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Round|Lab Grown|IGI

1.81ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG478123503

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478123503

Diamond specifications and retailer prices

From $1,304 SGD
$1,020 USD
As of October 30, 2026
Save $4,726 SGD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,030 SGD at MOH London · As of October 29, 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 LG478123503 or 478123503. Listed at 10 retailers as of October 29, 2026, with prices from $1,304 to $6,030, a $4,726 spread on the same certified stone. MOH London lists it at $6,030. 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

1.81
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478123503
Dimensions7.93 × 7.98 × 4.69 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
7.93 mm7.98 mm1.81 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478123503
Side View
Table 59.0%Crown 31.6°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 59.0%

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 30
Current: $6,030 SGD|Low: $1,304 SGD|High: $6,079 SGD|Avg: $2,812 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,304 SGD
Retailer 4$1,610 SGD
Retailer 7$1,751 SGD
Retailer 9$1,803 SGD
Retailer 5$1,866 SGD
Retailer 11$2,600 SGD
Retailer 6$2,957 SGD
Retailer 10$3,480 SGD
Retailer 8$3,499 SGD
Retailer 3$4,176 SGD
MOH London$6,030 SGD

16 data points across 11 retailers

10 retailers$1,304 SGD to $6,030 SGD

A
Cheapest Retailer
-
$1,304 SGD
$1,020 USD
B+
Retailer 2
-
$1,610 SGD
$1,259 USD
View
B+
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 18 days ago
B+
Retailer 6
-
$1,866 SGD
$1,460 USD
View
B
Retailer 7
-
$2,957 SGD
$2,313 USD
View
B
Retailer 8
-
$3,480 SGD
$2,722 USD
View
B
Retailer 9
-
$3,499 SGD
$2,737 USD
View
Most Expensive
B
MOH London
LG478123503 · Oct 29
$6,030 SGD
£3,714 GBP
View
9 more retailers have this diamond
Prices start from $1,304 SGDSave up to $4,726 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
$1,304 SGD