1.85 Ct.Tw.Total Carat Weight Cabochon Lapis Pair from Afghanistan

This matched pair of natural lapis lazuli offered by The Natural Gemstone Company presents a technical package that will satisfy discerning lapidaries and experienced jewelers, each stone weighing 0.90 carats and 0.95 carats respectively, round shape, cabochon cut, opaque body, vivid color intensity, and excellent polish. The measured dimensions are 6.17 x 6.24 x 3.26 mm for the 0.90 carat specimen, and 6.10 x 6.11 x 3.43 mm for the 0.95 carat specimen. These metrics indicate very close diameter matching and a slight variance in dome height that contributes to a visually balanced pairing when set together. Enhancement status is none, confirming that color and surface condition are entirely natural. Origin is Afghanistan, a provenance known for producing deep ultramarine material with a stable, dense matrix. For technical buyers the combination of precise sizing, untreated color saturation, and a superior surface finish defines these cabochons as production ready for high quality matched jewelry.

From a lapidary perspective the cabochon proportions are optimized for color and presence, with dome height to diameter ratios that fall within the medium to medium high range for round cabochons, yielding a strong visual plane of color without introducing excessive bulk. The preform and final shaping were executed with close attention to symmetry, producing round perimeters within a few hundredths of a millimeter and a consistent girdle profile around each stone. Surface refinement through progressive abrasive grits produced a mirror like finish that accentuates the lapis blue while minimizing visible tool marks and feathering. Final polishing was executed to enhance luster and to stabilize the eye appeal under varied lighting, using traditional polishing compounds suitable for relatively soft, calciferous silicate matrices. There are no surface reaching fractures or artificial coatings, and the polish contributes to tactile smoothness that supports clean bezel seating and secure adhesive or mechanical settings.

Optical character and internal features are central to the technical evaluation of lapis lazuli, and this pair exhibits the deep azure to ultramarine hue that defines premium Afghan material, accompanied by minimal light colored calcite veining and restrained metallic speckling consistent with finely distributed pyrite, which provides a crisp, natural contrast without dominating the visual field. The opacity of the material eliminates concerns about windowing when used in open back settings, and the vivid color intensity reduces the need for color enhancing treatments, which are absent in this material. Under raking light the cabochon domes present a uniform color plane with localized variance where natural matrix is present, providing character while maintaining overall color consistency between the two stones. The natural state and geographic origin are relevant to collectors and connoisseurs, as Afghan lapis has historically yielded some of the most saturated and stable blue material used in fine antiquity and contemporary jewelry.

The matching process for this pair was deliberate, with selection criteria that prioritize color tonal match, weight balance, and dimensional congruence, resulting in a pair separated by only 0.05 carats and diameter tolerances that are visually negligible in finished settings. Orientation matching was applied to align matrix patterns in a complementary fashion, a technique that supports symmetrical presentation in earrings or cufflinks, and preserves the natural character of each stone while ensuring coherence as a matched set. Recommended settings include low profile bezels or half bezels to protect the cabochon edge, with 18k yellow gold suggested to warm and enrich the blue, and white gold or platinum suggested for a cooler, modern aesthetic, with sterling silver also providing a historically appropriate and economical contrast. These stones are ideal for precision stud earrings, matched accents in multi stone jewelry, or custom work where untreated provenance and meticulous lapidary craftsmanship are required. For further technical inquiries or to request additional high resolution imagery and orientation diagrams, contact The Natural Gemstone Company.