Solitaire Bi Color Ametrine Ring 4.36 Ct., Silver

This ring centers a 4.36 carat cushion shape bi color ametrine, dimensions 11.45 x 9.42 x 6.56 mm, cut to a mixed brilliant design that combines precise brilliant facet geometry with controlled step facet planes to optimize both fire and color separation. The term mixed brilliant in this specimen refers to a crown and table arrangement that favors small to medium sized triangular and kite facets to break light into spectral flashes, while the pavilion facets are arranged to preserve directional light return and to emphasize the ametrine s natural dichroic zoning. The stone reads as two complementary tones across its table, with purple amethyst and golden citrine regions presented as a soft diagonal interface, medium color saturation that is vivid without overpowering, and an excellent polish that produces crisp facet junctions and sharp windowless reflections. Clarity has been evaluated as very very slightly included evaluated at eye level, indicating that inclusions are minimal and do not interrupt the overall transparency or light transmission, and the Brazilian origin is consistent with the clean, well formed crystal habit and the distinct, balanced color zoning typical of that source.

The setting architecture has been designed to showcase the gem s optical behavior, using silver as the full metal environment to provide high reflectivity and a neutral white background that enhances both the purple and the golden zones. The stone is held by four corner prongs positioned to follow the cushion silhouette, these prongs are slender where they meet the crown girdle to minimize metal obstruction of the table, and robust where they transfer load into the shoulder to ensure long term security. The gallery is an open basket style with delicate structural braces that support the girdle while leaving the pavilion exposed to incoming light from below, a feature that materially increases scintillation and the perception of depth. Cathedral style shoulders lift the girdle above the finger plane, creating an air gap that allows side light to enter the pavilion facets, and the subtle tapering of the shoulders toward the shank concentrates reflected highlights toward the crown, intentionally directing attention to the bi color interface.

The workmanship reflects a focus on facet to metal relationships, every junction between stone and metal calibrated to preserve sight lines and maximize optical return. The silver band is fully finished with a consistent high polish that complements the excellent polish on the ametrine, and the inner comfort curve has been executed to professional standards so that the ring sits balanced and stable on the hand. Prong seats have been burnished to the girdle so that the stone is mechanically secure without excess metal masking the crown outline, and the open under gallery is shaped to reduce trapped material while permitting cleaning access, an important practical detail for maintaining brilliance over time. For clients who appreciate technical gemology and precise setting techniques, The Natural Gemstone Company presents this piece as an example of how cut selection and setting engineering can work together to amplify the unique dichroism of ametrine, a jewelry solution that emphasizes controlled light return, clean color separation, and artisan level finishing.