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Cushion|Lab Grown|IGI

1.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG668410063

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG668410063

Diamond specifications and retailer prices

From €143 EUR
$160 USD
As of October 30, 2026
Save €607 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €750 EUR at MOH London · As of November 1, 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 LG668410063 or 668410063. Listed at 12 retailers as of October 30, 2026, with prices from €143 to €750, a €607 spread on the same certified stone. MOH London lists it at €750. 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 angle34.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668410063
Dimensions6.83 × 5.36 × 3.58 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm5.36 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668410063
Side View
Table 62.0%Crown 34.9°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 66.8%

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: Oct 30
Current: €750 EUR|Low: €158 EUR|High: €763 EUR|Avg: €363 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11€162 EUR
Retailer 2€208 EUR
Retailer 6€268 EUR
Retailer 4€277 EUR
Retailer 9€298 EUR
Retailer 5€305 EUR
Retailer 10€305 EUR
Retailer 7€380 EUR
Retailer 3€439 EUR
Retailer 8€448 EUR
MOH London€750 EUR

37 data points across 11 retailers

12 retailers€143 EUR to €750 EUR

A
Cheapest Retailer
-
€143 EUR
$160 USD
Final sale: no returns
A
Retailer 2
-
€162 EUR
$181 USD
View
A
Retailer 3
-
€208 EUR
£183 GBP
View
A
Retailer 4
-
€268 EUR
$299 USD
View
A
Retailer 5
-
€277 EUR
£243 GBP
View
A
Retailer 6
-
€298 EUR
$333 USD
View
A
Retailer 7
-
€305 EUR
View
A
Retailer 8
-
€305 EUR
£268 GBP
View
A
Retailer 9
-
€380 EUR
$425 USD
View
B+
Retailer 10
-
€439 EUR
$490 USD
View
B+
Retailer 11
-
€448 EUR
$500 USD
View
Most Expensive
B
MOH London
LG668410063 · Nov 1
€750 EUR
£660 GBP
View
11 more retailers have this diamond
Prices start from €143 EURSave up to €607 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
€143 EUR