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11.99ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG808634335

Shape and cutting style on the report: Round rose cut

Certificate IGI LG808634335

Diamond specifications and retailer prices

From £3,414 GBP
$4,575 USD
As of November 1, 2026
Save £4,915 GBP (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £8,330 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.99ct lab-grown round diamond

This 11.99ct 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 LG808634335 or 808634335. Listed at 3 retailers as of October 31, 2026, with prices from £3,414 to £8,330, a £4,915 spread on the same certified stone. Taylor and Hart lists it at £8,330. 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

11.99
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG808634335
Dimensions17.69 × 17.66 × 3.87 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
17.69 mm17.66 mm11.99 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG808634335
Side View
TableCrownGirdle: STK-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: Nov 1
Current: £3,414 GBP|Low: £3,414 GBP|High: £11,021 GBP|Avg: £6,995 GBP|-24.3%
Retailer 1
Retailer 2
Taylor and Hart
October 26, 2026
Retailer 1£3,414 GBP
Retailer 2£6,076 GBP
Taylor and Hart£8,330 GBP

7 data points across 3 retailers

3 retailers£3,414 GBP to £8,330 GBP

B+
Cheapest Retailer
-
£3,414 GBP
$4,575 USD
B
Retailer 2
-
£6,076 GBP
$8,141 USD
View
Most Expensive
C
Taylor and Hart
TVH6XEP · Oct 31
£8,330 GBP
$11,161 USD
View
2 more retailers have this diamond
Prices start from £3,414 GBPSave up to £4,915 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+
11.99ct Round
£3,414 GBP