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Cushion|Lab Grown|IGI

1.31ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG801674287

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801674287

Diamond specifications and retailer prices

From $2,380 USD
As of October 23, 2026
Save $230 USD (9%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,610 USD at Do Amore Diamonds · As of October 23, 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 LG801674287 or 801674287. Listed at 7 retailers as of October 23, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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 angle36.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801674287
Dimensions5.78 × 5.78 × 7.46 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.78 mm5.78 mm1.31 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801674287
Side View
Table 63.0%Crown 36.8°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 66.3%

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 23
Current: $2,610 USD|Low: $329 USD|High: $2,610 USD|Avg: $965 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 22, 2026
Retailer 11$329 USD
Retailer 2$493 USD
Retailer 12$520 USD
Retailer 5$543 USD
Retailer 10$597 USD
Retailer 7$600 USD
Retailer 3$708 USD
Retailer 15$870 USD
Retailer 6$936 USD
Retailer 8$990 USD
Retailer 4$1,095 USD
Retailer 13$1,226 USD
Retailer 14$1,310 USD
Retailer 9$1,622 USD
Do Amore Diamonds$2,610 USD

27 data points across 15 retailers

7 retailers$2,380 USD to $2,610 USD

A
Retailer 1
-
$493 USD
£388 GBP
Price last confirmed 7 days ago
A
Retailer 2
-
$520 USD
View
Price last confirmed 6 days ago
A
Retailer 3
-
$597 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$990 USD
A$1,523 AUD
View
Price last confirmed 10 days ago
B
Retailer 5
-
$1,622 USD
£1,277 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
$2,380 USD
View
Most Expensive
B
Do Amore Diamonds
27-3531A0CD6 · Oct 23
$2,610 USD
View
6 more retailers have this diamond
Prices start from $2,380 USDSave up to $230 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
$2,380 USD