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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 $4,710 SGD
£2,901 GBP
As of October 27, 2026
Save $19,579 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $24,290 SGD at Brilliant Earth · As of October 31, 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 $4,710 to $24,290, a $19,579 spread on the same certified stone. Brilliant Earth lists it at $24,290. 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
Colour
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: $24,290 SGD|Low: $4,694 SGD|High: $24,290 SGD|Avg: $8,969 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$4,710 SGD
Retailer 7$5,041 SGD
Retailer 4$5,282 SGD
Retailer 14$5,846 SGD
Retailer 5$6,122 SGD
Retailer 9$6,824 SGD
Retailer 8$7,076 SGD
Retailer 10$7,153 SGD
Retailer 3$7,306 SGD
Retailer 12$7,593 SGD
Retailer 15$8,795 SGD
Retailer 2$8,902 SGD
Retailer 6$9,056 SGD
Retailer 13$20,096 SGD
Brilliant Earth$24,290 SGD

30 data points across 15 retailers

16 retailers$4,710 SGD to $24,290 SGD

A
Cheapest Retailer
-
$4,710 SGD
£2,901 GBP
A
Retailer 2
-
$5,041 SGD
$3,943 USD
View
Retailer 3
-
$5,282 SGD
$4,132 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$5,846 SGD
$4,573 USD
View
B+
Retailer 5
-
$6,122 SGD
$4,789 USD
View
B+
Retailer 6
-
$6,824 SGD
HK$41,700 HKD
View
B+
Retailer 7
-
$7,076 SGD
$5,535 USD
View
B+
Retailer 8
-
$7,153 SGD
$5,595 USD
View
Retailer 9
-
$7,306 SGD
$5,715 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$7,593 SGD
£4,677 GBP
View
Retailer 11
-
$8,795 SGD
$6,880 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$8,902 SGD
€6,632 EUR
View
B
Retailer 13
-
$9,056 SGD
$7,084 USD
View
B
Retailer 14
-
$20,096 SGD
$15,720 USD
View
Retailer 15
-
$24,290 SGD
$19,000 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
17134365A · Oct 31
$24,290 SGD
$19,000 USD
View
15 more retailers have this diamond
Prices start from $4,710 SGDSave up to $19,579 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
15.04ct Round
$4,710 SGD