Radiant|Lab Grown|IGI

12.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1

Diamond specifications and retailer prices

From £3,280 GBP
CA$6,114 CAD
As of October 30, 2026
Save £5,397 GBP (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £8,678 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 12.03ct lab-grown radiant diamond

This 12.03ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from £3,280 to £8,678, a £5,397 spread on the same certified stone. The Diamond Guys lists it at £8,678. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions16.48 × 11.28 × 7.40 mm
L/W Ratio1.46
Top View
16.48 mm11.28 mm12.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 67.0%CrownGirdle: MediumPavilionCulet: NoneDepth 65.6%

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 30
Current: £3,168 GBP|Low: £1,958 GBP|High: £8,678 GBP|Avg: £3,851 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
October 14, 2026
Retailer 7£1,961 GBP
Retailer 4£2,902 GBP
Retailer 1£3,168 GBP
Retailer 8£3,280 GBP
Retailer 2£3,507 GBP
Retailer 5£3,507 GBP
Retailer 3£3,620 GBP
Retailer 6£3,744 GBP
The Diamond Guys£8,678 GBP

5 data points across 9 retailers

5 retailers£3,280 GBP to £8,678 GBP

Retailer 1
-
£1,961 GBP
$2,632 USD
Price last confirmed 37 days ago
Retailer 2
-
£3,168 GBP
$4,251 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£3,280 GBP
CA$6,114 CAD
View
B+
Retailer 4
-
£3,620 GBP
$4,858 USD
View
Most Expensive
B
The Diamond Guys
1975047928 · Nov 1
£8,678 GBP
$11,645 USD
View
4 more retailers have this diamond
Prices start from £3,280 GBPSave up to £5,397 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 Radiant
£3,280 GBP