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Round|Lab Grown|IGI

15.11ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG577395292

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577395292

Diamond specifications and retailer prices

From $2,249 SGD
£1,385 GBP
As of October 30, 2026
Save $17,020 SGD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,269 SGD at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.11ct lab-grown round diamond

This 15.11ct 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 LG577395292 or 577395292. Listed at 12 retailers as of October 30, 2026, with prices from $2,249 to $19,269, a $17,020 spread on the same certified stone. Adiamor lists it at $19,269. 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

15.11
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577395292
Dimensions15.99 × 16.07 × 9.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.99 mm16.07 mm15.11 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577395292
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.5%

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 30
Current: $19,269 SGD|Low: $2,249 SGD|High: $27,038 SGD|Avg: $7,709 SGD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 8$2,249 SGD
Retailer 9$2,407 SGD
Retailer 6$2,619 SGD
Retailer 3$2,792 SGD
Retailer 10$3,004 SGD
Retailer 13$3,289 SGD
Retailer 12$3,634 SGD
Retailer 2$3,824 SGD
Retailer 11$4,458 SGD
Retailer 7$4,586 SGD
Retailer 4$5,234 SGD
Adiamor$19,269 SGD
Retailer 5$27,038 SGD

4 data points across 13 retailers

12 retailers$2,249 SGD to $19,269 SGD

A
Cheapest Retailer
-
$2,249 SGD
£1,385 GBP
A
Retailer 2
-
$2,407 SGD
$1,883 USD
View
A
Retailer 3
-
$2,619 SGD
$2,049 USD
View
A
Retailer 4
-
$2,792 SGD
$2,184 USD
View
A
Retailer 5
-
$3,004 SGD
$2,350 USD
View
A
Retailer 6
-
$3,289 SGD
HK$20,100 HKD
View
A
Retailer 7
-
$3,634 SGD
$2,843 USD
View
A
Retailer 8
-
$3,824 SGD
£2,356 GBP
View
A
Retailer 9
-
$4,458 SGD
€3,321 EUR
View
A
Retailer 10
-
$4,586 SGD
$3,587 USD
View
B+
Retailer 11
-
$5,234 SGD
$4,094 USD
View
Most Expensive
B
Adiamor
D-82826842 · Oct 31
$19,269 SGD
$15,073 USD
View
11 more retailers have this diamond
Prices start from $2,249 SGDSave up to $17,020 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
15.11ct Round
$2,249 SGD