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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 $206 USD
As of October 30, 2026
Save $939 USD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,145 USD 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 $206 to $1,145, a $939 spread on the same certified stone. Reve Diamonds lists it at $1,145. 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: $1,071 USD|Low: $206 USD|High: $1,162 USD|Avg: $604 USD|-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$206 USD
Retailer 11$288 USD
Retailer 9$393 USD
Retailer 5$404 USD
Retailer 7$410 USD
Retailer 6$414 USD
Retailer 3$445 USD
Retailer 13$552 USD
Retailer 10$559 USD
Retailer 12$685 USD
Retailer 4$790 USD
Retailer 8$970 USD
Retailer 1$1,071 USD
Reve Diamonds$1,145 USD

40 data points across 14 retailers

16 retailers$206 USD to $1,145 USD

A
Cheapest Retailer
-
$206 USD
Final sale: no returns
Retailer 2
-
$288 USD
£227 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
$393 USD
ZAR 6,354 ZAR
View
A
Retailer 4
-
$404 USD
View
A
Retailer 5
-
$410 USD
€390 EUR
View
A
Retailer 6
-
$414 USD
£326 GBP
View
A
Retailer 7
-
$445 USD
View
B+
Retailer 8
-
$552 USD
View
B+
Retailer 9
-
$559 USD
A$860 AUD
View
B+
Retailer 10
-
$645 USD
View
B+
Retailer 11
-
$665 USD
View
Retailer 12
-
$685 USD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
$790 USD
View
B
Retailer 14
-
$970 USD
View
B
Retailer 15
-
$1,071 USD
£843 GBP
View
Most Expensive
B
Reve Diamonds
81324BB9D · Nov 1
$1,145 USD
View
15 more retailers have this diamond
Prices start from $206 USDSave up to $939 USD

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
$206 USD