1.63 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This transparent blue sapphire weighs 1.63 carats and is fashioned in a classical oval outline, with precise dimensions of 7.14 by 5.77 by 4.46 millimeters. The pavilion and crown have been executed in a mixed brilliant cut, combining the scintillating fire of brilliant facets with the traditional proportions of an oval. Color is a defining attribute, and this stone displays intense saturation across its table and girdle, yielding a rich, vivid blue that remains lively under varied lighting. Clarity is graded as very slightly included, evaluated at eye level, with inclusions that do not compromise transparency or visual performance. Surface finish is an excellent polish, producing crisp facet junctions and clean light return. The stone has been heat treated, a stable and widely accepted enhancement that has been applied to optimize color and clarity, and it traces to Ceylon in Sri Lanka, a source renowned for sapphires with bright, velvety tones and even color distribution. These technical characteristics define the gem as a high quality natural sapphire that balances beauty and practicality for fine jewelry.

The oval shape and the specific size of this sapphire make it particularly well suited for custom jewelry design where proportionality and versatility are priorities. At 7.14 by 5.77 millimeters the stone occupies a comfortable range for solitaire rings, allowing for a pleasing finger presence without overwhelming the hand, and its length to width ratio preserves the classic oval silhouette, enabling both east west and traditional north south settings. In a three stone composition the sapphire can serve as a dominant center, or it can be paired with tapered side stones that accentuate its length. For pendants the dimensions provide an elegant drop that reads well at a single glance, and the mixed brilliant cut guarantees lively scintillation for both daytime and evening wear. The excellent polish and transparent clarity mean that bezel, prong, or tension settings will all showcase the stone’s internal light performance, and the intense color intensity remains expressive even when framed by warm or cool metal tones.

When planning a bespoke piece the stone’s attributes guide sensible design decisions while leaving room for creative interpretation. The heat treatment history supports durable everyday wear, and recommended metals include platinum or 18 karat gold to complement the sapphire’s saturation and to provide secure mounting for the oval form. For rings a four or six prong head with rounded or V shaped prongs will protect the girdle and preserve the oval silhouette, while a low profile setting can balance presence with practical comfort. Accent diamonds or colored gemstones may be selected to contrast or harmonize with the sapphire, with colorless side stones offering brightness and warm toned gems producing a richer overall palette. Proportions suggest that the stone will work well with shoulder details or a tapered shank without appearing crowded, and the mixed brilliant faceting enhances the visual spread when viewed face up. The Natural Sapphire Company can provide detailed CAD renders and mounting options, and guidelines for care include routine gentle cleaning, avoidance of harsh chemicals, and periodic professional inspection of the setting, ensuring that the technical excellence of this 1.63 carat Ceylon oval sapphire translates into a lasting bespoke jewel.