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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 $671 AUD
$471 USD
As of November 1, 2026
Save $1,166 AUD (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,836 AUD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $671 to $1,836, a $1,166 spread on the same certified stone. Brilliant Earth lists it at $1,836. 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

How it works →
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: Nov 1
Current: $1,836 AUD|Low: $540 AUD|High: $2,776 AUD|Avg: $1,213 AUD|-33.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$671 AUD
Retailer 6$716 AUD
Retailer 7$743 AUD
Retailer 4$746 AUD
Retailer 3$818 AUD
Retailer 9$1,451 AUD
Retailer 8$1,640 AUD
Retailer 2$1,741 AUD
Brilliant Earth$1,836 AUD

32 data points across 9 retailers

9 retailers$671 AUD to $1,836 AUD

A
Cheapest Retailer
-
$671 AUD
$471 USD
A
Retailer 2
-
$716 AUD
$503 USD
View
A
Retailer 3
-
$743 AUD
$522 USD
View
A
Retailer 4
-
$746 AUD
ZAR 8,468 ZAR
View
A
Retailer 5
-
$818 AUD
£453 GBP
View
Retailer 6
-
$1,451 AUD
$1,019 USD
View
Price last confirmed 53 days ago
B
Retailer 7
-
$1,640 AUD
$1,152 USD
View
B
Retailer 8
-
$1,741 AUD
£963 GBP
View
Most Expensive
B
Brilliant Earth
21523618Y · Oct 31
$1,836 AUD
$1,290 USD
View
8 more retailers have this diamond
Prices start from $671 AUDSave up to $1,166 AUD

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
$671 AUD