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Oval|Lab Grown|IGI

1.80ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445038956

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038956

Diamond specifications and retailer prices

From €829 EUR
$930 USD
As of November 1, 2026
Save €3,621 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,450 EUR 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038956 or 445038956. Listed at 12 retailers as of October 29, 2026, with prices from €829 to €4,450, a €3,621 spread on the same certified stone. MOH London lists it at €4,450. 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
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038956
Dimensions9.22 × 6.89 × 4.37 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.22 mm6.89 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445038956
Side View
Table 61.5%Crown 34.5°Girdle: STK-THKPavilion 41.9°Culet: NoneDepth 63.4%

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 1
Current: €4,450 EUR|Low: €829 EUR|High: €4,479 EUR|Avg: €1,886 EUR|+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
November 2, 2026
Retailer 8€829 EUR
Retailer 7€1,188 EUR
Retailer 12€1,292 EUR
Retailer 13€1,329 EUR
Retailer 3€1,377 EUR
Retailer 9€1,377 EUR
Retailer 6€1,529 EUR
Retailer 2€1,885 EUR
Retailer 5€1,903 EUR
Retailer 10€2,179 EUR
Retailer 4€2,568 EUR
Retailer 11€2,582 EUR
MOH London€4,450 EUR

39 data points across 13 retailers

12 retailers€829 EUR to €4,450 EUR

A
Cheapest Retailer
-
€829 EUR
$930 USD
B+
Retailer 2
-
€1,188 EUR
$1,332 USD
View
A
Retailer 3
-
€1,292 EUR
$1,449 USD
View
A
Retailer 4
-
€1,329 EUR
$1,491 USD
View
Final sale: no returns
Retailer 5
-
€1,377 EUR
$1,545 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
€1,377 EUR
$1,545 USD
View
A
Retailer 7
-
€1,529 EUR
$1,715 USD
View
B+
Retailer 8
-
€1,885 EUR
£1,665 GBP
View
B
Retailer 9
-
€2,179 EUR
$2,444 USD
View
B
Retailer 10
-
€2,568 EUR
$2,880 USD
View
B
Retailer 11
-
€2,582 EUR
$2,896 USD
View
Most Expensive
B
MOH London
LG445038956 · Oct 29
€4,450 EUR
£3,930 GBP
View
11 more retailers have this diamond
Prices start from €829 EURSave up to €3,621 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
€829 EUR