






















Fine Quality 12.21ct IGI Certified Unheated Blue Sapphire & Diamond Ring in 18k White Gold
30-Day Private Inspection
Acquiring fine gemstones requires absolute confidence. We invite you to view your piece in your own home for 30 days. If it does not perfectly align with your vision, we will arrange a seamless, full-value return.
A Legacy of Trust
Our reputation is our most valuable asset. We invite you to read our independent Google Reviews to hear directly from the collectors, couples, and families who have commissioned their heirloom pieces from our bench.
This breathtaking ring from Skyjems.ca is a true testament to the unmatched beauty of nature. A 12.21-carat IGI-certified unheated blue sapphire is the centerpiece of this masterpiece, set in 18kt white gold and adorned with diamonds. The sapphire's stunning color and exceptional clarity are enhanced by the sparkling diamonds surrounding it, creating a truly captivating piece.
At Skyjems.ca, we specialize in the finest quality colored gemstones and jewelry; this ring is no exception. It embodies the passion and dedication to craftsmanship passed down through three generations of our family business.
We believe that jewelry is more than just an accessory - it is a cherished symbol of love and commitment that can be passed down for generations. This exquisite ring is the perfect way to celebrate an engagement, anniversary, or other special occasions with your loved one.
When you purchase a piece from Skyjems.ca, you invest in a timeless piece of jewelry made with care and attention to detail. We are committed to providing our customers with the highest quality gemstones and jewelry; our reputation speaks for itself.
Experience the beauty and romance of Skyjems.ca jewelry for yourself, or surprise a loved one with a gift that will be treasured for generations to come.
The report reads as follows:
GS#: 1251387
May 13, 2019
Certificate of Evaluation
One lady's 18k. white gold ring containing one oval shaped natural sapphire gauging 17.30 x 11.50 x 8.10mm, approx. weight 12.21ct., of dark tone, moderately strong intensity, violetish blue colour hue, slightly included, very good cut and also set with:
Shape: 10 Round Brilliant Cut Natural Diamonds
Measurements: 2.00mm avg.
Weight: 0.30ct. (total)
Clarity: SI-1 - SI-2
Colour: G-H
Cut: Very Good
GS#: 1251387
Replacement Value: $21,500.00
Total Weight of Item : 11.1 grams
Note: Diamond weight estimated by gauge. Value excludes H.S.T.
***
Description:
One Loose Sapphire
Report Number: GT13354601
Weight: 12.21 cts
Measurements: 16.19x11.50x8.02 mm
Shape: Oval
Cutting Style Crown: Mixed Cut
Cutting Style Pavilion: Mixed Cut
Transparency: Semi-Transparent
Clarity: Very Slightly Included: Eye Clean - Very minor inclusions visible to the naked/unaided eye, inclusions easily visible under 10x magnification.
Colour: Blue
Treatment: None
Origin: Ethiopia
Comments: No indications of heat present.
Archive Reference: JW0298-IGIS0110
Please refer to internal SKU when inquiring about an item.
Explore the Legacy
- Our Commitment — Lifetime Care & Warranty
- The Craftsmanship Behind the Bench
- Browse the Gemstone Vault
"A record of discernment, carried in metal and light."
Commission a Bespoke Heirloom
Built around this gemstone. Explore our Gem First Design process.
Our Commitment
30-Day Private Inspection
Your piece arrives insured and fully authenticated. Live with it for 30 days. If it does not meet your exact expectations, we arrange a seamless full-value return — no questions, no restocking fees.
Fully Insured Worldwide Delivery
Every shipment is fully insured at declared value, packed in tamper-evident security packaging, and tracked door-to-door. US clients receive duty-free delivery with all customs documentation handled by our team.
GIA-Verified Authentication
Every piece is personally authenticated by David Saad, our third-generation GIA-alumni gemologist, before it leaves our care. Certified stones ship with their original laboratory documentation — GIA, AGL, Gübelin, or SSEF.
Lifetime Relationship
Our relationship extends well beyond the transaction. We offer complimentary cleaning and inspection appointments, trade-up considerations on future acquisitions, and direct access to David for gemological questions — for the life of your piece.
Choose options























30-Day Private Inspection
Acquiring fine gemstones requires absolute confidence. We invite you to view your piece in your own home for 30 days. If it does not perfectly align with your vision, we will arrange a seamless, full-value return.
A Legacy of Trust
Our reputation is our most valuable asset. We invite you to read our independent Google Reviews to hear directly from the collectors, couples, and families who have commissioned their heirloom pieces from our bench.
Select Your Ring Size
US sizing · Not sure of your size?