Round|Lab Grown|IGI

15.04ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG745523225

Shape and cutting style on the report: Round brilliant

Certificate IGI LG745523225

Diamond specifications and retailer prices

From $5,147 CAD
£2,901 GBP
As of October 27, 2026
Save $21,394 CAD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $26,541 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 15.04ct lab-grown round diamond

This 15.04ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG745523225 or 745523225. Listed at 16 retailers as of October 27, 2026, with prices from $5,147 to $26,541, a $21,394 spread on the same certified stone. Brilliant Earth lists it at $26,541. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

15.04
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745523225
Dimensions16.07 × 16.19 × 9.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.07 mm16.19 mm15.04 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745523225
Side View
Table 61.0%Crown 32.1°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $26,541 CAD|Low: $5,129 CAD|High: $26,541 CAD|Avg: $9,803 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 11$5,147 CAD
Retailer 7$5,508 CAD
Retailer 4$5,772 CAD
Retailer 14$6,388 CAD
Retailer 5$6,690 CAD
Retailer 9$7,456 CAD
Retailer 2$7,732 CAD
Retailer 10$7,816 CAD
Retailer 3$7,983 CAD
Retailer 12$8,296 CAD
Retailer 15$9,611 CAD
Retailer 8$9,755 CAD
Retailer 6$9,896 CAD
Retailer 13$21,959 CAD
Brilliant Earth$26,541 CAD

30 data points across 15 retailers

16 retailers$5,147 CAD to $26,541 CAD

A
Cheapest Retailer
-
$5,147 CAD
£2,901 GBP
A
Retailer 2
-
$5,508 CAD
$3,943 USD
View
A
Retailer 3
-
$5,772 CAD
$4,132 USD
View
A
Retailer 4
-
$6,388 CAD
$4,573 USD
View
B+
Retailer 5
-
$6,690 CAD
$4,789 USD
View
B+
Retailer 6
-
$7,456 CAD
HK$41,700 HKD
View
B+
Retailer 7
-
$7,732 CAD
$5,535 USD
View
B+
Retailer 8
-
$7,816 CAD
$5,595 USD
View
B+
Retailer 9
-
$7,983 CAD
$5,715 USD
View
B+
Retailer 10
-
$8,296 CAD
£4,677 GBP
View
B+
Retailer 11
-
$9,611 CAD
$6,880 USD
View
B+
Retailer 12
-
$9,755 CAD
€6,651 EUR
View
B
Retailer 13
-
$9,896 CAD
$7,084 USD
View
B
Retailer 14
-
$21,959 CAD
$15,720 USD
View
Retailer 15
-
$26,541 CAD
$19,000 USD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
17134365A · Oct 29
$26,541 CAD
$19,000 USD
View
15 more retailers have this diamond
Prices start from $5,147 CADSave up to $21,394 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
15.04ct Round
$5,147 CAD