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Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG799692358

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799692358

Diamond specifications and retailer prices

From $644 USD
As of October 30, 2026
Save $1,074 USD (63%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,718 USD at MOH London · As of October 29, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799692358 or 799692358. Listed at 2 retailers as of October 29, 2026, with prices from $644 to $1,718, a $1,074 spread on the same certified stone. MOH London lists it at $1,718. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle30.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799692358
Dimensions7.78 × 5.58 × 3.99 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.78 mm5.58 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799692358
Side View
Table 60.0%Crown 33.7°Girdle: STK-VTKPavilion 30.7°Culet: NoneDepth 71.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,718 USD|Low: $644 USD|High: $1,915 USD|Avg: $1,369 USD|-5.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2$644 USD
Retailer 4$995 USD
Retailer 3$996 USD
Retailer 5$1,028 USD
Retailer 6$1,716 USD
MOH London$1,718 USD
Retailer 8$1,879 USD
Retailer 7$1,915 USD

12 data points across 8 retailers

2 retailers$644 USD to $1,718 USD

A
Cheapest Retailer
-
$644 USD
Most Expensive
B+
MOH London
LG799692358 · Oct 29
$1,718 USD
£1,353 GBP
View
1 more retailer has this diamond
Prices start from $644 USDSave up to $1,074 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
$644 USD