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Round|Lab Grown|IGI

12.01ct F VS1 Round Lab Grown Diamond

VG • F/VS1 • IGI LG846639649

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846639649

Diamond specifications and retailer prices

From £2,118 GBP
As of November 1, 2026
Save £7,067 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £9,185 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.01ct lab-grown round diamond

This 12.01ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG846639649 or 846639649. Listed at 12 retailers as of October 31, 2026, with prices from £2,118 to £9,185, a £7,067 spread on the same certified stone. Taylor and Hart lists it at £9,185. 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

12.01
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846639649
Dimensions15.24 × 15.16 × 8.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.24 mm15.16 mm12.01 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846639649
Side View
Table 66.0%Crown 30.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 55.1%

Caratlytics Score

How it works →
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 1
Current: £3,478 GBP|Low: £2,118 GBP|High: £9,185 GBP|Avg: £4,849 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 2, 2026
Retailer 5£2,118 GBP
Retailer 2£2,546 GBP
Retailer 7£2,638 GBP
Retailer 1£3,478 GBP
Retailer 9£3,712 GBP
Retailer 6£4,082 GBP
Retailer 8£4,098 GBP
Retailer 4£4,887 GBP
Retailer 3£6,625 GBP
Retailer 10£7,080 GBP
Retailer 11£7,313 GBP
Taylor and Hart£9,185 GBP

16 data points across 12 retailers

12 retailers£2,118 GBP to £9,185 GBP

A
Cheapest Retailer
-
£2,118 GBP
A
Retailer 2
-
£2,546 GBP
$3,412 USD
View
Final sale: no returns
A
Retailer 3
-
£2,638 GBP
$3,535 USD
View
A
Retailer 4
-
£3,478 GBP
View
B+
Retailer 5
-
£3,712 GBP
$4,974 USD
View
B+
Retailer 6
-
£4,082 GBP
ZAR 88,357 ZAR
View
Retailer 7
-
£4,098 GBP
$5,491 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
£4,887 GBP
A$10,073 AUD
View
B
Retailer 9
-
£6,625 GBP
$8,877 USD
View
B
Retailer 10
-
£7,080 GBP
$9,486 USD
View
B
Retailer 11
-
£7,313 GBP
$9,799 USD
View
Most Expensive
B
Taylor and Hart
JKHCU05 · Oct 31
£9,185 GBP
$12,307 USD
View
11 more retailers have this diamond
Prices start from £2,118 GBPSave up to £7,067 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
12.01ct Round
£2,118 GBP