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Oval|Lab Grown|IGI

1.80ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445037344

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037344

Diamond specifications and retailer prices

From $980 USD
As of November 2, 2026
Save $4,729 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,709 USD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037344 or 445037344. Listed at 11 retailers as of November 1, 2026, with prices from $980 to $5,709, a $4,729 spread on the same certified stone. MOH London lists it at $5,709. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037344
Dimensions9.20 × 6.90 × 4.43 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.20 mm6.90 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037344
Side View
Table 55.0%Crown 37.4°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.2%

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: Nov 2
Current: $5,709 USD|Low: $980 USD|High: $5,785 USD|Avg: $2,921 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$980 USD
Retailer 4$1,723 USD
Retailer 8$1,929 USD
Retailer 6$1,999 USD
Retailer 3$2,036 USD
Retailer 9$2,170 USD
Retailer 10$2,674 USD
Retailer 7$3,139 USD
Retailer 2$3,446 USD
MOH London$5,709 USD
Retailer 11$5,723 USD

14 data points across 11 retailers

11 retailers$980 USD to $5,709 USD

A
Cheapest Retailer
-
$980 USD
B+
Retailer 2
-
$1,723 USD
View
B+
Retailer 3
-
$1,875 USD
View
B+
Retailer 4
-
$1,929 USD
View
Final sale: no returns
Retailer 5
-
$1,999 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$1,999 USD
View
B+
Retailer 7
-
$2,170 USD
View
B
Retailer 8
-
$3,139 USD
View
B
Retailer 9
-
$3,446 USD
View
B
Retailer 10
-
$3,747 USD
View
Most Expensive
B
MOH London
LG445037344 · Nov 1
$5,709 USD
£4,495 GBP
View
10 more retailers have this diamond
Prices start from $980 USDSave up to $4,729 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
$980 USD