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Cushion|Lab Grown|IGI

1.23ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG648473857

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG648473857

Diamond specifications and retailer prices

From €184 EUR
$206 USD
As of October 30, 2026
Save €840 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,025 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 LG648473857 or 648473857. Listed at 16 retailers as of October 30, 2026, with prices from €184 to €1,025, a €840 spread on the same certified stone. Reve Diamonds lists it at €1,025. 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 angle35.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648473857
Dimensions6.27 × 6.19 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.27 mm6.19 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648473857
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.0%

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: €958 EUR|Low: €184 EUR|High: €1,040 EUR|Avg: €541 EUR|-3.9%
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
Reve Diamonds
November 1, 2026
Retailer 2€184 EUR
Retailer 11€258 EUR
Retailer 9€352 EUR
Retailer 5€362 EUR
Retailer 7€367 EUR
Retailer 6€371 EUR
Retailer 3€398 EUR
Retailer 13€494 EUR
Retailer 10€500 EUR
Retailer 12€613 EUR
Retailer 4€708 EUR
Retailer 8€868 EUR
Retailer 1€958 EUR
Reve Diamonds€1,025 EUR

40 data points across 14 retailers

16 retailers€184 EUR to €1,025 EUR

A
Cheapest Retailer
-
€184 EUR
$206 USD
Final sale: no returns
Retailer 2
-
€258 EUR
£227 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
€352 EUR
ZAR 6,354 ZAR
View
A
Retailer 4
-
€362 EUR
$404 USD
View
A
Retailer 5
-
€367 EUR
View
A
Retailer 6
-
€371 EUR
£326 GBP
View
A
Retailer 7
-
€398 EUR
$445 USD
View
B+
Retailer 8
-
€494 EUR
$552 USD
View
B+
Retailer 9
-
€500 EUR
A$860 AUD
View
B+
Retailer 10
-
€577 EUR
$645 USD
View
B+
Retailer 11
-
€595 EUR
$665 USD
View
Retailer 12
-
€613 EUR
$685 USD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
€708 EUR
$790 USD
View
B
Retailer 14
-
€868 EUR
$970 USD
View
B
Retailer 15
-
€958 EUR
£843 GBP
View
Most Expensive
B
Reve Diamonds
81324BB9D · Nov 1
€1,025 EUR
$1,145 USD
View
15 more retailers have this diamond
Prices start from €184 EURSave up to €840 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
€184 EUR