Cushion|Lab Grown|IGI

1.23ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG660409415

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG660409415

Diamond specifications and retailer prices

From €214 EUR
$239 USD
As of October 30, 2026
Save €894 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,108 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG660409415 or 660409415. Listed at 14 retailers as of October 30, 2026, with prices from €214 to €1,108, a €894 spread on the same certified stone. Reve Diamonds lists it at €1,108. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660409415
Dimensions6.35 × 6.20 × 4.07 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.35 mm6.20 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660409415
Side View
Table 63.0%Crown 36.3°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 65.6%

Caratlytics Score

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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: €951 EUR|Low: €191 EUR|High: €1,126 EUR|Avg: €540 EUR|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
November 1, 2026
Retailer 6€211 EUR
Retailer 4€214 EUR
Retailer 12€299 EUR
Retailer 8€367 EUR
Retailer 2€407 EUR
Retailer 5€407 EUR
Retailer 10€408 EUR
Retailer 7€439 EUR
Retailer 14€523 EUR
Retailer 13€577 EUR
Retailer 11€580 EUR
Retailer 3€810 EUR
Retailer 9€868 EUR
Retailer 1€951 EUR
Reve Diamonds€1,108 EUR

40 data points across 15 retailers

14 retailers€214 EUR to €1,108 EUR

A
Cheapest Retailer
-
€214 EUR
$239 USD
Final sale: no returns
Retailer 2
-
€299 EUR
£263 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
€367 EUR
View
A
Retailer 4
-
€407 EUR
$455 USD
View
A
Retailer 5
-
€407 EUR
$455 USD
View
A
Retailer 6
-
€408 EUR
ZAR 7,358 ZAR
View
B+
Retailer 7
-
€439 EUR
£387 GBP
View
B+
Retailer 8
-
€523 EUR
$584 USD
View
B+
Retailer 9
-
€577 EUR
$645 USD
View
B+
Retailer 10
-
€580 EUR
A$997 AUD
View
B
Retailer 11
-
€810 EUR
$905 USD
View
B
Retailer 12
-
€868 EUR
$970 USD
View
B
Retailer 13
-
€951 EUR
£837 GBP
View
Most Expensive
B
Reve Diamonds
24CE72371 · Nov 1
€1,108 EUR
$1,238 USD
View
13 more retailers have this diamond
Prices start from €214 EURSave up to €894 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
€214 EUR