3.90 Ct. Cabochon Lapis from Afghanistan

This single, polished specimen from The Natural Gemstone Company is a 3.90 carat cushion shaped lapis lazuli, presented as a cabochon with dimensions of 11.14 by 9.13 by 4.26 millimeters. The gem is opaque, exhibiting a vivid blue saturation that is characteristic of high quality material. The cut is a traditional cabochon, chosen to display the stone body color and the internal mineral character rather than faceting for brilliance. The dome profile is balanced to maximize the visual depth of the blue field, while the overall proportions are appropriate for a range of jewelry applications including rings, pendants, and earrings.

Visually the lapis displays a deep ultramarine to intense royal blue, with even color distribution across the surface. Metallic inclusions consistent with pyrite are present as fine to moderate speckling, adding a natural golden contrast that enhances the overall appearance without interrupting the blue field. Minor lighter mineral matrix that may be calcite appears in places at a low level, but does not dominate the visual presentation. The polish is described as excellent, with a smooth, reflective surface on the dome that indicates careful lapidary work. The cabochon profile, coupled with the high quality finish, brings forward the vivid color intensity, while the opaque nature of the lapis renders color and mineral inclusions as the primary visual attractions.

From a gemological perspective this lapis is natural and untreated, originating from Afghanistan, a source with a long history of producing classic lapis material. The piece is identified as having received no enhancement, meaning the color and surface finish are natural and stable, aside from the cutting and polishing performed to present the stone. Lapis lazuli is primarily composed of the mineral lazurite, frequently accompanied by pyrite and calcite, and the specimen here conforms to that expected mineralogy. In terms of physical properties lapis typically registers between 5 and 5.5 on the Mohs hardness scale, which situates it below many common gem materials, and requires consideration when incorporating the stone into jewelry that will see frequent wear.

Given the material characteristics, recommended mounting and care are straightforward. For wearable pieces that will endure regular contact, such as rings, a protective bezel setting is advisable to shield the cabochon edge and to reduce the risk of abrasion or impact damage. For pendants or earrings where the stone is less exposed to knocks, open settings or prong styles that secure the cabochon from the back and sides will also present the color attractively. Cleaning is best accomplished with a soft cloth and mild soap with water, avoiding steam, ultrasonic cleaners, and aggressive chemical cleaners that can affect the surface or any natural fissures. This 3.90 carat cushion cabochon represents a classic example of Afghan lapis, suitable for collectors and designers seeking an untreated, vividly colored parcel of natural material, and is offered with the provenance and description provided by The Natural Gemstone Company.