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Halo Blue Sapphire Ring 1.85 Ct., 18K Rose Gold

Production Time: from 21 to 35 Days
Rush service may be available upon request.
Sapphire Item ID:B9783
$4,255
Setting Item ID:JS1035
$2,626
Free shipping
$6,881
(Total price)
Metal
18K Rose Gold
Image
Ring size
6.00
Prongs (Center Stone)
Ball Prong
Side Stone Selection0.43 Ct.Tw.Total Carat Weight
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Optional Polymer Model
This is a representation of what a wax model looks like, any wax order will be customized to your order request.
We can send you a 3D
Wax Polymer Replica
Model of your Completed
Setting Design!
$95 - which may be applied to future purchase
 
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100% Natural Sapphires
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Product Details
Item ID:
B9783
Dimensions (MM):
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Length: 7.45
Width: 7.39
Height: 4.1
Weight:
1.85 Ct.
Color:
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Blue
Color intensity:
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Intense
Clarity:
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Very Slightly Included
Shape:
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Round
Cut:
Mixed Brilliant
Cutting style:
Faceted
Enhancements:
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Heat Treated
Origin:
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Ceylon (Sri Lanka)
Per carat price:
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$2,300
Product description

This sapphire is a precisely measured 1.85 carat round gem, with dimensions of 7.45 by 7.39 by 4.10 millimeters, presenting a near perfect circular outline and an overall depth that is approximately fifty five percent of the average diameter. The cutting style is a mixed brilliant cut, executed to combine the energetic return of a brilliant crown with a controlled pavilion geometry that preserves weight while maximizing light performance. The stone has an intense color intensity and a transparency that reads as transparent under direct examination. Clarity is graded as very slightly included evaluated at eye level, which in practice means minimal internal features that do not detract from visual performance to the naked eye, and an excellent polish that yields clean facet reflections and a bright surface finish. The piece is heat treated, a stable and standard enhancement for sapphires, and its origin is Ceylon Sri Lanka, a source known for vivid and lively blue material. This sapphire is offered through The Natural Sapphire Company with full disclosure of treatment and origin.

The mixed brilliant faceting on this round sapphire is the principal factor in its optical behavior. The cutter has balanced crown facet angles with a proportionate table plane to create controlled contrast and scintillation, while the pavilion facets have been adjusted to optimize return into the crown face and to deepen the perceived color without inducing darkness. The result is a dynamic interplay between broad flashes of color and tight scintillation that animate the stone as it is rotated. Facet junctions are crisp and consistent, and symmetry is precise enough that the round outline reads evenly under loupe and naked eye viewing. The relatively shallow pavilion compared to deeper, heavier cuts retains more weight but has been compensated for by subtle pavilion angling so that light is refracted back through the table and crown facets rather than lost through excessive leakage. Excellent polish across each facet ensures that internal reflections are clean and that surface light scatter is minimal, enhancing perceived luster and giving the stone a polished, gemological finish.

Color and clarity interact in this sapphire to produce its refined visual appeal. The hue is a pure to slightly violet biased blue, consistent with high quality Ceylon material, and the intense color intensity translates into a saturated yet lively appearance under both natural daylight and artificial lighting. Because corundum has a relatively high refractive index combined with a low dispersion, color in sapphire is conveyed through chroma and saturation more so than through fire, and this stone exemplifies that relationship. The transparency permits deep color saturation without the visual muddiness that can occur in heavily included material. Inclusions are described as very slightly included evaluated at eye level, which typically means fine needle inclusions or minute crystals that may be visible under close scrutiny but do not interrupt the overall color field or brilliance. The heat treatment has stabilized the color and in many cases has reduced the visibility of silk or rutile inclusions, making the tone more even and the eye clarity more appreciable. From a gemological standpoint the combination of intense color, high transparency, and minimal inclusions yields an optical balance that reads as visually clean and chromatically rich.

