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Cushion|Lab Grown|IGI

1.03ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG729532548

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

Certificate IGI LG729532548

Diamond specifications and retailer prices

From €260 EUR
$290 USD
As of October 30, 2026
Save €641 EUR (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €900 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 LG729532548 or 729532548. Listed at 8 retailers as of October 29, 2026, with prices from €260 to €900, a €641 spread on the same certified stone. MOH London lists it at €900. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729532548
Dimensions6.12 × 5.93 × 3.80 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.12 mm5.93 mm1.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729532548
Side View
Table 60.0%Crown 33.6°Girdle: THN-MEDPavilion 38.6°Culet: NoneDepth 64.1%

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: €900 EUR|Low: €249 EUR|High: €907 EUR|Avg: €459 EUR|+5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6€260 EUR
Retailer 5€277 EUR
Retailer 3€340 EUR
Retailer 2€357 EUR
Retailer 7€359 EUR
Retailer 4€510 EUR
Retailer 8€665 EUR
MOH London€900 EUR

40 data points across 8 retailers

8 retailers€260 EUR to €900 EUR

B+
Cheapest Retailer
-
€260 EUR
$290 USD
A
Retailer 2
-
€277 EUR
$309 USD
View
A
Retailer 3
-
€340 EUR
£299 GBP
View
B+
Retailer 4
-
€357 EUR
View
Retailer 5
-
€359 EUR
£316 GBP
View
Price last confirmed 38 days ago
B+
Retailer 6
-
€510 EUR
$570 USD
View
B
Retailer 7
-
€665 EUR
$743 USD
View
Most Expensive
B
MOH London
LG729532548 · Oct 29
€900 EUR
£792 GBP
View
7 more retailers have this diamond
Prices start from €260 EURSave up to €641 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
€260 EUR