Providing investigation and background screening of prospective customers and employees to determine credit worthiness and trustworthiness; business consulting on security measures to minimize losses; investigation services related to insurance claims; private investigations to facilitate legal recourse against participants in transactions who cause losses, all in the field of jewelry, precious and semi-precious gems and gemstones, rough and cut gem-quality diamonds and diamond powder, jewelry scrap, dust, or ash, watches, engravings, crystal, glass sculptures, commemorative memorabilia, museum quality fine art and high-value machinery and tools common to the gem and jewelry trade