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Solitaire Bi Color Sapphire Ring 5.73 Ct., 18K White Gold

Production Time: from 21 to 28 Days
Rush service may be available upon request.
Design ID: 205721
Sapphire Item ID:S10369
$12,176
Setting Item ID:JS648
$1,874
Free shipping
$14,050
(Total price)
Metal
18K White Gold
Ring size
6.00
Prongs (Center Stone)
Ball Prong
Add engraving (Optional)
Start with a 3D Printed Model
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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Quality, Value & Heart
100% Natural Sapphires
Free Shipping - Worldwide
14 Day No Hassle Return Policy
Supports Local Charities
Product Details
Item ID:
S10369
Dimensions (MM):
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Length: 10.05
Width: 8.35
Height: 6.67
Weight:
5.73 Ct.
Color:
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Bi Color
Color intensity:
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Intense
Clarity:
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Very Slightly Included
Shape:
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Radiant
Cut:
Radiant Cut
Cutting style:
Faceted
Enhancements:
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Heat Treated
Origin:
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Montana
Per carat price:
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$2,125
Product description

There are certain gemstones that carry with them the weight of time, and certain settings that speak quietly of promises meant to endure. This radiant bi color sapphire ring, offered by The Natural Sapphire Company, is one of those rare treasures. Its presence is at once bold and restrained, a conversation between history and the present moment. For centuries, sapphires have symbolized fidelity, protection, and divine favor, worn by monarchs and lovers alike as tokens of steadfast devotion. This ring translates that ancient symbolism into a form suited to modern life, using a classic silhouette and a superior platinum setting to create a piece that feels both heirloom and entirely personal. When you choose this ring, you are choosing more than a jewel. You are choosing a focal point for a lifetime of stories, a compact legacy that will reflect light and memory through every day you share.

At the heart of this piece is a transparent bi color sapphire weighing 5.73 carats, cut in a radiant shape that harmonizes step cut geometry with brilliant cut sparkle. The stone measures 10.05 by 8.35 by 6.67 millimeters, and its radiant cut has been executed to an exacting standard, producing a crisp interplay of light across each facet. Evaluated at eye level, the clarity grade is very slightly included, which means the stone reads as clean to the eye while retaining the natural character that distinguishes mined gems. Color is perhaps the most compelling aspect, with intense saturation that gives the bi color effect depth and presence, offering a living range of blue and soft secondary hues as it moves. The sapphire has been heat treated, a traditional and stable enhancement that improves color without diminishing origin or integrity. Originating in Montana, this stone carries the cool, open spirit of its landscape, a provenance that enriches its story and makes the gem unmistakably authentic.

The mounting for this sapphire is entirely crafted in platinum 950, chosen for its enduring strength and patina that deepens rather than diminishes with time. Platinum 950 offers exceptional stability for everyday wear, securing the sapphire with a refined four prong setting that elevates the stone while protecting its corners. The minimalist band draws attention to the center gem, allowing the radiant cut to command the view, yet the design retains a quiet architecture that age and fashion will not readily alter. An excellent polish on both the metal and the sapphire enhances the ring s ability to capture and return light, creating moments of scintillation that feel like punctuation marks within a life. The craftsmanship emphasizes balance, ensuring that the sapphire appears to float above the finger, a deliberate presentation that recalls classic solitaire rings treasured through generations.

As a symbol of lifelong commitment, this ring is especially eloquent. The sapphire has long been associated with virtues one seeks in a partner, such as loyalty, wisdom, and protection. Its bi color nature reminds the wearer that a relationship holds many tones and depths, and that beauty arises from the blending of difference into harmony. The substantial five plus carat presence signals a promise that is both visible and weighty, yet the clarity and polish ensure that the gem remains luminous rather than heavy. Platinum 950 further reinforces the message of permanence, a metal chosen historically for wedding jewelry because it resists wear and remains secure for decades. Together, gem and setting tell a story of vows made to endure, of shared journeys that will be reflected in the stone s surface, and of the possibility that this ring will one day be handed down, carrying names and memories forward.

When you consider a piece intended to mark a lifetime, craftsmanship and provenance matter as much as immediate beauty, and The Natural Sapphire Company stands ready to guide you through both. We can provide detailed documentation of the sapphire s attributes, discuss bespoke adjustments to personalize proportions or engraving, and advise on long term care to preserve the stone s color and polish. For those who value tradition, this ring provides a bridge between antique sentiment and contemporary sensibility, a confident solitaire that will become a daily companion. If you would like to see the ring in person, compare it to other Montana sapphires, or explore matching bands, our specialists are available to assist with measurements and commitments tailored to your needs. This is more than a purchase, it is the selection of a symbol, and we will help ensure that its meaning grows richer with every year you wear it.

Watch our process
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Our Process video
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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