CaratHunter
Plans
Radiant|Lab Grown|IGI

12.08ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG818626609

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818626609

Diamond specifications and retailer prices

From £1,994 GBP
HK$20,900 HKD
As of November 1, 2026
Save £6,429 GBP (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £8,423 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 12.08ct lab-grown radiant diamond

This 12.08ct 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 LG818626609 or 818626609. Listed at 9 retailers as of November 1, 2026, with prices from £1,994 to £8,423, a £6,429 spread on the same certified stone. With Clarity lists it at £8,423. 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

12.08
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818626609
Dimensions16.90 × 11.38 × 7.36 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.90 mm11.38 mm12.08 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818626609
Side View
Table 67.0%Crown 41.5°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,673 GBP|Low: £1,994 GBP|High: £10,471 GBP|Avg: £5,016 GBP|-20.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 2, 2026
Retailer 7£1,994 GBP
Retailer 2£2,308 GBP
Retailer 5£2,649 GBP
Retailer 1£2,673 GBP
Retailer 4£4,397 GBP
Retailer 8£5,924 GBP
Retailer 3£6,426 GBP
Retailer 6£6,935 GBP
With Clarity£8,423 GBP

41 data points across 9 retailers

9 retailers£1,994 GBP to £8,423 GBP

A
Cheapest Retailer
-
£1,994 GBP
HK$20,900 HKD
A
Retailer 2
-
£2,308 GBP
View
B+
Retailer 3
-
£2,649 GBP
$3,555 USD
View
A
Retailer 4
-
£2,673 GBP
€3,416 EUR
View
B+
Retailer 5
-
£4,397 GBP
$5,900 USD
View
B
Retailer 6
-
£5,924 GBP
$7,950 USD
View
B
Retailer 7
-
£6,426 GBP
A$13,266 AUD
View
B
Retailer 8
-
£6,935 GBP
$9,307 USD
View
Most Expensive
B
With Clarity
818626609 · Nov 2
£8,423 GBP
$11,303 USD
View
8 more retailers have this diamond
Prices start from £1,994 GBPSave up to £6,429 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.

A
12.08ct Radiant
£1,994 GBP