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Cushion|Lab Grown|IGI

3.11ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG696546193

Certificate IGI LG696546193

Diamond specifications and retailer prices

From £4,793 GBP
As of November 3, 2026
Save £1,993 GBP (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £6,785 GBP at Zales · As of November 4, 2026
View at Zales

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG696546193 or 696546193. Listed at 4 retailers as of November 3, 2026, with prices from £4,793 to £6,785, a £1,993 spread on the same certified stone. Zales lists it at £6,785. 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

3.11
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG696546193
Dimensions8.54 × 8.40 × 5.75 mm
L/W Ratio1.02
Top View
8.54 mm8.40 mm3.11 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696546193
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 3
Current: £4,793 GBP|Low: £4,793 GBP|High: £7,593 GBP|Avg: £6,684 GBP
Retailer 1
Retailer 2
Retailer 3
Zales
September 26, 2026
Retailer 1£4,793 GBP
Retailer 3£5,659 GBP
Retailer 2£6,785 GBP
Zales£6,785 GBP

11 data points across 4 retailers

4 retailers£4,793 GBP to £6,785 GBP

B+
Cheapest Retailer
-
£4,793 GBP
B
Retailer 2
-
£5,659 GBP
View
B
Retailer 3
-
£6,785 GBP
View
Most Expensive
B
Zales
524985760 · Nov 4
£6,785 GBP
$9,160 USD
View
3 more retailers have this diamond
Prices start from £4,793 GBPSave up to £1,993 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+
3.11ct Cushion
£4,793 GBP