Round|Lab Grown|IGI

12.03ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG792640845

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792640845

Diamond specifications and retailer prices

From £9,948 GBP
$13,329 USD
As of October 26, 2026
5 retailers carry this diamond
Most expensive: £9,948 GBP at Taylor and Hart
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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792640845 or 792640845. Listed at 5 retailers as of October 26, 2026. 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
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792640845
Dimensions14.71 × 14.63 × 8.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.71 mm14.63 mm12.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG792640845
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: £3,744 GBP|Low: £2,916 GBP|High: £11,058 GBP|Avg: £6,032 GBP|-8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 26, 2026
Retailer 2£3,026 GBP
Retailer 1£3,744 GBP
Retailer 3£4,409 GBP
Retailer 4£7,163 GBP
Taylor and Hart£9,948 GBP

31 data points across 5 retailers

5 retailers

Retailer 1
-
£3,026 GBP
$4,054 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£3,744 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£4,409 GBP
$5,908 USD
View
Price last confirmed 10 days ago
B
Retailer 4
-
£7,163 GBP
$9,598 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Taylor and Hart
1IQSQ0Y · Oct 26
£9,948 GBP
$13,329 USD
View
4 more retailers have this diamond

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
12.03ct Round
£9,948 GBP