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Round|Lab Grown|IGI

1.26ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840619835

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840619835

Diamond specifications and retailer prices

From £188 GBP
$252 USD
As of October 29, 2026
Save £828 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,164 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG840619835 or 840619835. Listed at 20 retailers as of October 29, 2026, with a 440% 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 angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840619835
Dimensions6.85 × 6.89 × 4.29 mm
L/W Ratio1.01
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
6.85 mm6.89 mm1.26 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840619835
Side View
Table 56.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.4%

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: £1,164 GBP|Low: £188 GBP|High: £1,172 GBP|Avg: £529 GBP|-0.6%
Rare Carat
Retailer 2
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Retailer 20
October 30, 2026
Retailer 9£188 GBP
Retailer 5£210 GBP
Retailer 3£219 GBP
Retailer 6£234 GBP
Retailer 19£234 GBP
Retailer 2£315 GBP
Retailer 18£355 GBP
Retailer 13£378 GBP
Retailer 15£387 GBP
Retailer 17£401 GBP
Retailer 4£422 GBP
Retailer 14£444 GBP
Retailer 20£525 GBP
Retailer 7£718 GBP
Retailer 12£751 GBP
Retailer 11£755 GBP
Retailer 8£790 GBP
Retailer 16£941 GBP
Retailer 10£1,016 GBP
Rare Carat£1,164 GBP

17 data points across 20 retailers

20 retailers£188 GBP to £1,016 GBP

A
Cheapest Retailer
-
£188 GBP
$252 USD
A
Retailer 2
-
£210 GBP
$281 USD
View
Final sale: no returns
A
Retailer 3
-
£219 GBP
$293 USD
View
A
Retailer 4
-
£234 GBP
$313 USD
View
A
Retailer 5
-
£234 GBP
$313 USD
View
A
Retailer 6
-
£315 GBP
$422 USD
View
A
Retailer 7
-
£355 GBP
$475 USD
View
A
Retailer 8
-
£378 GBP
View
A
Retailer 9
-
£387 GBP
€494 EUR
View
A
Retailer 10
-
£401 GBP
ZAR 8,689 ZAR
View
A
Retailer 11
-
£422 GBP
$566 USD
View
A
Retailer 12
-
£444 GBP
View
A
Retailer 13
-
£525 GBP
$704 USD
View
B+
Retailer 14
-
£718 GBP
$962 USD
View
B+
Retailer 15
-
£751 GBP
$1,006 USD
View
B+
Retailer 16
-
£755 GBP
SGD 1,367 SGD
View
B+
Retailer 17
-
£790 GBP
$1,058 USD
View
B+
Retailer 18
-
£941 GBP
View
B+
Retailer 19
-
£1,016 GBP
$1,361 USD
View
Most Expensive
Rare Carat
M20A-40_l_840619835 · Oct 18
£1,164 GBP
$1,560 USD
View
Price last confirmed 13 days ago
19 more retailers have this diamond
Prices start from £188 GBPSave up to £828 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
£188 GBP