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Cushion|Lab Grown|IGI

3.01ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG849660488

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG849660488

Diamond specifications and retailer prices

From £232 GBP
As of November 6, 2026
Save £1,651 GBP (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,883 GBP at Brilliant Earth · As of November 6, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849660488 or 849660488. Listed at 3 retailers as of November 6, 2026, with prices from £232 to £1,883, a £1,651 spread on the same certified stone. Brilliant Earth lists it at £1,883. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.01
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849660488
Dimensions9.82 × 7.58 × 5.03 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
9.82 mm7.58 mm3.01 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849660488
Side View
Table 62.0%Crown 36.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,883 GBP|Low: £232 GBP|High: £1,883 GBP|Avg: £1,026 GBP
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£232 GBP
Retailer 2£463 GBP
Brilliant Earth£1,883 GBP

8 data points across 3 retailers

3 retailers£232 GBP to £1,883 GBP

A
Cheapest Retailer
-
£232 GBP
Final sale: no returns
A
Retailer 2
-
£463 GBP
View
Most Expensive
B
Brilliant Earth
22363461A · Nov 6
£1,883 GBP
$2,520 USD
View
2 more retailers have this diamond
Prices start from £232 GBPSave up to £1,651 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
£232 GBP