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Round|Lab Grown|IGI

8.12ct F VS2 Round Lab Grown Diamond

EX • F/VS2 • IGI LG618403850

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618403850

Diamond specifications and retailer prices

From £1,165 GBP
$1,561 USD
As of October 29, 2026
Save £2,715 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £11,911 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 8.12ct lab-grown round diamond

This 8.12ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618403850 or 618403850. Listed at 11 retailers as of October 29, 2026, with a 233% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

8.12
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618403850
Dimensions12.73 × 12.79 × 7.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.73 mm12.79 mm8.12 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618403850
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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: Oct 29
Current: £11,911 GBP|Low: £1,119 GBP|High: £12,277 GBP|Avg: £3,261 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 14£1,165 GBP
Retailer 18£1,267 GBP
Retailer 17£1,305 GBP
Retailer 3£1,634 GBP
Retailer 2£2,056 GBP
Retailer 15£2,128 GBP
Retailer 12£2,131 GBP
Retailer 10£2,192 GBP
Retailer 7£2,205 GBP
Retailer 13£2,390 GBP
Retailer 16£2,533 GBP
Retailer 8£2,876 GBP
Retailer 4£3,128 GBP
Retailer 11£3,880 GBP
Retailer 6£4,396 GBP
Retailer 9£4,952 GBP
Retailer 5£5,565 GBP
Brilliant Earth£11,911 GBP

26 data points across 18 retailers

11 retailers£1,165 GBP to £3,880 GBP

A
Cheapest Retailer
-
£1,165 GBP
$1,561 USD
A
Retailer 2
-
£1,267 GBP
$1,698 USD
View
A
Retailer 3
-
£1,305 GBP
$1,748 USD
View
Final sale: no returns
A
Retailer 4
-
£1,634 GBP
HK$17,100 HKD
View
B+
Retailer 5
-
£2,056 GBP
€2,624 EUR
View
B+
Retailer 6
-
£2,128 GBP
$2,851 USD
View
B+
Retailer 7
-
£2,131 GBP
$2,855 USD
View
B+
Retailer 8
-
£2,390 GBP
$3,202 USD
View
B+
Retailer 9
-
£2,533 GBP
$3,394 USD
View
B
Retailer 10
-
£3,880 GBP
View
Most Expensive
Brilliant Earth
15434554A · Oct 29
£11,911 GBP
$15,960 USD
View
Price under review
10 more retailers have this diamond
Prices start from £1,165 GBPSave up to £2,715 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
8.12ct Round
£1,165 GBP