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Cushion|Lab Grown|IGI

1.99ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG845661934

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG845661934

Diamond specifications and retailer prices

From €377 EUR
£332 GBP
As of October 27, 2026
Save €1,879 EUR (83%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €2,256 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.99ct lab-grown cushion diamond

This 1.99ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG845661934 or 845661934. Listed at 2 retailers as of October 26, 2026, with prices from €377 to €2,256, a €1,879 spread on the same certified stone. Brilliant Earth lists it at €2,256. 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

1.99
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845661934
Dimensions8.61 × 6.68 × 4.46 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.61 mm6.68 mm1.99 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845661934
Side View
Table 61.0%Crown 34.4°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €2,256 EUR|Low: €187 EUR|High: €2,256 EUR|Avg: €1,198 EUR
Brilliant Earth
Retailer 2
Retailer 3
October 27, 2026
Retailer 3€187 EUR
Retailer 2€377 EUR
Brilliant Earth€2,256 EUR

8 data points across 3 retailers

2 retailers€377 EUR to €2,256 EUR

A
Cheapest Retailer
-
€377 EUR
£332 GBP
Most Expensive
B
Brilliant Earth
22150286A · Oct 26
€2,256 EUR
$2,520 USD
View
1 more retailer has this diamond
Prices start from €377 EURSave up to €1,879 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
1.99ct Cushion
€377 EUR