From the perspective of setting, wearability, and long term performance this round mixed brilliant sapphire is exceptionally versatile. The near round outline and its standard millimeter dimensions are readily accommodated by classic four or six prong settings, low profile bezels, and pavé halo designs, and its thickness combined with the mixed cut provides good table security when set in precision prongs. The excellent polish and facet symmetry mean that the stone will exhibit consistent scintillation and color balance when mounted, and the fine clarity minimizes the risk that inclusions will concentrate light leakage at specific angles. Corundum hardness gives it considerable abrasion resistance and makes it suitable for daily wear in rings and other jewelry, while the permanent nature of heat treatment ensures the color stability of the piece under normal conditions. When viewed in all lighting conditions the sapphire demonstrates balanced return from crown and pavilion, even color distribution across the table, and lively internal reflections that accentuate both brilliance and saturation. The Natural Sapphire Company presents this gem as an example of how careful cutting, responsible enhancement, and quality source material from Ceylon Sri Lanka coalesce to produce a sapphire whose aesthetic is simultaneously technical and emotional.

In summary this 1.85 carat round mixed brilliant sapphire combines precise measurements, considered faceting, and strong material quality to create a gem that appears flawless in practical viewing and that retains exceptional beauty from every angle. The interplay of intense color intensity, very slight inclusions evaluated at eye level, and an excellent polish results in a stone that offers both the depth and the sparkle buyers seek, while the mixed brilliant cut provides a controlled brilliance that complements the vivid blue body color. Its proportions and finish are engineered to maximize light return and to present a uniform color field in mounted applications. For buyers who value technical refinement and artisanal cutting along with documented treatment and origin, this stone represents a balanced and durable option. The Natural Sapphire Company is available to provide additional images, magnified reports, and setting recommendations to ensure the stone performs optimally in the chosen jewelry design.


This custom made ring setting is designed for the connoisseur who understands that true luxury is both seen and felt, a statement of refinement that quietly announces exceptional taste, Custom made ring setting available in 14K rose gold, 18K rose gold, 14K white gold, 18K white gold, 14K yellow gold, 18K yellow gold, Platinum 950, silver, 14K white and yellow, 18K white and yellow, Center stone options include sapphire, ruby, emerald, or a gemstone of your choice, The silhouette is deliberately elegant, a poised ring that elevates whatever center gem you select, transforming a single stone into a halo of attention, The polished band narrows with a cultured restraint to emphasize the head, while the setting itself reads as feather light from a distance, promising delicacy, and up close revealing the thoughtful engineering that gives it uncommonly poised strength.

The design vocabulary of this setting marries the airy finesse of a halo motif with a truly supportive structure beneath, The head is articulated with a secure crown of prongs that rise like the columns of a fine jewel box, each prong precisely positioned to cradle a center sapphire, ruby, emerald, or custom gemstone with minimal metal intrusion and maximal light entry, Surrounding the center is a ring of round side stones that catch and return light continuously, Their round shape ensures classic scintillation, while the careful spacing and low profile of each stone keeps the overall look refined rather than ornate, Beneath the halo the gallery is engineered with subtle bridges and a gentle platform that distributes pressure across the head, This hidden architecture is the secret to the ring feeling delicate on the hand, yet standing up to daily wear with the reliability of a well built treasure, The shoulders are thoughtfully reinforced where they meet the head, which prevents lateral stress and reduces the tendency for the setting to wobble, As a result the ring sits like a poised jewel box on the hand, light to look at, firm to touch.

When compared to other popular settings the difference becomes a lesson in balance, A bezel setting offers exceptional protection but can mute the stone and read as heavier on the finger, A tension setting is strikingly modern yet relies on precise spring compression to hold a gemstone which can be less reassuring for everyday wear, Pavé styles glitter lavishly but often at the expense of structural heft because countless tiny beads demand delicate craftsmanship that may not withstand rough treatment, A solitaire can be bold in its simplicity but sometimes lacks the visual breadth that a halo provides, In contrast this custom halo setting achieves the best of both worlds, it preserves the center stone as the protagonist with a minimal prong profile that maximizes fire and brilliance, while the surrounding round side stones broaden presence without adding bulk, The reinforced gallery and shoulders mean you do not have to choose between visual grace and practical resilience, This is a ring that carries itself with the ease of a jewel meant to be worn and admired day after day.

