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Round|Lab Grown|IGI

12.05ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG783666255

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783666255

Diamond specifications and retailer prices

From £1,929 GBP
As of November 1, 2026
Save £6,442 GBP (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £8,371 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783666255 or 783666255. Listed at 15 retailers as of October 31, 2026, with prices from £1,929 to £8,371, a £6,442 spread on the same certified stone. Taylor and Hart lists it at £8,371. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783666255
Dimensions14.74 × 14.66 × 8.99 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
14.74 mm14.66 mm12.05 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783666255
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.1%

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: £1,929 GBP|Low: £1,922 GBP|High: £8,371 GBP|Avg: £3,649 GBP|+0.4%
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 1£1,929 GBP
Retailer 4£2,070 GBP
Retailer 9£2,252 GBP
Retailer 5£2,319 GBP
Retailer 6£2,386 GBP
Retailer 3£2,402 GBP
Retailer 10£2,403 GBP
Retailer 14£2,729 GBP
Retailer 7£3,231 GBP
Retailer 2£3,301 GBP
Retailer 12£3,451 GBP
Retailer 11£3,523 GBP
Retailer 8£6,033 GBP
Retailer 13£6,939 GBP
Taylor and Hart£8,371 GBP

42 data points across 15 retailers

15 retailers£1,929 GBP to £8,371 GBP

A
Cheapest Retailer
-
£1,929 GBP
A
Retailer 2
-
£2,070 GBP
$2,774 USD
View
A
Retailer 3
-
£2,252 GBP
$3,018 USD
View
A
Retailer 4
-
£2,319 GBP
$3,107 USD
View
Final sale: no returns
Retailer 5
-
£2,386 GBP
$3,197 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£2,402 GBP
$3,218 USD
View
A
Retailer 7
-
£2,403 GBP
$3,220 USD
View
A
Retailer 8
-
£2,729 GBP
$3,657 USD
View
A
Retailer 9
-
£3,231 GBP
View
A
Retailer 10
-
£3,301 GBP
$4,423 USD
View
A
Retailer 11
-
£3,451 GBP
$4,624 USD
View
A
Retailer 12
-
£3,523 GBP
$4,720 USD
View
B+
Retailer 13
-
£6,033 GBP
$8,083 USD
View
B+
Retailer 14
-
£6,939 GBP
$9,297 USD
View
Most Expensive
B
Taylor and Hart
FCLPYTQ · Oct 31
£8,371 GBP
$11,216 USD
View
14 more retailers have this diamond
Prices start from £1,929 GBPSave up to £6,442 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
£1,929 GBP