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Round|Lab Grown|IGI

1.81ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG478113794

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478113794

Diamond specifications and retailer prices

From $1,610 SGD
$1,259 USD
As of October 29, 2026
Save $4,398 SGD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,007 SGD at MOH London · As of October 27, 2026
View at MOH London

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478113794 or 478113794. Listed at 11 retailers as of October 27, 2026, with prices from $1,610 to $6,007, a $4,398 spread on the same certified stone. MOH London lists it at $6,007. 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

1.81
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478113794
Dimensions7.75 × 7.81 × 4.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.75 mm7.81 mm1.81 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478113794
Side View
Table 60.5%Crown 34.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

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 29
Current: $6,007 SGD|Low: $1,286 SGD|High: $6,079 SGD|Avg: $2,718 SGD|+0.1%
MOH London
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 30, 2026
Retailer 6$1,610 SGD
Retailer 7$1,649 SGD
Retailer 10$1,751 SGD
Retailer 12$1,803 SGD
Retailer 8$1,866 SGD
Retailer 13$1,866 SGD
Retailer 2$2,172 SGD
Retailer 4$2,600 SGD
Retailer 9$2,957 SGD
Retailer 3$3,480 SGD
Retailer 11$3,499 SGD
Retailer 5$4,176 SGD
MOH London$6,007 SGD

24 data points across 13 retailers

11 retailers$1,610 SGD to $6,007 SGD

A
Cheapest Retailer
-
$1,610 SGD
$1,259 USD
A
Retailer 2
-
$1,649 SGD
$1,290 USD
View
A
Retailer 3
-
$1,751 SGD
$1,370 USD
View
B+
Retailer 4
-
$1,803 SGD
$1,410 USD
View
Final sale: no returns
Retailer 5
-
$1,866 SGD
$1,460 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,866 SGD
$1,460 USD
View
B+
Retailer 7
-
$2,172 SGD
£1,338 GBP
View
B
Retailer 8
-
$2,957 SGD
$2,313 USD
View
B
Retailer 9
-
$3,480 SGD
$2,722 USD
View
B
Retailer 10
-
$3,499 SGD
$2,737 USD
View
Most Expensive
B
MOH London
LG478113794 · Oct 27
$6,007 SGD
£3,700 GBP
View
10 more retailers have this diamond
Prices start from $1,610 SGDSave up to $4,398 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
1.81ct Round
$1,610 SGD