ID: B15406

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18K White Gold Ring

ID: JS1483

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3.79 Ct. Blue Sapphire from Thailand Video

3.79 Ct. Blue Sapphire from Thailand Image

3.79 Ct. Blue Sapphire from Thailand Sarin

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This item is made to order

Men's Blue Sapphire Ring 3.79 Ct., 18K White Gold

Design ID: 241039

Sapphire Item ID:B15406

$31,268

Setting Item ID:JS1483

$3,562

Est. Ship Date: October 19 - October 26

Rush service may be available upon request.

Free shipping

$34,830

(Total price)

3 shoppers are considering this ring right now

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

Product Details

Item ID:	B15406
Dimensions (MM):	Length: 9.05 Width: 8.99 Height: 5.7
Weight:	3.79 Ct.
Color:	Blue
Color intensity:	Vivid
Clarity:	Eye Clean
Shape:	Round
Cut:	Mixed Brilliant Cut
Cutting style:	Faceted
Enhancements:	No Enhancement
Origin:	Thailand
Per carat price:	$8,250

Product description

Whether you are searching for a signature engagement ring that reflects quiet strength, or a rare gemstone to anchor a collectors cabinet, this ring answers that need with clarity and presence. At its heart sits an AGL certified Blue 3.79 carat round shape blue sapphire, measuring 9.05 x 8.99 x 5.70 mm, cut in a mixed brilliant style to maximize fire and return of light. Evaluated at eye level the stone is eye clean, with vivid color saturation and an excellent polish that gives a deep, velvety blue in every lighting condition. The proportions and mixed brilliant cut deliver modern brilliance without sacrificing the stone weight and presence that men often prefer, and the substantial feel of the setting communicates confidence and permanence. The sapphire originates in Thailand, and it is set entirely in platinum 950, a metal known for long term durability, hypoallergenic properties, and a naturally bright white finish that complements the blue hue.

At The Natural Sapphire Company we know that ethical sourcing matters as much as beauty, and we designed this piece to meet both standards. The sapphire carries AGL certification for identity and origin, and our sourcing partners in Thailand adhere to responsible mining practices, transparent supply chains, and fair labor standards. The platinum 950 used in the band is reclaimed or responsibly sourced from trusted suppliers, ensuring reduced environmental impact and clear provenance. Every step from mine to finished ring is documented so that you can trace the journey of the gemstone and the metal, and our master setters and polishers finish each ring by hand to guarantee fit and longevity. If your search is for a durable everyday statement piece, a meaningful engagement symbol, or a standout collectible, this sapphire in a platinum 950 mount fulfills that brief, combining striking color, certified origin, and ethical integrity. Contact The Natural Sapphire Company to view certification details, request additional photos or to arrange a private consultation, we are committed to ensuring your purchase is as responsible as it is beautiful.

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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.

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.

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.

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.

A well presented sapphire makes a difference.

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.

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.

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.