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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 $602 SGD
$471 USD
As of October 30, 2026
Save $1,047 SGD (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,649 SGD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $602 to $1,649, a $1,047 spread on the same certified stone. Brilliant Earth lists it at $1,649. 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
Colour
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: $1,649 SGD|Low: $485 SGD|High: $2,493 SGD|Avg: $1,093 SGD|-33.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$602 SGD
Retailer 6$643 SGD
Retailer 7$667 SGD
Retailer 4$670 SGD
Retailer 2$741 SGD
Retailer 9$1,303 SGD
Retailer 8$1,472 SGD
Retailer 3$1,572 SGD
Brilliant Earth$1,649 SGD

30 data points across 9 retailers

9 retailers$602 SGD to $1,649 SGD

A
Cheapest Retailer
-
$602 SGD
$471 USD
A
Retailer 2
-
$643 SGD
$503 USD
View
A
Retailer 3
-
$667 SGD
$522 USD
View
A
Retailer 4
-
$670 SGD
ZAR 8,468 ZAR
View
A
Retailer 5
-
$741 SGD
£456 GBP
View
Retailer 6
-
$1,303 SGD
$1,019 USD
View
Price last confirmed 52 days ago
B
Retailer 7
-
$1,472 SGD
$1,152 USD
View
B
Retailer 8
-
$1,572 SGD
£968 GBP
View
Most Expensive
B
Brilliant Earth
21523618Y · Oct 30
$1,649 SGD
$1,290 USD
View
8 more retailers have this diamond
Prices start from $602 SGDSave up to $1,047 SGD

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
$602 SGD