Cushion|Lab Grown|IGI

1.31ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG779661359

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG779661359

Diamond specifications and retailer prices

From $325 AUD
$228 USD
As of November 1, 2026
Save $1,393 AUD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,718 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG779661359 or 779661359. Listed at 13 retailers as of November 1, 2026, with prices from $325 to $1,718, a $1,393 spread on the same certified stone. Reve Diamonds 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

1.31
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779661359
Dimensions8.14 × 5.48 × 3.45 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.14 mm5.48 mm1.31 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779661359
Side View
Table 60.0%Crown 35.7°Girdle: STK-THKPavilion 32.2°Culet: NoneDepth 63.0%

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: $622 AUD|Low: $325 AUD|High: $1,718 AUD|Avg: $932 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 9$325 AUD
Retailer 6$441 AUD
Retailer 3$487 AUD
Retailer 1$622 AUD
Retailer 7$662 AUD
Retailer 12$820 AUD
Retailer 8$880 AUD
Retailer 11$907 AUD
Retailer 4$1,176 AUD
Retailer 2$1,234 AUD
Retailer 10$1,410 AUD
Retailer 5$1,683 AUD
Reve Diamonds$1,718 AUD

43 data points across 13 retailers

13 retailers$325 AUD to $1,718 AUD

A
Cheapest Retailer
-
$325 AUD
$228 USD
Final sale: no returns
A
Retailer 2
-
$441 AUD
£244 GBP
View
B+
Retailer 3
-
$487 AUD
$342 USD
View
Retailer 4
-
$622 AUD
ZAR 7,056 ZAR
View
A
Retailer 5
-
$662 AUD
£366 GBP
View
A
Retailer 6
-
$820 AUD
$576 USD
View
A
Retailer 7
-
$880 AUD
View
A
Retailer 8
-
$907 AUD
$637 USD
View
B+
Retailer 9
-
$1,176 AUD
SGD 1,116 SGD
View
B+
Retailer 10
-
$1,234 AUD
$867 USD
View
B+
Retailer 11
-
$1,410 AUD
£780 GBP
View
B
Retailer 12
-
$1,683 AUD
£931 GBP
View
Most Expensive
B
Reve Diamonds
24DADD760 · Nov 1
$1,718 AUD
$1,207 USD
View
12 more retailers have this diamond
Prices start from $325 AUDSave up to $1,393 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
$325 AUD