Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG801691956

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801691956

Diamond specifications and retailer prices

From $657 USD
As of October 30, 2026
Save $2,517 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,174 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 LG801691956 or 801691956. Listed at 16 retailers as of October 29, 2026, with prices from $657 to $3,174, a $2,517 spread on the same certified stone. MOH London lists it at $3,174. 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 angle39.5°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801691956
Dimensions8.65 × 5.62 × 3.48 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.65 mm5.62 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801691956
Side View
Table 64.0%Crown 39.5°Girdle: MED-THKPavilion 32.8°Culet: NoneDepth 61.9%

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: $3,174 USD|Low: $657 USD|High: $3,195 USD|Avg: $1,580 USD|+3.5%
MOH London
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
October 30, 2026
Retailer 14$657 USD
Retailer 3$727 USD
Retailer 9$751 USD
Retailer 13$840 USD
Retailer 12$975 USD
Retailer 5$1,014 USD
Retailer 4$1,115 USD
Retailer 10$1,137 USD
Retailer 11$1,250 USD
Retailer 2$1,694 USD
Retailer 7$2,118 USD
Retailer 8$2,297 USD
Retailer 16$2,321 USD
Retailer 6$2,354 USD
Retailer 15$2,427 USD
MOH London$3,174 USD

42 data points across 16 retailers

16 retailers$657 USD to $3,174 USD

A
Cheapest Retailer
-
$657 USD
Final sale: no returns
Retailer 2
-
$727 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$751 USD
£591 GBP
View
A
Retailer 4
-
$840 USD
View
A
Retailer 5
-
$975 USD
View
A
Retailer 6
-
$1,014 USD
View
A
Retailer 7
-
$1,115 USD
View
A
Retailer 8
-
$1,137 USD
£895 GBP
View
A
Retailer 9
-
$1,250 USD
ZAR 20,190 ZAR
View
B+
Retailer 10
-
$1,694 USD
A$2,606 AUD
View
B+
Retailer 11
-
$2,118 USD
£1,668 GBP
View
B+
Retailer 12
-
$2,297 USD
SGD 3,104 SGD
View
B
Retailer 13
-
$2,321 USD
View
B
Retailer 14
-
$2,354 USD
View
B
Retailer 15
-
$2,427 USD
View
Most Expensive
B
MOH London
LG801691956 · Oct 29
$3,174 USD
£2,499 GBP
View
15 more retailers have this diamond
Prices start from $657 USDSave up to $2,517 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
$657 USD