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Cushion|Lab Grown|IGI

2.97ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG828656019

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG828656019

Diamond specifications and retailer prices

From £344 GBP
As of November 4, 2026
Save £916 GBP (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,260 GBP at Brilliance · As of November 4, 2026
View at Brilliance

About this 2.97ct lab-grown cushion diamond

This 2.97ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828656019 or 828656019. Listed at 3 retailers as of November 4, 2026, with prices from £344 to £1,260, a £916 spread on the same certified stone. Brilliance lists it at £1,260. 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

2.97
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828656019
Dimensions8.45 × 8.26 × 5.59 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.45 mm8.26 mm2.97 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828656019
Side View
Table 61.0%Crown 34.6°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,260 GBP|Low: £344 GBP|High: £1,260 GBP|Avg: £746 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3£344 GBP
Retailer 5£481 GBP
Retailer 2£490 GBP
Retailer 4£631 GBP
Retailer 6£908 GBP
Retailer 7£1,222 GBP
Brilliance£1,260 GBP

12 data points across 7 retailers

3 retailers£344 GBP to £1,260 GBP

A
Cheapest Retailer
-
£344 GBP
Final sale: no returns
B+
Retailer 2
-
£490 GBP
View
Most Expensive
B+
Brilliance
D46440677 · Nov 4
£1,260 GBP
$1,701 USD
View
2 more retailers have this diamond
Prices start from £344 GBPSave up to £916 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
2.97ct Cushion
£344 GBP