CaratHunter
Plans
Radiant|Lab Grown|IGI

12.26ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG840647712

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

Certificate IGI LG840647712

Diamond specifications and retailer prices

From £1,591 GBP
As of October 30, 2026
Save £8,061 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £9,652 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 12.26ct lab-grown radiant diamond

This 12.26ct lab-grown radiant 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 LG840647712 or 840647712. Listed at 21 retailers as of October 30, 2026, with prices from £1,591 to £9,652, a £8,061 spread on the same certified stone. With Clarity lists it at £9,652. 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

12.26
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840647712
Dimensions17.34 × 11.03 × 7.15 mm
L/W Ratio1.57
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.34 mm11.03 mm12.26 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840647712
Side View
Table 66.0%Crown 41.3°Girdle: Slightly ThickPavilion 32.5°Culet: NoneDepth 64.8%

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 30
Current: £1,591 GBP|Low: £1,585 GBP|High: £9,771 GBP|Avg: £3,781 GBP|-2.2%
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
Retailer 15
Retailer 16
Retailer 17
With Clarity
October 30, 2026
Retailer 1£1,591 GBP
Retailer 7£1,702 GBP
Retailer 13£1,852 GBP
Retailer 3£1,907 GBP
Retailer 5£1,975 GBP
Retailer 11£2,099 GBP
Retailer 14£2,386 GBP
Retailer 4£2,715 GBP
Retailer 10£2,719 GBP
Retailer 12£2,822 GBP
Retailer 15£2,973 GBP
Retailer 16£3,026 GBP
Retailer 2£3,742 GBP
Retailer 9£4,705 GBP
Retailer 8£6,899 GBP
Retailer 6£7,045 GBP
Retailer 17£8,121 GBP
With Clarity£9,652 GBP

19 data points across 18 retailers

21 retailers£1,591 GBP to £9,652 GBP

A
Cheapest Retailer
-
£1,591 GBP
A
Retailer 2
-
£1,702 GBP
$2,267 USD
View
A
Retailer 3
-
£1,852 GBP
$2,466 USD
View
A
Retailer 4
-
£1,907 GBP
$2,539 USD
View
Final sale: no returns
A
Retailer 5
-
£1,975 GBP
$2,630 USD
View
Retailer 6
-
£2,007 GBP
$2,673 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
£2,099 GBP
$2,795 USD
View
A
Retailer 8
-
£2,386 GBP
$3,177 USD
View
A
Retailer 9
-
£2,715 GBP
$3,615 USD
View
A
Retailer 10
-
£2,719 GBP
View
A
Retailer 11
-
£2,822 GBP
$3,758 USD
View
A
Retailer 12
-
£2,973 GBP
€3,771 EUR
View
A
Retailer 13
-
£3,026 GBP
$4,030 USD
View
A
Retailer 14
-
£3,742 GBP
View
Retailer 15
-
£4,705 GBP
$6,265 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
£5,359 GBP
$7,136 USD
View
Retailer 17
-
£6,840 GBP
A$14,014 AUD
View
Price last confirmed 24 days ago
B
Retailer 18
-
£6,899 GBP
$9,187 USD
View
B+
Retailer 19
-
£7,045 GBP
SGD 12,678 SGD
View
B
Retailer 20
-
£8,121 GBP
$10,815 USD
View
Most Expensive
B
With Clarity
840647712 · Oct 30
£9,652 GBP
$12,853 USD
View
20 more retailers have this diamond
Prices start from £1,591 GBPSave up to £8,061 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
12.26ct Radiant
£1,591 GBP