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Round|Lab Grown|IGI

1.26ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816624088

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816624088

Diamond specifications and retailer prices

From £235 GBP
$315 USD
As of October 30, 2026
Save £1,108 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,343 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816624088 or 816624088. Listed at 15 retailers as of October 29, 2026, with prices from £235 to £1,343, a £1,108 spread on the same certified stone. Brilliant Earth lists it at £1,343. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624088
Dimensions6.99 × 6.97 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.99 mm6.97 mm1.26 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624088
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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: £1,343 GBP|Low: £169 GBP|High: £1,388 GBP|Avg: £681 GBP|-3.2%
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
October 31, 2026
Retailer 5£235 GBP
Retailer 14£367 GBP
Retailer 11£369 GBP
Retailer 8£428 GBP
Retailer 10£448 GBP
Retailer 2£459 GBP
Retailer 13£533 GBP
Retailer 3£581 GBP
Retailer 7£661 GBP
Retailer 4£876 GBP
Retailer 9£1,050 GBP
Retailer 6£1,086 GBP
Retailer 12£1,172 GBP
Brilliant Earth£1,343 GBP

35 data points across 14 retailers

15 retailers£235 GBP to £1,343 GBP

A
Cheapest Retailer
-
£235 GBP
$315 USD
Final sale: no returns
Retailer 2
-
£260 GBP
$349 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
£367 GBP
$492 USD
View
A
Retailer 4
-
£369 GBP
$495 USD
View
A
Retailer 5
-
£428 GBP
€546 EUR
View
A
Retailer 6
-
£448 GBP
ZAR 9,697 ZAR
View
A
Retailer 7
-
£459 GBP
View
A
Retailer 8
-
£533 GBP
$714 USD
View
A
Retailer 9
-
£581 GBP
$778 USD
View
B+
Retailer 10
-
£661 GBP
$885 USD
View
B+
Retailer 11
-
£876 GBP
$1,174 USD
View
B+
Retailer 12
-
£1,050 GBP
View
B
Retailer 13
-
£1,086 GBP
$1,454 USD
View
Retailer 14
-
£1,172 GBP
$1,570 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21018626A · Oct 29
£1,343 GBP
$1,800 USD
View
14 more retailers have this diamond
Prices start from £235 GBPSave up to £1,108 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
1.26ct Round
£235 GBP