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Round|Lab Grown|IGI

12.03ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG808634333

Shape and cutting style on the report: Round rose cut

Certificate IGI LG808634333

Diamond specifications and retailer prices

From £3,427 GBP
$4,592 USD
As of October 26, 2026
Save £4,930 GBP (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £8,357 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.03ct lab-grown round diamond

This 12.03ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG808634333 or 808634333. Listed at 3 retailers as of October 26, 2026, with prices from £3,427 to £8,357, a £4,930 spread on the same certified stone. Taylor and Hart lists it at £8,357. 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

12.03
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG808634333
Dimensions17.95 × 17.88 × 3.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.95 mm17.88 mm12.03 ctF / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG808634333
Side View
TableCrownGirdle: THN-THKPavilionCulet: NoneDepth

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £3,427 GBP|Low: £3,427 GBP|High: £8,357 GBP|Avg: £5,930 GBP|-24.3%
Retailer 1
Retailer 2
Taylor and Hart
October 26, 2026
Retailer 1£3,427 GBP
Retailer 2£6,096 GBP
Taylor and Hart£8,357 GBP

8 data points across 3 retailers

3 retailers£3,427 GBP to £8,357 GBP

B+
Cheapest Retailer
-
£3,427 GBP
$4,592 USD
B
Retailer 2
-
£6,096 GBP
$8,168 USD
View
Most Expensive
C
Taylor and Hart
AI5POAU · Oct 31
£8,357 GBP
$11,198 USD
View
2 more retailers have this diamond
Prices start from £3,427 GBPSave up to £4,930 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+
12.03ct Round
£3,427 GBP