Page 1276 - Demo

1266Description GuideQR3039LSBT3.80LSBT 1/10ct.Gemstone weight Diamond weightGemstone ReferenceSTONE TREATMENT CODEBIRTHSTONE MONTHQG ABBREVIATIONAmethyst H February AMApatite NAquamarine H March AQBlue Topaz R December BTBlue Zircon HBrazilian Garnet N January GACitrine H November CIEmerald O May E/EMGarnet (Almandite) N January GAGreen Quartz (Green Amethyst*) Could also be called Mint Quartz R AG/GQGreen Tourmaline H May GTLab Created Alexandrite SYN JuneLab Created Blue Sapphire SYN September Cr.SALab Created Emerald SYN May Cr.EMLab Created Opal IMIT OctoberLab Created Ruby SYN July Cr.RULab Created Pink Sapphire SYN October Cr.PSLemon Quartz R LQLight Swiss Blue Topaz R December LSBTLondon Blue Topaz R BTMorganite R MGMozambique Garnet N January RGMt. St. Helens (Created) SYN MSMystic Fire Topaz C FTSTONE TREATMENT CODEBIRTHSTONEMONTHQGABBREVIATIONNeon Apatite NOpal N October OPPearl (Cultured Freshwater) B June PLPearl (Cultured Freshwater - Colors) DPeridot N August PEPink Quartz (Pink Amethyst*) H PQ/PAMPink Sapphire H October PSPink Spinel N SKPink Topaz C PZPink Tourmaline R October PTRhodolite Garnet N June RGRuby H July RUSapphire H September SASmoky Quartz R SQSwiss Blue Topaz R December BTSynthetic Ruby SYN JulySynthetic Blue Spinel SYNTanzanite H TZTsavorite N SVWhiskey Quartz R WQWhite Topaz N April WTYellow Sapphire H, U YS*Note: Green Amethyst and Pink Amethyst are Trade Names given by TV Shopping networks. They are technically not correct. Amethyst, by definition, is a Purple Quartz.BIRTHSTONE CHARTMONTH NAME ABBREVIATION COLORJanuary Garnet GA RedFebruary Amethyst AM PurpleMarch Aquamarine AQ Pale BlueApril Diamond AA/AAA/VS ColorlessMay Emerald EM GreenJune Alexandrite AL Purple / Blue / GreenJuly Ruby RU RedAugust Peridot PE Apple GreenSeptember Sapphire SA BlueOctober Pink Tourmaline PT PinkNovember Citrine CI YellowDecember Blue Zircon BZ Blue / GrayDIAMOND CARAT TOLERANCE RANGESDIAMOND RANGE FRACTION DIAMOND RANGE FRACTION0.001 - 0.004 Diamond accent .58 -.68 5/80.005 - 0.009 1/2 pt. .69 -.82 3/40.01 0.01 .83 -.94 7/80.02 0.02 .95 -1.11 1ct0.03 0.03 1.115 -1.14 1 1/8.04 -.06 1/20 1.145 -1.17 1 1/6.065 -.08 1/15 1.18 -1.22 1 1/5.085 -.11 1/10 1.23 -1.28 1 1/4.115 -.14 1/8 1.29 -1.36 1 1/3.145 -.17 1/6 1.37 -1.44 1 3/8.18 -.22 1/5 1.45 -1.57 1 1/2.23 -.28 1/4 1.58 -1.68 1 5/8.29 -.36 1/3 1.69 -1.82 1 3/4.37 -.44 3/8 1.83-1.94 1 7/8.45 -.57 1/2 1.95 -2.11 2ctGemstone ReferencTREATMENT BIRTHSTCheck out our Stones catalog or call our gemstone department at 1-800-354-9833 for all your gemstone needs