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12.04ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG831680940

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831680940

Diamond specifications and retailer prices

From £4,530 GBP
$6,070 USD
As of November 1, 2026
Save £6,204 GBP (58%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £10,734 GBP at Taylor and Hart · As of November 1, 2026
View at Taylor and Hart

About this 12.04ct lab-grown round diamond

This 12.04ct 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 LG831680940 or 831680940. Listed at 2 retailers as of November 1, 2026, with prices from £4,530 to £10,734, a £6,204 spread on the same certified stone. Taylor and Hart lists it at £10,734. 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

12.04
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831680940
Dimensions14.91 × 14.88 × 8.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.91 mm14.88 mm12.04 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831680940
Side View
Table 59.0%Crown 31.7°Girdle: MED-STKPavilion 40.6°CuletDepth 59.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £4,530 GBP|Low: £4,530 GBP|High: £10,734 GBP|Avg: £7,632 GBP
Retailer 1
Taylor and Hart
November 1, 2026
Retailer 1£4,530 GBP
Taylor and Hart£10,734 GBP

1 data point across 2 retailers

2 retailers£4,530 GBP to £10,734 GBP

B+
Cheapest Retailer
-
£4,530 GBP
$6,070 USD
Most Expensive
B
Taylor and Hart
43KIJFZ · Nov 1
£10,734 GBP
$14,382 USD
View
1 more retailer has this diamond
Prices start from £4,530 GBPSave up to £6,204 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+
12.04ct Round
£4,530 GBP