Round|Lab Grown|IGI

15.06ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG743511514

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743511514

Diamond specifications and retailer prices

From $5,237 CAD
£2,952 GBP
As of October 27, 2026
Save $21,346 CAD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $26,583 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 15.06ct lab-grown round diamond

This 15.06ct 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 LG743511514 or 743511514. Listed at 15 retailers as of October 27, 2026, with prices from $5,237 to $26,583, a $21,346 spread on the same certified stone. Brilliant Earth lists it at $26,583. 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

15.06
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743511514
Dimensions15.90 × 15.75 × 9.64 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
15.90 mm15.75 mm15.06 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG743511514
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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: $26,583 CAD|Low: $5,219 CAD|High: $26,583 CAD|Avg: $9,976 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 29, 2026
Retailer 10$5,237 CAD
Retailer 7$5,604 CAD
Retailer 4$5,873 CAD
Retailer 14$6,501 CAD
Retailer 5$6,788 CAD
Retailer 8$7,599 CAD
Retailer 9$7,655 CAD
Retailer 13$7,796 CAD
Retailer 3$8,123 CAD
Retailer 11$8,449 CAD
Retailer 15$9,660 CAD
Retailer 2$9,937 CAD
Retailer 6$10,066 CAD
Retailer 12$22,049 CAD
Brilliant Earth$26,583 CAD

27 data points across 15 retailers

15 retailers$5,237 CAD to $26,583 CAD

A
Cheapest Retailer
-
$5,237 CAD
£2,952 GBP
A
Retailer 2
-
$5,604 CAD
$4,012 USD
View
A
Retailer 3
-
$5,873 CAD
$4,204 USD
View
A
Retailer 4
-
$6,501 CAD
$4,654 USD
View
B+
Retailer 5
-
$6,788 CAD
$4,859 USD
View
B+
Retailer 6
-
$7,599 CAD
HK$42,500 HKD
View
B+
Retailer 7
-
$7,655 CAD
$5,480 USD
View
B+
Retailer 8
-
$7,796 CAD
$5,581 USD
View
B+
Retailer 9
-
$8,123 CAD
$5,815 USD
View
B+
Retailer 10
-
$8,449 CAD
£4,763 GBP
View
B+
Retailer 11
-
$9,660 CAD
$6,915 USD
View
B+
Retailer 12
-
$9,937 CAD
€6,775 EUR
View
B
Retailer 13
-
$10,066 CAD
$7,206 USD
View
B
Retailer 14
-
$22,049 CAD
$15,784 USD
View
Most Expensive
B
Brilliant Earth
16748074A · Oct 29
$26,583 CAD
$19,030 USD
View
14 more retailers have this diamond
Prices start from $5,237 CADSave up to $21,346 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
15.06ct Round
$5,237 CAD