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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 $228 USD
As of October 28, 2026
Save $979 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,207 USD at Reve Diamonds · As of October 28, 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 October 28, 2026, with prices from $228 to $1,207, a $979 spread on the same certified stone. Reve Diamonds lists it at $1,207. 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 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: Oct 28
Current: $465 USD|Low: $228 USD|High: $1,207 USD|Avg: $650 USD|-2.0%
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
October 29, 2026
Retailer 9$228 USD
Retailer 6$312 USD
Retailer 3$342 USD
Retailer 8$428 USD
Retailer 1$465 USD
Retailer 12$576 USD
Retailer 7$618 USD
Retailer 11$637 USD
Retailer 4$826 USD
Retailer 2$867 USD
Retailer 10$991 USD
Retailer 5$1,189 USD
Reve Diamonds$1,207 USD

42 data points across 13 retailers

13 retailers$228 USD to $1,207 USD

A
Cheapest Retailer
-
$228 USD
Final sale: no returns
A
Retailer 2
-
$312 USD
£245 GBP
View
B+
Retailer 3
-
$342 USD
View
A
Retailer 4
-
$428 USD
ZAR 6,911 ZAR
View
A
Retailer 5
-
$465 USD
£366 GBP
View
A
Retailer 6
-
$576 USD
View
A
Retailer 7
-
$618 USD
A$951 AUD
View
A
Retailer 8
-
$637 USD
View
B+
Retailer 9
-
$826 USD
SGD 1,116 SGD
View
B+
Retailer 10
-
$867 USD
View
B+
Retailer 11
-
$991 USD
£780 GBP
View
B
Retailer 12
-
$1,189 USD
£936 GBP
View
Most Expensive
B
Reve Diamonds
24DADD760 · Oct 28
$1,207 USD
View
12 more retailers have this diamond
Prices start from $228 USDSave up to $979 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
$228 USD