0.62 Ct. Blue Sapphire from Ceylon (Sri Lanka)

One transparent 0.62 carat round blue sapphire, dimensions 5.11 x 5.12 x 3.04 mm, presents a compact and highly versatile option for bespoke jewellery. The stone is faceted with a mixed brilliant cut, combining pavilion facets optimized for depth and crown facets arranged for scintillation. Clarity is graded very very slightly included as evaluated at eye level, and the surface finish is noted as excellent polish, producing clean, crisp facet junctions and smooth reflective planes. The colour intensity is described as intense, yielding a vibrant, true blue that reflects both cool and warmer blue tones depending on light angle. The stone has been heat treated, a stable and standard enhancement widely accepted in the trade, and its documented origin is Ceylon Sri Lanka, a source known for producing sapphires with lively tonic blues and fine saturation.

The round shape and mixed brilliant architecture make this gem particularly predictable in optical performance, allowing a designer to anticipate light return and table brilliance when creating a setting. At just over five millimetres across and a shallow to medium depth of 3.04 mm, the proportions favour a bright, face up presentation with strong table reflection and a pleasing balance between sparkle and colour. The mixed cut contributes to a lively play of light, with the crown facets dispersing flashes and the pavilion facets providing depth to the centre. The very very slightly included clarity at eye level indicates inclusions are minimal and will not interfere with typical bezel or prong placements, which is important when the stone is viewed at arm length and in everyday wear situations.

From a custom design perspective this sapphire is exceptionally adaptable due to its classic round silhouette and compact size. As a solitaire for a delicate engagement or promise ring, it offers an elegant simplicity that sits comfortably on a single finger without overpowering the hand. When used as a primary centre with a halo of small accent stones, the intense colour and mixed brilliant cut allow the halo to amplify perceived size and presence, while maintaining a stable light pattern between centre and accents. For stud earrings or a small pendant the dimensions provide easy compatibility with standard mounting cups and collets, and the modest depth reduces the need for deep seatings that can hide colour. The round form also integrates smoothly as a side stone within multi stone arrangements, or as the focal point of a cluster design where shape uniformity simplifies lapidary planning.

Designers and clients will find practical advantages in setting choices for this gem, and The Natural Sapphire Company can advise on optimal approaches to showcase its attributes. A four prong setting will maximise face up colour and light, while a six prong option increases security for a centre in an active wear ring. A bezel setting will enhance durability and protect the girdle, and also offers a contemporary aesthetic that complements a compact diameter. For contrast, yellow gold settings warm the overall appearance and highlight the stone as a focal colour pop, white metals such as platinum or white gold emphasise purity of the blue and accentuate brilliance. Tension mounts and low profile rails are feasible given the stone proportions, provided the design accounts for the 3.04 mm depth to avoid undue stress on girdle margins. Heat treatment applied to the sapphire is stable under normal wear and routine jewellery services, and its Ceylon origin contributes a provenance aspect that many custom projects incorporate into design narratives.

For bespoke commissions The Natural Sapphire Company can provide lab grade documentation and guidance on setting tolerances to ensure the stone sits securely and presents optimally. The dimensions 5.11 x 5.12 x 3.04 mm, weight 0.62 carat, combined with the mixed brilliant cut and excellent polish, mean the stone can be set with confidence in common commercial settings or in a tailor made mounting. Care recommendations are straightforward, with gentle cleaning using warm soapy water and a soft brush, and periodic professional inspections advised for prong security and overall fit. Whether the design brief calls for a minimal solitaire, a halo enhanced centre, delicate drop earrings, or integration within a multi gem composition, this round Ceylon sapphire offers predictable optical behaviour, manageable dimensions for fabrication, and a colour and clarity profile well suited to refined custom work. For more detailed measurements, mounting recommendations, and to discuss design options The Natural Sapphire Company stands ready to assist with technical specifications and bespoke design consultation.