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Cushion|Lab Grown|IGI

1.05ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG833671683

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833671683

Diamond specifications and retailer prices

From €128 EUR
As of November 6, 2026
Save €1,055 EUR (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,183 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.05ct lab-grown cushion diamond

This 1.05ct 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 LG833671683 or 833671683. Listed at 12 retailers as of November 5, 2026, with prices from €128 to €1,183, a €1,055 spread on the same certified stone. MOH London lists it at €1,183. 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

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671683
Dimensions7.29 × 5.26 × 3.18 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.29 mm5.26 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG833671683
Side View
Table 61.0%Crown 34.4°Girdle: MED-THKPavilion 29.6°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €1,183 EUR|Low: €128 EUR|High: €1,231 EUR|Avg: €363 EUR|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6€128 EUR
Retailer 12€160 EUR
Retailer 2€183 EUR
Retailer 5€235 EUR
Retailer 10€248 EUR
Retailer 7€270 EUR
Retailer 8€270 EUR
Retailer 4€279 EUR
Retailer 9€356 EUR
Retailer 11€395 EUR
Retailer 3€452 EUR
MOH London€1,183 EUR

40 data points across 12 retailers

12 retailers€128 EUR to €1,183 EUR

A
Cheapest Retailer
-
€128 EUR
Final sale: no returns
A
Retailer 2
-
€160 EUR
View
A
Retailer 3
-
€183 EUR
View
A
Retailer 4
-
€235 EUR
View
A
Retailer 5
-
€248 EUR
View
A
Retailer 6
-
€270 EUR
View
B+
Retailer 7
-
€270 EUR
View
Retailer 8
-
€279 EUR
View
Price last confirmed 13 days ago
A
Retailer 9
-
€356 EUR
View
B+
Retailer 10
-
€395 EUR
View
Retailer 11
-
€452 EUR
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG833671683 · Nov 5
€1,183 EUR
£1,040 GBP
View
11 more retailers have this diamond
Prices start from €128 EURSave up to €1,055 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
1.05ct Cushion
€128 EUR