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Marquise|Lab Grown|IGI

3.01ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • IGI LG849637368

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849637368

Diamond specifications and retailer prices

From £339 GBP
As of November 6, 2026
Save £1,671 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,010 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.01ct lab-grown marquise diamond

This 3.01ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG849637368 or 849637368. Listed at 11 retailers as of November 6, 2026, with prices from £339 to £2,010, a £1,671 spread on the same certified stone. Brilliant Earth lists it at £2,010. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.01
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849637368
Dimensions15.28 × 7.48 × 4.58 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.28 mm7.48 mm3.01 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849637368
Side View
Table 62.0%Crown 34.3°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,010 GBP|Low: £339 GBP|High: £2,010 GBP|Avg: £788 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8£339 GBP
Retailer 11£411 GBP
Retailer 4£456 GBP
Retailer 2£573 GBP
Retailer 7£575 GBP
Retailer 9£594 GBP
Retailer 5£610 GBP
Retailer 10£910 GBP
Retailer 3£1,195 GBP
Retailer 6£1,462 GBP
Brilliant Earth£2,010 GBP

7 data points across 11 retailers

11 retailers£339 GBP to £2,010 GBP

A
Cheapest Retailer
-
£339 GBP
Final sale: no returns
A
Retailer 2
-
£411 GBP
View
A
Retailer 3
-
£456 GBP
View
B+
Retailer 4
-
£573 GBP
View
B+
Retailer 5
-
£575 GBP
View
B+
Retailer 6
-
£594 GBP
View
A
Retailer 7
-
£610 GBP
View
B+
Retailer 8
-
£910 GBP
View
B
Retailer 9
-
£1,195 GBP
View
B
Retailer 10
-
£1,462 GBP
View
Most Expensive
B
Brilliant Earth
22383684A · Nov 6
£2,010 GBP
$2,690 USD
View
10 more retailers have this diamond
Prices start from £339 GBPSave up to £1,671 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 Marquise
£339 GBP