viewing Diamonds |
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18 | (1) |
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19 | (18) |
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Why the 4 C's is No Longer an Adequate Pricing System |
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19 | (1) |
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20 | (17) |
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20 | (2) |
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22 | (1) |
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23 | (1) |
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Cutting Style & Stone Shape |
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24 | (2) |
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26 | (5) |
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31 | (4) |
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35 | (2) |
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Judging the Cut of Fancy Shapes |
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37 | (10) |
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38 | (1) |
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Bow Ties and Other Dark Patterns |
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39 | (3) |
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42 | (2) |
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44 | (1) |
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44 | (3) |
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Judging Cut (Round Brilliants) |
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47 | (14) |
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47 | (3) |
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50 | (2) |
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52 | (1) |
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53 | (3) |
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56 | (1) |
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56 | (1) |
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56 | (1) |
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57 | (1) |
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58 | (1) |
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58 | (1) |
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GIA & AGS Cut Grading Factors Compared |
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59 | (2) |
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Judging Light Performance |
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61 | (14) |
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Methods for Judging Light Performance |
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62 | (2) |
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Gem Labs that Assess Light Performance |
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64 | (6) |
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Tips on Evaluating Light Performance Visually |
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70 | (5) |
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75 | (12) |
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75 | (3) |
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78 | (9) |
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87 | (6) |
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88 | (1) |
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What Causes Diamond Fluorescence? |
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89 | (1) |
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Is Ultraviolet Lighting the Same as Fluorescent Lighting? |
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89 | (1) |
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Are Fluorescent Diamonds Undesirable? |
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90 | (1) |
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My Advice Regarding Diamond Fluorescence |
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91 | (2) |
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93 | (10) |
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What are Synthetic Diamonds? |
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93 | (1) |
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How Does Growing Diamonds Differ from Culturing Pearls? |
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93 | (1) |
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Detecting Synthetic Diamonds |
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94 | (6) |
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100 | (3) |
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103 | (14) |
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Methods for Changing Color |
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104 | (7) |
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104 | (1) |
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104 | (4) |
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108 | (1) |
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High Pressure High Temperature (HPHT) Treatment |
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108 | (3) |
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High Temperature Heat Treatment |
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111 | (1) |
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Methods for Improving Clarity |
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111 | (6) |
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111 | (2) |
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113 | (4) |
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Judging Fancy Colored Diamonds |
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117 | (12) |
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Evaluating Fancy Colored Diamonds |
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122 | (3) |
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Fancy Colored Diamond Rarity |
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125 | (4) |
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129 | (20) |
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The History of Diamond Cuts |
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129 | (8) |
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137 | (1) |
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Period Jewelry (European & American) |
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138 | (1) |
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139 | (10) |
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139 | (1) |
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140 | (2) |
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Arts & Crafts Movement (1890--1910) |
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142 | (1) |
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142 | (1) |
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143 | (2) |
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145 | (3) |
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148 | (1) |
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149 | (6) |
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How do Cutters Modify Diamond Color? |
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152 | (2) |
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Getting your Diamond(s) Recut |
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154 | (1) |
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155 | (8) |
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163 | (8) |
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166 | (1) |
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How Reproducible are Lab Grades? |
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167 | (1) |
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Addresses of some Diamond Grading Labs |
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167 | (4) |
| Glossary |
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171 | (6) |
| Chemical, Physical & Optical Characteristics of Diamonds |
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177 | (2) |
| Bibliography |
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179 | (4) |
| Index |
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183 | |
