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Round|Lab Grown|IGI

1.83ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG478124713

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478124713

Diamond specifications and retailer prices

From $1,317 SGD
$1,030 USD
As of October 30, 2026
Save $4,778 SGD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,095 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.83ct lab-grown round diamond

This 1.83ct 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 LG478124713 or 478124713. Listed at 11 retailers as of October 29, 2026, with prices from $1,317 to $6,095, a $4,778 spread on the same certified stone. MOH London lists it at $6,095. 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

1.83
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478124713
Dimensions7.80 × 7.87 × 4.84 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
7.80 mm7.87 mm1.83 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478124713
Side View
Table 60.0%Crown 34.7°Girdle: MediumPavilion 41.5°Culet: NoneDepth 61.7%

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: $6,095 SGD|Low: $1,317 SGD|High: $6,135 SGD|Avg: $2,737 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
Retailer 12
Retailer 13
October 30, 2026
Retailer 2$1,317 SGD
Retailer 7$1,627 SGD
Retailer 10$1,771 SGD
Retailer 12$1,822 SGD
Retailer 8$1,887 SGD
Retailer 13$1,887 SGD
Retailer 6$2,196 SGD
Retailer 4$2,625 SGD
Retailer 9$2,988 SGD
Retailer 3$3,517 SGD
Retailer 11$3,537 SGD
Retailer 5$4,220 SGD
MOH London$6,095 SGD

22 data points across 13 retailers

11 retailers$1,317 SGD to $6,095 SGD

A
Cheapest Retailer
-
$1,317 SGD
$1,030 USD
B+
Retailer 2
-
$1,627 SGD
$1,273 USD
View
B+
Retailer 3
-
$1,771 SGD
$1,385 USD
View
B+
Retailer 4
-
$1,822 SGD
$1,425 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,887 SGD
$1,476 USD
View
Retailer 6
-
$1,887 SGD
$1,476 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$2,196 SGD
£1,352 GBP
View
B
Retailer 8
-
$2,988 SGD
$2,337 USD
View
B
Retailer 9
-
$3,517 SGD
$2,751 USD
View
B
Retailer 10
-
$3,537 SGD
$2,767 USD
View
Most Expensive
C
MOH London
LG478124713 · Oct 29
$6,095 SGD
£3,754 GBP
View
10 more retailers have this diamond
Prices start from $1,317 SGDSave up to $4,778 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
1.83ct Round
$1,317 SGD