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Oval|Lab Grown|IGI

1.80ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG445036833

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036833

Diamond specifications and retailer prices

From $1,281 AUD
$900 USD
As of October 29, 2026
8 retailers carry this diamond
Most expensive: $6,990 AUD at MOH London · As of October 8, 2026
View at MOH London

About this 1.8ct lab-grown oval diamond

This 1.8ct lab-grown oval 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 LG445036833 or 445036833. Listed at 8 retailers as of October 29, 2026. 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

1.80
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036833
Dimensions9.51 × 6.82 × 4.29 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.51 mm6.82 mm1.80 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036833
Side View
Table 55.0%Crown 32.6°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $6,990 AUD|Low: $1,281 AUD|High: $6,990 AUD|Avg: $3,674 AUD|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 8, 2026
Retailer 2$1,281 AUD
Retailer 4$2,330 AUD
Retailer 7$2,681 AUD
Retailer 6$3,294 AUD
Retailer 3$3,808 AUD
Retailer 5$4,383 AUD
Retailer 8$5,405 AUD
MOH London$6,990 AUD

8 data points across 8 retailers

8 retailers

A
Cheapest Retailer
-
$1,281 AUD
$900 USD
Retailer 2
-
$1,999 AUD
$1,404 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$2,265 AUD
$1,591 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$2,414 AUD
$1,696 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$3,808 AUD
$2,675 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$4,383 AUD
$3,079 USD
View
Price last confirmed 20 days ago
Retailer 7
-
$4,527 AUD
$3,180 USD
View
Price last confirmed 23 days ago
Most Expensive
MOH London
LG445036833 · Oct 8
$6,990 AUD
£3,866 GBP
View
Price last confirmed 22 days ago
7 more retailers have this diamond
Prices start from $1,281 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
1.80ct Oval
$1,281 AUD