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Cushion|Lab Grown|IGI

1.80ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG436045211

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG436045211

Diamond specifications and retailer prices

From €886 EUR
$990 USD
As of October 31, 2026
Save €2,875 EUR (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €5,875 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436045211 or 436045211. Listed at 7 retailers as of October 29, 2026, with a 324% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045211
Dimensions7.11 × 7.05 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.11 mm7.05 mm1.80 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045211
Side View
Table 58.0%Crown 34.9°Girdle: STK-VTKPavilion 38.9°Culet: NoneDepth 66.1%

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 31
Current: €5,875 EUR|Low: €886 EUR|High: €5,921 EUR|Avg: €3,220 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2€886 EUR
Retailer 6€1,975 EUR
Retailer 4€2,046 EUR
Retailer 7€2,197 EUR
Retailer 8€2,617 EUR
Retailer 5€3,202 EUR
Retailer 3€3,761 EUR
Retailer 9€5,858 EUR
MOH London€5,875 EUR

19 data points across 9 retailers

7 retailers€886 EUR to €3,761 EUR

A
Cheapest Retailer
-
€886 EUR
$990 USD
B
Retailer 2
-
€1,975 EUR
$2,206 USD
View
Final sale: no returns
Retailer 3
-
€2,046 EUR
$2,286 USD
View
Price last confirmed 20 days ago
B
Retailer 4
-
€2,197 EUR
$2,455 USD
View
B
Retailer 5
-
€3,202 EUR
$3,577 USD
View
B
Retailer 6
-
€3,761 EUR
ZAR 67,882 ZAR
View
Most Expensive
MOH London
LG436045211 · Oct 29
€5,875 EUR
£5,168 GBP
View
Price under review
6 more retailers have this diamond
Prices start from €886 EURSave up to €2,875 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 Cushion
€886 EUR