| No. | Item | Definition |
|---|---|---|
| 1. | accent stone | small supporting gemstone |
| 2. | adularescence | glowing effect in moonstone |
| 3. | agate | banded chalcedony gemstone |
| 4. | alloy | metal mixture |
| 5. | amethyst | purple quartz gemstone |
| 6. | aquamarine | blue-green beryl gemstone |
| 7. | asscher cut | square step-cut gemstone |
| 8. | asterism | star-like optical effect |
| 9. | baguette | small rectangular step-cut stone |
| 10. | bangle | rigid bracelet |
| 11. | baroque pearl | irregularly shaped pearl |
| 12. | bezel | metal rim holding a stone |
| 13. | blemish | surface flaw on gemstone |
| 14. | bracelet | ornament worn on wrist |
| 15. | brilliance | white light return |
| 16. | brooch | decorative pin |
| 17. | cabochon | polished unfaceted gemstone |
| 18. | carat | gem weight unit |
| 19. | chain | linked metal strand |
| 20. | channel setting | stones set between metal walls |
| 21. | choker | close-fitting neck ornament |
| 22. | clasp | fastener on jewelry |
| 23. | collet | metal collar around gemstone |
| 24. | crown | upper part of a cut gem |
| 25. | culet | bottom point of a gem |
| 26. | diamond | hard precious gemstone |
| 27. | durability | resistance to wear and damage |
| 28. | earring | ear ornament |
| 29. | earwire | wire hook for earring |
| 30. | emerald cut | rectangular step-cut gemstone |
| 31. | engraving | cut decorative lines into metal |
| 32. | facet | flat polished gem surface |
| 33. | filigree | delicate ornamental metalwork |
| 34. | fire | colored flashes from a gem |
| 35. | flex shaft | handheld rotary tool system |
| 36. | flush setting | stone set level with metal |
| 37. | flux | compound aiding solder flow |
| 38. | fracture | crack or break in stone |
| 39. | freshwater pearl | pearl from freshwater mollusk |
| 40. | gallery | decorative support under setting |
| 41. | garnet | group of silicate gemstones |
| 42. | gemstone | cut and polished precious stone |
| 43. | girdle | widest edge of a gem |
| 44. | granulation | decoration with tiny metal spheres |
| 45. | halo | small stones around center |
| 46. | hardness | resistance to scratching |
| 47. | head | top part holding gemstone |
| 48. | inclusion | internal feature in gemstone |
| 49. | jade | ornamental green stone |
| 50. | jump ring | small circular connector ring |
| 51. | karat | gold purity measure |
| 52. | lobster clasp | spring-loaded jewelry clasp |
| 53. | locket | pendant with small compartment |
| 54. | lost-wax | casting process using wax |
| 55. | loupe | small magnifying lens |
| 56. | luster | surface shine quality |
| 57. | mandrel | rod for sizing rings |
| 58. | marquise | pointed oval gemstone shape |
| 59. | melee | small faceted gemstones |
| 60. | mold | hollow form for casting |
| 61. | moonstone | feldspar gemstone with sheen |
| 62. | mother-of-pearl | iridescent shell lining |
| 63. | necklace | ornament worn around neck |
| 64. | onyx | banded black chalcedony |
| 65. | opal | gem with shifting colors |
| 66. | oval cut | oval-shaped gemstone cut |
| 67. | pavé | surface set with tiny stones |
| 68. | pavilion | lower part of a cut gem |
| 69. | pear cut | teardrop-shaped gemstone cut |
| 70. | pearl | lustrous organic gem |
| 71. | pendant | hanging jewelry ornament |
| 72. | peridot | green olivine gemstone |
| 73. | princess cut | square brilliant gemstone cut |
| 74. | prong | metal claw securing a gem |
| 75. | quench | cool quickly after heating |
| 76. | ring | circular finger ornament |
| 77. | rivet | small metal fastening pin |
| 78. | rolling mill | machine flattening metal |
| 79. | rose cut | flat-backed faceted gemstone |
| 80. | round cut | circular gemstone cut |
| 81. | ruby | red corundum gemstone |
| 82. | sapphire | corundum gemstone, often blue |
| 83. | sawframe | frame holding jeweler’s saw |
| 84. | scintillation | sparkle from movement |
| 85. | setting | how a stone is mounted |
| 86. | shank | band portion of a ring |
| 87. | shoulder | ring area beside head |
| 88. | solitaire | single prominent gemstone design |
| 89. | spinel | magnesium aluminum oxide gemstone |
| 90. | table | top flat facet |
| 91. | tension setting | stone held by pressure |
| 92. | topaz | silicate gemstone |
| 93. | torch | tool producing flame |
| 94. | tourmaline | boron silicate gemstone |
| 95. | turquoise | blue-green opaque gemstone |
| 96. | vermeil | gold over sterling silver |
| 97. | wax model | prototype used in casting |
| 98. | white gold | Gold alloy with pale color |
| 99. | wire gauge | Thickness measurement for wire |
| 100. | zircon | natural gemstone mineral |