Diamonds and Diamond Grading1st Edition - November 24, 1982Latest editionAuthor: G. LenzenLanguage: EnglishPurchase optionsSorry, this title is not available for purchase in your country/region.Fall saleFall into wisdomUp to 30% off research resourcesShop the fall saleProduct detailsEdition: 1Latest editionPublished: January 1, 1983Language: Englishproduct