Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG813661595

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813661595

Diamond specifications and retailer prices

From $311 USD
£245 GBP
As of November 1, 2026
Save $1,784 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,096 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813661595 or 813661595. Listed at 18 retailers as of October 27, 2026, with prices from $311 to $2,096, a $1,784 spread on the same certified stone. Queensmith lists it at $2,096. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813661595
Dimensions7.11 × 6.20 × 4.12 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm6.20 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813661595
Side View
Table 66.0%Crown 32.4°Girdle: STK-VTKPavilion 37.2°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,067 USD|Low: $311 USD|High: $1,450 USD|Avg: $757 USD|-0.6%
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
Retailer 15
November 1, 2026
Retailer 8$311 USD
Retailer 10$432 USD
Retailer 11$457 USD
Retailer 13$457 USD
Retailer 9$493 USD
Retailer 3$523 USD
Retailer 14$622 USD
Retailer 7$626 USD
Retailer 12$894 USD
Retailer 5$968 USD
Retailer 4$1,010 USD
Retailer 2$1,036 USD
Retailer 1$1,067 USD
Retailer 6$1,241 USD
Retailer 15$1,330 USD

34 data points across 15 retailers

18 retailers$311 USD to $2,096 USD

A
Cheapest Retailer
-
$311 USD
£245 GBP
A
Retailer 2
-
$432 USD
€411 EUR
View
A
Retailer 3
-
$457 USD
View
A
Retailer 4
-
$457 USD
ZAR 7,390 ZAR
View
A
Retailer 5
-
$493 USD
£388 GBP
View
A
Retailer 6
-
$521 USD
View
A
Retailer 7
-
$523 USD
View
A
Retailer 8
-
$622 USD
A$957 AUD
View
Retailer 9
-
$626 USD
View
Price last confirmed 20 days ago
B+
Retailer 10
-
$894 USD
A$1,375 AUD
View
B
Retailer 11
-
$909 USD
View
B+
Retailer 12
-
$968 USD
View
Retailer 13
-
$1,010 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,036 USD
£816 GBP
View
B+
Retailer 15
-
$1,067 USD
£840 GBP
View
B
Retailer 16
-
$1,241 USD
View
Retailer 17
-
$1,330 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
LG813661595 · Oct 27
$2,096 USD
£1,650 GBP
View
17 more retailers have this diamond
Prices start from $311 USDSave up to $1,784 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
$311 USD