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Oval|Lab Grown|IGI

1.80ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG436074594

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436074594

Diamond specifications and retailer prices

From $900 USD
As of October 29, 2026
Save $3,970 USD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,870 USD at MOH London · As of October 29, 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 LG436074594 or 436074594. Listed at 10 retailers as of October 29, 2026, with prices from $900 to $4,870, a $3,970 spread on the same certified stone. MOH London lists it at $4,870. 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
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074594
Dimensions9.49 × 7.05 × 4.24 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.49 mm7.05 mm1.80 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074594
Side View
Table 57.5%Crown 34.1°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,870 USD|Low: $900 USD|High: $4,903 USD|Avg: $2,441 USD|-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 29, 2026
Retailer 4$900 USD
Retailer 2$1,462 USD
Retailer 8$1,591 USD
Retailer 9$1,637 USD
Retailer 5$1,696 USD
Retailer 11$2,314 USD
Retailer 6$2,675 USD
Retailer 10$3,079 USD
Retailer 7$3,180 USD
Retailer 3$3,797 USD
MOH London$4,870 USD

13 data points across 11 retailers

10 retailers$900 USD to $4,870 USD

A
Cheapest Retailer
-
$900 USD
B+
Retailer 2
-
$1,462 USD
View
B+
Retailer 3
-
$1,591 USD
View
B+
Retailer 4
-
$1,637 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,696 USD
View
Retailer 6
-
$1,696 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,675 USD
View
B
Retailer 8
-
$3,079 USD
View
B
Retailer 9
-
$3,180 USD
View
Most Expensive
B
MOH London
LG436074594 · Oct 29
$4,870 USD
£3,835 GBP
View
9 more retailers have this diamond
Prices start from $900 USDSave up to $3,970 USD

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
$900 USD