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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 $239 USD
As of October 30, 2026
Save $999 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,238 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 LG660409415 or 660409415. Listed at 14 retailers as of October 30, 2026, with prices from $239 to $1,238, a $999 spread on the same certified stone. Reve Diamonds lists it at $1,238. 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

How it works →
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: $1,063 USD|Low: $213 USD|High: $1,258 USD|Avg: $603 USD|-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$236 USD
Retailer 4$239 USD
Retailer 12$334 USD
Retailer 8$410 USD
Retailer 2$455 USD
Retailer 5$455 USD
Retailer 10$455 USD
Retailer 7$491 USD
Retailer 14$584 USD
Retailer 13$645 USD
Retailer 11$648 USD
Retailer 3$905 USD
Retailer 9$970 USD
Retailer 1$1,063 USD
Reve Diamonds$1,238 USD

40 data points across 15 retailers

14 retailers$239 USD to $1,238 USD

A
Cheapest Retailer
-
$239 USD
Final sale: no returns
Retailer 2
-
$334 USD
£263 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
$410 USD
€390 EUR
View
A
Retailer 4
-
$455 USD
View
A
Retailer 5
-
$455 USD
View
A
Retailer 6
-
$455 USD
ZAR 7,358 ZAR
View
B+
Retailer 7
-
$491 USD
£387 GBP
View
B+
Retailer 8
-
$584 USD
View
B+
Retailer 9
-
$645 USD
View
B+
Retailer 10
-
$648 USD
A$997 AUD
View
B
Retailer 11
-
$905 USD
View
B
Retailer 12
-
$970 USD
View
B
Retailer 13
-
$1,063 USD
£837 GBP
View
Most Expensive
B
Reve Diamonds
24CE72371 · Nov 1
$1,238 USD
View
13 more retailers have this diamond
Prices start from $239 USDSave up to $999 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
$239 USD