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 $3,749 USD
£2,952 GBP
As of October 27, 2026
Save $15,281 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,030 USD 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 $3,749 to $19,030, a $15,281 spread on the same certified stone. Brilliant Earth lists it at $19,030. 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: $19,030 USD|Low: $3,736 USD|High: $19,030 USD|Avg: $7,146 USD
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$3,749 USD
Retailer 7$4,012 USD
Retailer 4$4,204 USD
Retailer 14$4,654 USD
Retailer 5$4,859 USD
Retailer 9$5,440 USD
Retailer 10$5,480 USD
Retailer 2$5,522 USD
Retailer 3$5,815 USD
Retailer 12$6,049 USD
Retailer 15$6,915 USD
Retailer 8$7,114 USD
Retailer 6$7,206 USD
Retailer 13$15,784 USD
Brilliant Earth$19,030 USD

28 data points across 15 retailers

15 retailers$3,749 USD to $19,030 USD

A
Cheapest Retailer
-
$3,749 USD
£2,952 GBP
A
Retailer 2
-
$4,012 USD
View
A
Retailer 3
-
$4,204 USD
View
A
Retailer 4
-
$4,654 USD
View
B+
Retailer 5
-
$4,859 USD
View
B+
Retailer 6
-
$5,440 USD
HK$42,500 HKD
View
B+
Retailer 7
-
$5,480 USD
View
B+
Retailer 8
-
$5,522 USD
View
B+
Retailer 9
-
$5,815 USD
View
B+
Retailer 10
-
$6,049 USD
£4,763 GBP
View
B+
Retailer 11
-
$6,915 USD
View
B+
Retailer 12
-
$7,114 USD
€6,775 EUR
View
B
Retailer 13
-
$7,206 USD
View
B
Retailer 14
-
$15,784 USD
View
Most Expensive
B
Brilliant Earth
16748074A · Oct 29
$19,030 USD
View
14 more retailers have this diamond
Prices start from $3,749 USDSave up to $15,281 USD

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
$3,749 USD