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Round|Lab Grown|IGI

1.26ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836620587

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836620587

Diamond specifications and retailer prices

From £199 GBP
$266 USD
As of October 29, 2026
Save £1,145 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,388 GBP at Brilliant Earth · As of September 28, 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 LG836620587 or 836620587. Listed at 20 retailers as of October 29, 2026, with a 577% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620587
Dimensions6.99 × 6.96 × 4.22 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 mm6.96 mm1.26 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620587
Side View
Table 57.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A+
Exceptional
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: £584 GBP
Brilliant Earth
Retailer 2
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Retailer 19
October 31, 2026
Retailer 7£199 GBP
Retailer 8£222 GBP
Retailer 3£231 GBP
Retailer 4£246 GBP
Retailer 10£246 GBP
Retailer 14£366 GBP
Retailer 2£404 GBP
Retailer 5£409 GBP
Retailer 13£424 GBP
Retailer 12£471 GBP
Retailer 6£529 GBP
Retailer 19£758 GBP
Retailer 11£793 GBP
Retailer 18£794 GBP
Retailer 9£831 GBP
Retailer 17£867 GBP
Retailer 15£990 GBP
Retailer 16£1,172 GBP
Brilliant Earth£1,343 GBP

39 data points across 19 retailers

20 retailers£199 GBP to £1,343 GBP

A+
Cheapest Retailer
-
£199 GBP
$266 USD
A
Retailer 2
-
£222 GBP
$298 USD
View
Final sale: no returns
A
Retailer 3
-
£231 GBP
$309 USD
View
A
Retailer 4
-
£246 GBP
$330 USD
View
A
Retailer 5
-
£246 GBP
$330 USD
View
A
Retailer 6
-
£366 GBP
$490 USD
View
A
Retailer 7
-
£404 GBP
€516 EUR
View
A
Retailer 8
-
£409 GBP
$548 USD
View
A
Retailer 9
-
£424 GBP
ZAR 9,171 ZAR
View
A
Retailer 10
-
£471 GBP
View
A
Retailer 11
-
£529 GBP
$709 USD
View
B+
Retailer 12
-
£758 GBP
$1,015 USD
View
B+
Retailer 13
-
£793 GBP
$1,062 USD
View
B+
Retailer 14
-
£794 GBP
SGD 1,438 SGD
View
B+
Retailer 15
-
£831 GBP
$1,113 USD
View
B+
Retailer 16
-
£867 GBP
$1,162 USD
View
B+
Retailer 17
-
£990 GBP
View
Retailer 18
-
£1,172 GBP
$1,570 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
£1,343 GBP
$1,800 USD
View
Most Expensive
Brilliant Earth
21427799A · Sep 28
£1,388 GBP
$1,860 USD
View
Price last confirmed 32 days ago
19 more retailers have this diamond
Prices start from £199 GBPSave up to £1,145 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
£199 GBP