Cushion|Lab Grown|IGI

3.01ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG843671378

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843671378

Diamond specifications and retailer prices

From £427 GBP
As of October 31, 2026
Save £1,884 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,311 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843671378 or 843671378. Listed at 18 retailers as of October 29, 2026, with prices from £427 to £2,311, a £1,884 spread on the same certified stone. Brilliant Earth lists it at £2,311. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.01
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843671378
Dimensions9.51 × 7.30 × 4.92 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.51 mm7.30 mm3.01 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843671378
Side View
Table 61.0%Crown 34.4°Girdle: MED-THKPavilion 31.9°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £2,311 GBP|Low: £355 GBP|High: £2,311 GBP|Avg: £1,069 GBP
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 4£355 GBP
Retailer 12£427 GBP
Retailer 16£450 GBP
Retailer 15£593 GBP
Retailer 2£597 GBP
Retailer 6£615 GBP
Retailer 7£619 GBP
Retailer 17£644 GBP
Retailer 18£829 GBP
Retailer 19£845 GBP
Retailer 3£866 GBP
Retailer 14£1,236 GBP
Retailer 11£1,287 GBP
Retailer 8£1,422 GBP
Retailer 9£1,451 GBP
Retailer 5£1,471 GBP
Retailer 13£1,681 GBP
Retailer 10£1,789 GBP
Brilliant Earth£2,311 GBP

12 data points across 19 retailers

18 retailers£427 GBP to £2,311 GBP

A
Cheapest Retailer
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£427 GBP
Retailer 2
-
£450 GBP
View
Price last confirmed 9 days ago
Retailer 3
-
£593 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£597 GBP
View
Retailer 5
-
£615 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£619 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
£644 GBP
View
Price last confirmed 9 days ago
Retailer 8
-
£829 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
£845 GBP
View
Price last confirmed 12 days ago
Retailer 10
-
£866 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£1,236 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
£1,287 GBP
View
Price last confirmed 9 days ago
Retailer 13
-
£1,422 GBP
View
Price last confirmed 11 days ago
Retailer 14
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£1,451 GBP
View
Price last confirmed 17 days ago
Retailer 15
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£1,471 GBP
View
Price last confirmed 10 days ago
Retailer 16
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£1,681 GBP
View
Price last confirmed 8 days ago
Retailer 17
-
£1,789 GBP
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21836305A · Oct 29
£2,311 GBP
$3,120 USD
View
17 more retailers have this diamond
Prices start from £427 GBPSave up to £1,884 GBP

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
3.01ct Cushion
£427 GBP