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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 $4,793 SGD
£2,952 GBP
As of October 27, 2026
Save $19,535 SGD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $24,328 SGD at Brilliant Earth · As of October 31, 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 $4,793 to $24,328, a $19,535 spread on the same certified stone. Brilliant Earth lists it at $24,328. 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
Colour
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

How it works →
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: $24,328 SGD|Low: $4,776 SGD|High: $24,328 SGD|Avg: $9,179 SGD
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$4,793 SGD
Retailer 7$5,129 SGD
Retailer 4$5,374 SGD
Retailer 14$5,950 SGD
Retailer 5$6,212 SGD
Retailer 9$6,954 SGD
Retailer 10$7,006 SGD
Retailer 8$7,059 SGD
Retailer 3$7,434 SGD
Retailer 12$7,732 SGD
Retailer 15$8,840 SGD
Retailer 2$9,069 SGD
Retailer 6$9,212 SGD
Retailer 13$20,178 SGD
Brilliant Earth$24,328 SGD

28 data points across 15 retailers

15 retailers$4,793 SGD to $24,328 SGD

A
Cheapest Retailer
-
$4,793 SGD
£2,952 GBP
A
Retailer 2
-
$5,129 SGD
$4,012 USD
View
Retailer 3
-
$5,374 SGD
$4,204 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$5,950 SGD
$4,654 USD
View
B+
Retailer 5
-
$6,212 SGD
$4,859 USD
View
B+
Retailer 6
-
$6,954 SGD
HK$42,500 HKD
View
B+
Retailer 7
-
$7,006 SGD
$5,480 USD
View
B+
Retailer 8
-
$7,059 SGD
$5,522 USD
View
Retailer 9
-
$7,434 SGD
$5,815 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$7,732 SGD
£4,763 GBP
View
Retailer 11
-
$8,840 SGD
$6,915 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$9,069 SGD
€6,756 EUR
View
B
Retailer 13
-
$9,212 SGD
$7,206 USD
View
B
Retailer 14
-
$20,178 SGD
$15,784 USD
View
Most Expensive
B
Brilliant Earth
16748074A · Oct 31
$24,328 SGD
$19,030 USD
View
14 more retailers have this diamond
Prices start from $4,793 SGDSave up to $19,535 SGD

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
$4,793 SGD