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Cushion|Lab Grown|IGI

1.31ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG772603946

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG772603946

Diamond specifications and retailer prices

From $430 USD
As of October 29, 2026
Save $1,512 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,410 USD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore 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 LG772603946 or 772603946. Listed at 13 retailers as of October 29, 2026, with a 352% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772603946
Dimensions8.09 × 5.94 × 3.65 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm5.94 mm1.31 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772603946
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 37.7°Culet: LargeDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,281 USD|Low: $430 USD|High: $3,410 USD|Avg: $938 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$430 USD
Retailer 2$538 USD
Retailer 8$540 USD
Retailer 3$623 USD
Retailer 11$632 USD
Retailer 4$864 USD
Retailer 7$903 USD
Retailer 10$1,180 USD
Retailer 1$1,281 USD
Retailer 9$1,539 USD
Retailer 6$1,942 USD

44 data points across 11 retailers

13 retailers$430 USD to $1,942 USD

A
Cheapest Retailer
-
$430 USD
Final sale: no returns
A
Retailer 2
-
$540 USD
View
A
Retailer 3
-
$623 USD
View
B+
Retailer 4
-
$632 USD
View
B+
Retailer 5
-
$864 USD
£680 GBP
View
B+
Retailer 6
-
$903 USD
ZAR 14,596 ZAR
View
Retailer 7
-
$1,180 USD
A$1,815 AUD
View
Price last confirmed 25 days ago
B
Retailer 8
-
$1,281 USD
A$1,971 AUD
View
B
Retailer 9
-
$1,539 USD
£1,212 GBP
View
B
Retailer 10
-
$1,773 USD
View
B
Retailer 11
-
$1,842 USD
View
B
Retailer 12
-
$1,942 USD
£1,529 GBP
View
Most Expensive
Do Amore Diamonds
27-915A488BA · Oct 28
$3,410 USD
View
Price under review
12 more retailers have this diamond
Prices start from $430 USDSave up to $1,512 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
$430 USD