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Cushion|Lab Grown|IGI

1.23ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG734536632

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

Certificate IGI LG734536632

Diamond specifications and retailer prices

From €183 EUR
$205 USD
As of October 30, 2026
Save €819 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,003 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG734536632 or 734536632. Listed at 11 retailers as of October 30, 2026, with prices from €183 to €1,003, a €819 spread on the same certified stone. Brilliant Earth lists it at €1,003. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734536632
Dimensions6.24 × 6.24 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.24 mm6.24 mm1.23 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734536632
Side View
Table 61.0%Crown 33.1°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 67.9%

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: €1,003 EUR|Low: €126 EUR|High: €1,128 EUR|Avg: €520 EUR|-11.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11€183 EUR
Retailer 9€203 EUR
Retailer 13€276 EUR
Retailer 6€368 EUR
Retailer 2€376 EUR
Retailer 12€400 EUR
Retailer 5€424 EUR
Retailer 8€499 EUR
Retailer 10€568 EUR
Retailer 4€667 EUR
Retailer 3€703 EUR
Retailer 7€957 EUR
Brilliant Earth€1,003 EUR

42 data points across 13 retailers

11 retailers€183 EUR to €1,003 EUR

A
Cheapest Retailer
-
€183 EUR
$205 USD
Final sale: no returns
A
Retailer 2
-
€203 EUR
$227 USD
View
B+
Retailer 3
-
€276 EUR
$308 USD
View
A
Retailer 4
-
€368 EUR
£324 GBP
View
A
Retailer 5
-
€376 EUR
View
A
Retailer 6
-
€400 EUR
$447 USD
View
B+
Retailer 7
-
€499 EUR
$557 USD
View
Retailer 8
-
€568 EUR
$635 USD
View
Price last confirmed 26 days ago
B
Retailer 9
-
€703 EUR
$785 USD
View
Retailer 10
-
€957 EUR
£842 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21313111A · Oct 31
€1,003 EUR
$1,120 USD
View
10 more retailers have this diamond
Prices start from €183 EURSave up to €819 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
1.23ct Cushion
€183 EUR