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Oval|Lab Grown|IGI

3.01ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG839682401

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839682401

Diamond specifications and retailer prices

From £259 GBP
$347 USD
As of October 29, 2026
Save £2,555 GBP (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,814 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.01ct lab-grown oval diamond

This 3.01ct lab-grown oval 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 LG839682401 or 839682401. Listed at 16 retailers as of October 29, 2026, with prices from £259 to £2,814, a £2,555 spread on the same certified stone. Brilliant Earth lists it at £2,814. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682401
Dimensions12.11 × 8.03 × 4.90 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.11 mm8.03 mm3.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682401
Side View
Table 63.0%Crown 31.1°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £2,814 GBP|Low: £259 GBP|High: £3,261 GBP|Avg: £798 GBP|-13.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 13£259 GBP
Retailer 7£300 GBP
Retailer 3£321 GBP
Retailer 16£321 GBP
Retailer 2£393 GBP
Retailer 12£433 GBP
Retailer 15£442 GBP
Retailer 10£537 GBP
Retailer 5£556 GBP
Retailer 9£577 GBP
Retailer 6£742 GBP
Retailer 14£942 GBP
Retailer 4£1,032 GBP
Retailer 8£1,064 GBP
Retailer 11£1,262 GBP
Brilliant Earth£2,814 GBP

21 data points across 16 retailers

16 retailers£259 GBP to £2,814 GBP

A
Cheapest Retailer
-
£259 GBP
$347 USD
A
Retailer 2
-
£300 GBP
$402 USD
View
A
Retailer 3
-
£321 GBP
$430 USD
View
Retailer 4
-
£321 GBP
$430 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£393 GBP
View
A
Retailer 6
-
£433 GBP
$580 USD
View
B+
Retailer 7
-
£442 GBP
$592 USD
View
A
Retailer 8
-
£537 GBP
€685 EUR
View
A
Retailer 9
-
£556 GBP
$745 USD
View
A
Retailer 10
-
£577 GBP
View
A
Retailer 11
-
£742 GBP
$994 USD
View
B+
Retailer 12
-
£942 GBP
$1,262 USD
View
B+
Retailer 13
-
£1,032 GBP
$1,383 USD
View
B+
Retailer 14
-
£1,064 GBP
$1,425 USD
View
B+
Retailer 15
-
£1,262 GBP
View
Most Expensive
B
Brilliant Earth
21735048A · Oct 31
£2,814 GBP
$3,770 USD
View
15 more retailers have this diamond
Prices start from £259 GBPSave up to £2,555 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 Oval
£259 GBP