Round|Lab Grown|IGI

12.05ct E VVS2 Round Lab Grown Diamond

EX • E/VVS2 • IGI LG666419629

Shape and cutting style on the report: Round brilliant

Certificate IGI LG666419629

Diamond specifications and retailer prices

From £4,675 GBP
$6,264 USD
As of October 31, 2026
Save £19,887 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £24,562 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.05ct lab-grown round diamond

This 12.05ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG666419629 or 666419629. Listed at 20 retailers as of October 31, 2026, with prices from £4,675 to £24,562, a £19,887 spread on the same certified stone. Brilliant Earth lists it at £24,562. 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

12.05
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666419629
Dimensions14.59 × 14.67 × 8.91 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
14.59 mm14.67 mm12.05 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666419629
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.9%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £24,562 GBP|Low: £3,338 GBP|High: £24,562 GBP|Avg: £8,068 GBP
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
November 1, 2026
Retailer 11£4,675 GBP
Retailer 5£4,842 GBP
Retailer 10£4,844 GBP
Retailer 13£5,963 GBP
Retailer 12£6,112 GBP
Retailer 2£6,190 GBP
Retailer 8£7,476 GBP
Retailer 7£7,495 GBP
Retailer 3£7,878 GBP
Retailer 6£8,945 GBP
Retailer 4£9,143 GBP
Retailer 9£9,249 GBP
Brilliant Earth£24,562 GBP

43 data points across 13 retailers

20 retailers£4,675 GBP to £24,562 GBP

Retailer 1
-
£4,007 GBP
$5,369 USD
Price last confirmed 30 days ago
Retailer 2
-
£4,374 GBP
$5,861 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
£4,675 GBP
$6,264 USD
View
Final sale: no returns
Retailer 4
-
£4,842 GBP
$6,488 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
£4,844 GBP
$6,490 USD
View
Retailer 6
-
£5,747 GBP
$7,701 USD
View
Price last confirmed 31 days ago
B+
Retailer 7
-
£5,963 GBP
$7,990 USD
View
Retailer 8
-
£6,112 GBP
$8,190 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
£6,190 GBP
View
Retailer 10
-
£7,476 GBP
$10,017 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£7,495 GBP
ZAR 162,233 ZAR
View
B+
Retailer 12
-
£7,878 GBP
$10,556 USD
View
B+
Retailer 13
-
£8,945 GBP
€11,414 EUR
View
B+
Retailer 14
-
£9,143 GBP
$12,251 USD
View
Retailer 15
-
£9,249 GBP
A$19,066 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
£13,115 GBP
$17,572 USD
View
B
Retailer 17
-
£13,468 GBP
$18,045 USD
View
B
Retailer 18
-
£17,090 GBP
$22,898 USD
View
B
Retailer 19
-
£18,407 GBP
$24,664 USD
View
Most Expensive
B
Brilliant Earth
16243049A · Oct 31
£24,562 GBP
$32,910 USD
View
19 more retailers have this diamond
Prices start from £4,675 GBPSave up to £19,887 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
12.05ct Round
£4,675 GBP