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Cushion|Lab Grown|IGI

1.31ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG803604756

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG803604756

Diamond specifications and retailer prices

From $471 USD
As of October 30, 2026
Save $1,419 USD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,890 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG803604756 or 803604756. Listed at 9 retailers as of October 28, 2026, with prices from $471 to $1,890, a $1,419 spread on the same certified stone. Brilliant Earth lists it at $1,890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803604756
Dimensions8.03 × 5.32 × 3.63 mm
L/W Ratio1.51
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
8.03 mm5.32 mm1.31 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803604756
Side View
Table 56.0%Crown 36.3°Girdle: MED-THKPavilion 32.5°Culet: NoneDepth 68.2%

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: $1,890 USD|Low: $379 USD|High: $1,950 USD|Avg: $857 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$471 USD
Retailer 6$503 USD
Retailer 7$522 USD
Retailer 4$524 USD
Retailer 2$580 USD
Retailer 9$1,019 USD
Retailer 8$1,152 USD
Retailer 3$1,229 USD
Brilliant Earth$1,890 USD

30 data points across 9 retailers

9 retailers$471 USD to $1,890 USD

A
Cheapest Retailer
-
$471 USD
A
Retailer 2
-
$503 USD
View
A
Retailer 3
-
$522 USD
View
A
Retailer 4
-
$524 USD
ZAR 8,468 ZAR
View
A
Retailer 5
-
$580 USD
£456 GBP
View
Retailer 6
-
$1,019 USD
View
Price last confirmed 51 days ago
B
Retailer 7
-
$1,152 USD
View
B+
Retailer 8
-
$1,229 USD
£968 GBP
View
Most Expensive
B
Brilliant Earth
21523618Y · Oct 28
$1,890 USD
View
8 more retailers have this diamond
Prices start from $471 USDSave up to $1,419 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
1.31ct Cushion
$471 USD