Selecting metals and finishes allows you to align the piece with personal style and lifestyle, 18K gold and Platinum 950 offer a richer color and a denser alloy that resists scratches and holds prongs more securely over time, 14K options provide admirable durability with a brighter endurance against knocks, Silver offers an elegant entry point with luminous appeal for those who prefer a softer investment, The mixed metal options of 14K white and yellow or 18K white and yellow present a modern, layered look that can harmonize the warmth of yellow or rose with the cool luster of white metal, This setting is a craft statement, created to frame rare stones and to last as a tangible marker of achievement, Owning this ring is not merely about possession, it is about claiming a standard of beauty that is engineered, considered, and unmistakably personal, For those who desire a setting that reads as delicate in profile yet steadfast in construction, this custom ring is the perfect choice.

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Our Packaging
Beauty is in the details
Our packaging, reports, and documentation are crafted to be refined, concise, and trustworthy. With our reputation as our greatest asset, we never cut corners. Explore our detailed reports and premium packaging for every sapphire.

Our custom zinc alloy ring boxes are designed to impress as much as our sapphire rings and jewelry. Each box weighs nearly a pound, adding a touch of luxury to your experience.
Zinc-alloy ring box - opened
Our customers often comment about our stunning, hand made, presentation boxes and reporting documents. Large zinc-alloy boxes are included at no extra cost for jewelry items over $5000.
Zinc-alloy ring box - closed
Presentation matters. We take extra special care to present our items professionally. Our custom hand-made zinc-alloy ring boxes are heavy weight. At almost 1 pound each they are extremely impressive and unique.
Smaller Zinc-allow ring box
For Jewelry Purchases from $500-$5000 in value we include our petit zinc alloy box.
Long, dark brown hinged jewelry box showcasing a line bracelet gently secured and beautifully displayed
For line bracelets over $500, we include a high quality, hinged jewelry box. Pictured is one of the beautiful styles that we may use.
Dark brown jewelry box showcasing two hanging earings upon opening
For hanging earrings over $500, we include a high quality, hinged jewelry box. Pictured is one of the beautiful styles that we may use.
Petit box w/ luxurious white pouch showcasing a piece of jewelry
Jewelry items under $500 will ship in a signature pouch and box.
Zinc-alloy sapphire box - closed with view of stone through window
Our hand-made zinc sapphire boxes are the finest in the industry and are included for all sapphires over $2000.
Zinc-alloy sapphire box - open
A well presented sapphire makes a difference.
Wooden display box
For sapphire purchases between $500 and $2000 we ship a high quality black display box which shows the sapphire professionally. Stones under $500 will ship in a secure plastic pouch.
Document folder nicely wrapped
Each document folder is individually gift wrapped.
Assortment of reports and certification documents on table
Our extensive gemological reports cover every possible detail of your item. Professionally made with care to explain what gemological terms mean, our reports offer an education in fine sapphires and jewelry reporting.
Open folder displaying documents
Inside you will find well organized reporting to include appraisal, identification and gem faceting grade reports. Special care literature on how to clean your sapphire or jewelry is included as well.
Jewelry cleaning solution enlarged
Jewelry cleaner included with items over $2,000. * Unfortunately for international shipments we can not include liquids.
Sample identification report dust cover
Sample identification report dust cover [front].
Sample identification report
Sample identification report
Sample identification report reference page
Sample identification report dust cover [inside back].
Sample 3d scan report dust cover
Sample 3D scan report dust cover [front].
Sample 3D scan report.
Sample 3D scan report.
Sample 3D scan report reference page
Sample 3D scan report dust cover [inside back].
Zinc-alloy ring box - opened
Zinc-alloy ring box - closed
Smaller Zinc-allow ring box
Long, dark brown hinged jewelry box showcasing a line bracelet gently secured and beautifully displayed
Dark brown jewelry box showcasing two hanging earings upon opening
Petit box w/ luxurious white pouch showcasing a piece of jewelry
Zinc-alloy sapphire box - closed with view of stone through window
Zinc-alloy sapphire box - open
Wooden display box
Document folder nicely wrapped
Assortment of reports and certification documents on table
Open folder displaying documents
Jewelry cleaning solution enlarged
Sample identification report dust cover
Sample identification report
Sample identification report reference page
Sample 3d scan report dust cover
Sample 3D scan report.
Sample 3D scan report reference page
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