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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 $1,812 AUD
$1,273 USD
As of October 29, 2026
Save $4,975 AUD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,787 AUD 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 $1,812 to $6,787, a $4,975 spread on the same certified stone. MOH London lists it at $6,787. 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 29
Current: $6,787 AUD|Low: $1,448 AUD|High: $6,832 AUD|Avg: $3,042 AUD|-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 6$1,812 AUD
Retailer 7$1,851 AUD
Retailer 10$1,972 AUD
Retailer 12$2,029 AUD
Retailer 8$2,101 AUD
Retailer 13$2,101 AUD
Retailer 2$2,445 AUD
Retailer 4$2,923 AUD
Retailer 9$3,327 AUD
Retailer 3$3,916 AUD
Retailer 11$3,939 AUD
Retailer 5$4,700 AUD
MOH London$6,787 AUD

23 data points across 13 retailers

11 retailers$1,812 AUD to $6,787 AUD

A
Cheapest Retailer
-
$1,812 AUD
$1,273 USD
A
Retailer 2
-
$1,851 AUD
$1,300 USD
View
A
Retailer 3
-
$1,972 AUD
$1,385 USD
View
B+
Retailer 4
-
$2,029 AUD
$1,425 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,101 AUD
$1,476 USD
View
Retailer 6
-
$2,101 AUD
$1,476 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$2,445 AUD
£1,352 GBP
View
B
Retailer 8
-
$3,327 AUD
$2,337 USD
View
B
Retailer 9
-
$3,916 AUD
$2,751 USD
View
B
Retailer 10
-
$3,939 AUD
$2,767 USD
View
Most Expensive
B
MOH London
LG478124713 · Oct 29
$6,787 AUD
£3,754 GBP
View
10 more retailers have this diamond
Prices start from $1,812 AUDSave up to $4,975 AUD

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
$1,812 AUD