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Cushion|Lab Grown|IGI

4.31ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG801647106

Certificate IGI LG801647106

Diamond specifications and retailer prices

From £3,528 GBP
$4,727 USD
As of October 31, 2026
Save £1,547 GBP (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,075 GBP at Kay Jewelers · As of November 1, 2026
View at Kay Jewelers

About this 4.31ct lab-grown cushion diamond

This 4.31ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG801647106 or 801647106. Listed at 4 retailers as of October 31, 2026, with prices from £3,528 to £5,075, a £1,547 spread on the same certified stone. Kay Jewelers lists it at £5,075. 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

4.31
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG801647106
Dimensions9.84 × 9.48 × 6.28 mm
L/W Ratio1.04
Top View
9.84 mm9.48 mm4.31 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801647106
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 66.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £5,075 GBP|Low: £3,528 GBP|High: £5,075 GBP|Avg: £4,611 GBP
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 26, 2026
Retailer 2£3,528 GBP
Retailer 3£4,224 GBP
Kay Jewelers£5,075 GBP
Retailer 4£5,075 GBP

2 data points across 4 retailers

4 retailers£3,528 GBP to £5,075 GBP

B
Cheapest Retailer
-
£3,528 GBP
$4,727 USD
B
Retailer 2
-
£4,224 GBP
$5,660 USD
View
B
Retailer 3
-
£5,075 GBP
$6,800 USD
View
Most Expensive
B
Kay Jewelers
259211377 · Nov 1
£5,075 GBP
$6,800 USD
View
3 more retailers have this diamond
Prices start from £3,528 GBPSave up to £1,547 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.

B
4.31ct Cushion
£3,528 GBP