Vivid Purple Magenta Sapphire - Laboratory Grown - 4.04ct

• Gemstone: Laboratory-Grown Sapphire — Synthetic Corundum
• Weight: 3.67 ct
• Quantity: 1 stone
• Shape: Cut-Corner Rectangular
• Cut: Pixel Precision Cut
• Dimensions: 10.35 × 6.72 × 5.00 mm
• Length-to-Width Ratio: 1.54:1
• Color: Vivid Purple-Magenta
• Secondary Color Character: Violet / Fuchsia Reflections
• Tone: Medium-Dark
• Saturation: Vivid
• Clarity: IF — Internally Flawless, as recorded in the inventory specification
• Transparency: Transparent
• Fluorescence: Strong Red under UV
• Material: Synthetic Corundum
• Growth Method: Laboratory-grown; inventory record references Flame Fusion / Czochralski
• Geographic Origin: Not applicable — laboratory-grown
• Treatment: Not applicable as a natural gemstone treatment; laboratory-grown synthetic corundum
• Hardness: Mohs 9
• Cutting: Hand-executed precision cutting

The gemstone presents a vivid purple magenta body color with a medium-dark tone and strong saturation. Subtle violet and fuchsia reflections appear as the stone moves relative to the light source.

Color is distributed consistently through the visible body of the gemstone rather than concentrating primarily at the edges or pavilion. Under ultraviolet illumination, the stone displays strong red fluorescence, consistent with chromium bearing synthetic corundum.

The pixel facet arrangement produces an optical character distinct from conventional brilliant or step cuts. Rather than relying on a single broad central reflection, the facet grid divides the returning light into a structured field of smaller reflections, reinforcing the gemstone's architectural appearance.

The stone is recorded as Internally Flawless (IF) in the inventory specification. Directional macro inspection shows exceptional transparency, with no visible inclusions, internal fractures, or obvious growth structures under the available examination conditions.

Its defining feature is the precision pixel cut: a rectangular cut-corner geometry incorporating a deliberate grid-like arrangement across the crown and pavilion. The facet architecture is executed with sharp girdle definition, symmetrical corners, and closely aligned meet points.

At 10.35 × 6.72 × 5.00 mm, the resulting 1.54:1 proportion gives the stone a long architectural silhouette while its 5.00 mm depth maintains a relatively restrained profile.

The cut is the principal distinction of this gemstone. It represents a transformation of laboratory-created material through deliberate human design, precision faceting, and extended hand-finishing rather than a conventional commercial cutting pattern.

This gemstone is laboratory-grown synthetic corundum rather than naturally mined sapphire. Accordingly, natural-stone treatment terminology such as heat treatment, diffusion, or fracture filling is not applicable in the conventional sense.

The inventory record identifies the material as laboratory grown and references Czochralski growth methods. The available visual and UV observations are consistent with synthetic chromium bearing corundum, but fluorescence alone cannot independently establish the specific growth method.

The stone's Mohs hardness of 9 provides excellent resistance to ordinary scratching. As with natural sapphire, however, hardness should not be confused with complete resistance to damage: the cut corners and exposed girdle edges should be appropriately protected in finished jewelry, particularly in rings subjected to repeated impact.

The stone is recorded as laboratory-grown using the Czochralski method. This should be understood as the supplied inventory designation rather than independently verified growth method identification.

Laboratory grown corundum offers the optical and physical properties of corundum without the geological rarity associated with natural sapphire. Its value is principally determined by color, cut quality, size, clarity, manufacturing consistency, and the intended jewelry application.

The significance of this gemstone lies in the relationship between material, geometry, and optical response.

Laboratory-grown sapphire makes it possible to work with substantial volumes of clean corundum without the geological scarcity associated with natural sapphire. Here, the value is instead concentrated in the finished object: vivid color, exceptional clarity, unusual proportions, and a specialized facet architecture requiring deliberate cutting and polishing.

The pixel cut gives the gemstone a distinctly contemporary character. Its ordered grid recalls architectural drawing, digital geometry, and modular construction while remaining entirely dependent on the physical behavior of light within a faceted gemstone.

It is particularly suited to a collector interested in unusual cutting, contemporary gemstone design, and the boundary between lapidary craft and architectural form.

The laboratory grown identity and stated growth method are based on the supplied inventory record. Independent gemological examination may be arranged if formal verification is required for resale or documentation.

Every stone offered by the House is selected for more than nominal rarity. Color, proportion, clarity, cutting, material integrity, and the way a gemstone responds to light are considered together.

At Dante Bianco, a gemstone is not simply a measure of carat weight or a line on an inventory sheet. It is a material with its own optical character, physical structure, and potential within a considered design. Each stone is chosen for the qualities that make it worthy of attention and for the possibilities it presents to the collector who recognizes them.