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Round|Lab Grown|IGI

1.26ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816612554

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816612554

Diamond specifications and retailer prices

From £210 GBP
$282 USD
As of October 29, 2026
Save £1,133 GBP (84%) vs most expensive(unlock to see where)
20 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 LG816612554 or 816612554. Listed at 20 retailers as of October 29, 2026, with prices from £210 to £1,343, a £1,133 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 angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612554
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 LG816612554
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.5°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 29
Current: £1,343 GBP|Low: £196 GBP|High: £1,343 GBP|Avg: £588 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 16£210 GBP
Retailer 11£228 GBP
Retailer 14£244 GBP
Retailer 3£253 GBP
Retailer 4£253 GBP
Retailer 7£357 GBP
Retailer 20£358 GBP
Retailer 17£416 GBP
Retailer 19£434 GBP
Retailer 15£443 GBP
Retailer 8£504 GBP
Retailer 6£531 GBP
Retailer 9£561 GBP
Retailer 13£637 GBP
Retailer 2£812 GBP
Retailer 10£850 GBP
Retailer 18£1,018 GBP
Retailer 12£1,065 GBP
Retailer 5£1,172 GBP
Brilliant Earth£1,343 GBP

27 data points across 20 retailers

20 retailers£210 GBP to £1,343 GBP

A
Cheapest Retailer
-
£210 GBP
$282 USD
A
Retailer 2
-
£228 GBP
$305 USD
View
Final sale: no returns
A
Retailer 3
-
£244 GBP
$327 USD
View
A
Retailer 4
-
£253 GBP
$339 USD
View
A
Retailer 5
-
£357 GBP
$478 USD
View
A
Retailer 6
-
£358 GBP
$480 USD
View
A
Retailer 7
-
£416 GBP
€531 EUR
View
A
Retailer 8
-
£434 GBP
ZAR 9,396 ZAR
View
A
Retailer 9
-
£443 GBP
View
A
Retailer 10
-
£496 GBP
$665 USD
View
A
Retailer 11
-
£504 GBP
$675 USD
View
A
Retailer 12
-
£531 GBP
$712 USD
View
A
Retailer 13
-
£561 GBP
$752 USD
View
B+
Retailer 14
-
£637 GBP
$854 USD
View
B+
Retailer 15
-
£812 GBP
$1,088 USD
View
B+
Retailer 16
-
£850 GBP
$1,139 USD
View
B+
Retailer 17
-
£1,018 GBP
View
B
Retailer 18
-
£1,065 GBP
$1,427 USD
View
Retailer 19
-
£1,172 GBP
$1,570 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21018813A · Oct 29
£1,343 GBP
$1,800 USD
View
19 more retailers have this diamond
Prices start from £210 GBPSave up to £1,133 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
£210 GBP