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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 €132 EUR
$147 USD
As of October 30, 2026
Save €1,101 EUR (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,232 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €132 to €1,232, a €1,101 spread on the same certified stone. MOH London lists it at €1,232. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,232 EUR|Low: €132 EUR|High: €1,255 EUR|Avg: €390 EUR|-1.6%
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 1, 2026
Retailer 12€132 EUR
Retailer 2€190 EUR
Retailer 4€199 EUR
Retailer 6€247 EUR
Retailer 7€264 EUR
Retailer 11€279 EUR
Retailer 8€363 EUR
Retailer 3€407 EUR
Retailer 5€443 EUR
Retailer 9€448 EUR
Retailer 13€522 EUR
Retailer 10€875 EUR
MOH London€1,232 EUR

43 data points across 13 retailers

14 retailers€132 EUR to €1,232 EUR

A
Cheapest Retailer
-
€132 EUR
$147 USD
Final sale: no returns
A
Retailer 2
-
€190 EUR
£167 GBP
View
B+
Retailer 3
-
€199 EUR
$222 USD
View
A
Retailer 4
-
€247 EUR
£218 GBP
View
A
Retailer 5
-
€264 EUR
$295 USD
View
A
Retailer 6
-
€264 EUR
View
A
Retailer 7
-
€279 EUR
£245 GBP
View
A
Retailer 8
-
€363 EUR
$406 USD
View
B+
Retailer 9
-
€407 EUR
SGD 615 SGD
View
B+
Retailer 10
-
€443 EUR
$495 USD
View
B+
Retailer 11
-
€448 EUR
$500 USD
View
B
Retailer 12
-
€522 EUR
$583 USD
View
B
Retailer 13
-
€875 EUR
$977 USD
View
Most Expensive
B
MOH London
LG818673728 · Oct 29
€1,232 EUR
£1,084 GBP
View
13 more retailers have this diamond
Prices start from €132 EURSave up to €1,101 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
€132 EUR