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Cushion|Lab Grown|IGI

1.31ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG681580361

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG681580361

Diamond specifications and retailer prices

From €350 EUR
$393 USD
As of November 2, 2026
Save €548 EUR (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,270 EUR at MOH London · As of October 19, 2026
View at MOH London

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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG681580361 or 681580361. Listed at 6 retailers as of October 29, 2026, with a 157% 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
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681580361
Dimensions7.50 × 5.78 × 3.90 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm5.78 mm1.31 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681580361
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €1,270 EUR|Low: €350 EUR|High: €1,270 EUR|Avg: €670 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6€350 EUR
Retailer 7€382 EUR
Retailer 5€476 EUR
Retailer 2€496 EUR
Retailer 10€515 EUR
Retailer 11€602 EUR
Retailer 3€821 EUR
Retailer 4€899 EUR
Retailer 8€968 EUR
Retailer 9€1,037 EUR
MOH London€1,270 EUR

15 data points across 11 retailers

6 retailers€350 EUR to €899 EUR

A
Cheapest Retailer
-
€350 EUR
$393 USD
A
Retailer 2
-
€382 EUR
$428 USD
View
A
Retailer 3
-
€476 EUR
$534 USD
View
A
Retailer 4
-
€496 EUR
View
B
Retailer 5
-
€899 EUR
A$1,551 AUD
View
Most Expensive
MOH London
LG681580361 · Oct 19
€1,270 EUR
£1,122 GBP
View
Price last confirmed 14 days ago
5 more retailers have this diamond
Prices start from €350 EURSave up to €548 EUR

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
€350 EUR