Rubies
Emeralds
Sapphires
Gemstones
+1-212-869-1165
contact us
1
Choose your sapphire
Sapphire
2
Choose your setting
Setting
3
Review Your design
Review
check_circleThis item is available 

0.50 Ct. Blue Sapphire from Madagascar

Item ID: S44090

This loose stone is available to ship now

 
Free shipping
$250

Quality, Value & Heart
100% Natural Sapphires
Free Shipping - Worldwide
14 Day No Hassle Return Policy
Supports Local Charities
Product Details
Item ID:
S44090
Dimensions (MM):
help
Length: 4.28
Width: 4.3
Height: 3.18
Weight:
0.50 Ct.
Color:
help
Blue
Color intensity:
help
Intense
Clarity:
help
Slightly Included
Shape:
help
Round
Cut:
Mixed Brilliant Cut
Cutting style:
Faceted
Enhancements:
help
Heat Treated
Origin:
help
Madagascar
Per carat price:
help
$500
Product description

This Madagascar blue sapphire from The Natural Sapphire Company is a compact powerhouse of color and craftsmanship. At 0.50 carat and measuring 4.28 by 4.30 by 3.18 millimeters, this round shape gem has been expertly fashioned with a mixed brilliant cut to maximize sparkle while preserving weight. Compared with typical commercial sapphires of similar carat weight that rely on larger tables or shallow cuts to appear bigger, this stone benefits from a balanced pavilion depth that returns light effectively, creating lively scintillation and a sense of larger presence on the finger. The transparency and intense color intensity set it apart from many market alternatives that show muddy or washed out tones. While some sellers offer stones with comparable carat weights that depend heavily on color saturation to mask poor cutting or lower clarity, this sapphire’s excellent polish and thoughtful faceting deliver crisp reflections and a vivid, evenly distributed blue that reads as both classic and modern.

Origin matters in sapphires, and Madagascar has emerged as one of the world’s most exciting sources for high quality blue sapphires. Unlike some origins where supply is either historic and constrained or heavily imitated, Madagascar produces sapphires with fresh, often oceanic blues and unique trace element balances that create depth without leaning too purple or overly inky. This particular sapphire’s provenance enhances its desirability. Buyers who understand provenance appreciate that Madagascar stones combine contemporary availability with strong visual appeal, making them a compelling alternative to more costly Kashmir or Ceylon pieces, without sacrificing the nuanced color that distinguishes premium sapphires. The Natural Sapphire Company carefully sources from responsible mining operations in Madagascar, so purchasers receive not only a beautiful gem but one whose origin story carries value for collectors and those who seek ethically minded choices. In a market where origin can significantly affect both price and prestige, this Madagascar gem offers an elegant balance of rarity, provenance, and approachable value.

Clarity and enhancement are critical considerations for buyers, and this sapphire is evaluated as slightly included at eye level, meaning it remains transparent and lively while showing only minor natural characteristics. Slight inclusions are expected in natural stones and can actually confirm authenticity, particularly when compared to lab-created alternatives that lack internal growth features. The sapphire has been heat treated, a widely accepted and stable enhancement in the trade that improves color and clarity without diminishing the gem’s long term durability. Heat treatment of this nature is permanent and common among fine natural sapphires, and it allows us to present a gem with intense color intensity and pleasing optical performance at a far better value than an untreated stone with similar visual appeal might command. When compared to unregulated market options that might be fracture filled or diffused to achieve color, a heat treated sapphire like this one provides a reliable, lasting enhancement backed by straightforward disclosure and specialist knowledge from The Natural Sapphire Company.

From a practical and design perspective, this 0.50 carat round Madagascar sapphire is exceptionally versatile. The mixed brilliant cut enhances brilliance and fire, making it ideal for solitaire rings, delicate halo settings, or as a striking center for bespoke designs where clarity and color must harmonize. Its dimensions, 4.28 by 4.30 by 3.18 millimeters, mean it sits comfortably in settings designed for classic round stones while offering the durability of corundum, which rates a nine on the Mohs scale, making it suitable for everyday wear. Compared to larger, lower quality stones that may sacrifice brilliance for size, this gem gives a refined visual impact and a feeling of superior craftsmanship. When you purchase through The Natural Sapphire Company you benefit from our expertise in matching cut, color, and clarity to intended jewelry designs, ensuring the stone will not only look exceptional in hand but retain its value through timeless appeal and proven sourcing. If you value striking color, responsible provenance, and enduring quality, this Madagascar blue sapphire stands out among market alternatives as a smart and beautiful choice.

Watch our process
Play button
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
Video player button
education
Learn About Blue Sapphires
Blue sapphires, with their captivating deep blue hue, are a symbol of elegance, wisdom, and timeless beauty. Known for their unmatched brilliance and strength, they add a touch of royal sophistication to any jewelry collection. Discover the allure of blue sapphires today!
Image

Other Sapphires You May Like

Our Customers Love Us

See what people are saying on Google and Verified Reviews