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Cushion|Lab Grown|IGI

1.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG818673728

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818673728

Diamond specifications and retailer prices

From €129 EUR
As of November 6, 2026
Save €1,097 EUR (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,226 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818673728 or 818673728. Listed at 14 retailers as of November 2, 2026, with prices from €129 to €1,226, a €1,097 spread on the same certified stone. MOH London lists it at €1,226. 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

1.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818673728
Dimensions6.61 × 5.18 × 3.63 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm5.18 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818673728
Side View
Table 59.0%Crown 35.3°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 70.1%

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 6
Current: €1,226 EUR|Low: €129 EUR|High: €1,256 EUR|Avg: €447 EUR|-2.2%
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
Retailer 14
November 6, 2026
Retailer 8€129 EUR
Retailer 9€185 EUR
Retailer 14€195 EUR
Retailer 13€237 EUR
Retailer 2€257 EUR
Retailer 7€263 EUR
Retailer 3€272 EUR
Retailer 4€369 EUR
Retailer 12€399 EUR
Retailer 6€443 EUR
Retailer 5€448 EUR
Retailer 10€511 EUR
Retailer 11€866 EUR
MOH London€1,226 EUR

43 data points across 14 retailers

14 retailers€129 EUR to €1,226 EUR

A
Cheapest Retailer
-
€129 EUR
Final sale: no returns
A
Retailer 2
-
€185 EUR
View
B+
Retailer 3
-
€195 EUR
View
A
Retailer 4
-
€237 EUR
View
A
Retailer 5
-
€257 EUR
View
A
Retailer 6
-
€263 EUR
View
A
Retailer 7
-
€272 EUR
View
A
Retailer 8
-
€369 EUR
View
B+
Retailer 9
-
€399 EUR
View
B+
Retailer 10
-
€443 EUR
View
B+
Retailer 11
-
€448 EUR
View
B+
Retailer 12
-
€511 EUR
View
B
Retailer 13
-
€866 EUR
View
Most Expensive
B
MOH London
LG818673728 · Nov 2
€1,226 EUR
£1,078 GBP
View
13 more retailers have this diamond
Prices start from €129 EURSave up to €1,097 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
1.03ct Cushion
€129 EUR