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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 €877 EUR
$980 USD
As of October 31, 2026
Save €4,233 EUR (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,110 EUR 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 October 31, 2026, with prices from €877 to €5,110, a €4,233 spread on the same certified stone. MOH London lists it at €5,110. 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: Oct 31
Current: €5,110 EUR|Low: €877 EUR|High: €5,178 EUR|Avg: €2,614 EUR|-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€877 EUR
Retailer 4€1,542 EUR
Retailer 8€1,727 EUR
Retailer 6€1,789 EUR
Retailer 3€1,822 EUR
Retailer 9€1,942 EUR
Retailer 10€2,393 EUR
Retailer 7€2,810 EUR
Retailer 2€3,084 EUR
MOH London€5,110 EUR
Retailer 11€5,122 EUR

14 data points across 11 retailers

11 retailers€877 EUR to €5,110 EUR

A
Cheapest Retailer
-
€877 EUR
$980 USD
B+
Retailer 2
-
€1,542 EUR
$1,723 USD
View
B+
Retailer 3
-
€1,678 EUR
$1,875 USD
View
B+
Retailer 4
-
€1,727 EUR
$1,929 USD
View
Final sale: no returns
Retailer 5
-
€1,789 EUR
$1,999 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,789 EUR
$1,999 USD
View
B+
Retailer 7
-
€1,942 EUR
$2,170 USD
View
B
Retailer 8
-
€2,810 EUR
$3,139 USD
View
B
Retailer 9
-
€3,084 EUR
$3,446 USD
View
B
Retailer 10
-
€3,354 EUR
$3,747 USD
View
Most Expensive
B
MOH London
LG445037344 · Nov 1
€5,110 EUR
£4,495 GBP
View
10 more retailers have this diamond
Prices start from €877 EURSave up to €4,233 EUR

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
€877 EUR