Cushion|Lab Grown|IGI

1.51ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG726538837

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

Certificate IGI LG726538837

Diamond specifications and retailer prices

From $277 USD
As of October 30, 2026
Save $2,270 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,590 USD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG726538837 or 726538837. Listed at 18 retailers as of October 30, 2026, with a 819% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726538837
Dimensions6.57 × 6.56 × 4.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm6.56 mm1.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726538837
Side View
Table 65.0%Crown 36.7°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 67.5%

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: $2,590 USD|Low: $277 USD|High: $2,590 USD|Avg: $768 USD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4$277 USD
Retailer 15$308 USD
Retailer 2$327 USD
Retailer 6$415 USD
Retailer 9$520 USD
Retailer 13$529 USD
Retailer 16$558 USD
Retailer 10$586 USD
Retailer 11$599 USD
Retailer 17$621 USD
Retailer 14$718 USD
Retailer 8$949 USD
Retailer 3$1,042 USD
Retailer 7$1,087 USD
Retailer 12$1,241 USD
Retailer 5$1,348 USD
Brilliant Earth$2,590 USD

28 data points across 17 retailers

18 retailers$277 USD to $2,547 USD

A
Cheapest Retailer
-
$277 USD
Final sale: no returns
A
Retailer 2
-
$308 USD
View
A
Retailer 3
-
$327 USD
£257 GBP
View
B+
Retailer 4
-
$415 USD
View
Retailer 5
-
$520 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$529 USD
ZAR 8,549 ZAR
View
A
Retailer 7
-
$558 USD
View
A
Retailer 8
-
$586 USD
£461 GBP
View
A
Retailer 9
-
$599 USD
€570 EUR
View
A
Retailer 10
-
$621 USD
View
A
Retailer 11
-
$718 USD
A$1,104 AUD
View
B+
Retailer 12
-
$949 USD
View
B+
Retailer 13
-
$1,042 USD
View
B+
Retailer 14
-
$1,087 USD
SGD 1,469 SGD
View
B+
Retailer 15
-
$1,241 USD
£977 GBP
View
B
Retailer 16
-
$1,348 USD
View
B
Retailer 17
-
$2,547 USD
View
Most Expensive
Brilliant Earth
16346410A · Oct 22
$2,590 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $277 USDSave up to $2,270 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
1.51ct Cushion
$277 USD