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Heart|Lab Grown|IGI

1.26ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836612361

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836612361

Diamond specifications and retailer prices

From £249 GBP
$332 USD
As of October 27, 2026
Save £1,748 GBP (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,997 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.26ct lab-grown heart diamond

This 1.26ct lab-grown heart 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 LG836612361 or 836612361. Listed at 16 retailers as of October 27, 2026, with prices from £249 to £1,997, a £1,748 spread on the same certified stone. Brilliant Earth lists it at £1,997. 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 angle35.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612361
Dimensions6.76 × 7.54 × 4.18 mm
L/W Ratio1.12
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
6.76 mm7.54 mm1.26 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612361
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 55.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,997 GBP|Low: £306 GBP|High: £1,997 GBP|Avg: £853 GBP
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
October 29, 2026
Retailer 3£306 GBP
Retailer 6£329 GBP
Retailer 10£469 GBP
Retailer 13£500 GBP
Retailer 7£532 GBP
Retailer 2£552 GBP
Retailer 11£655 GBP
Retailer 9£766 GBP
Retailer 12£1,028 GBP
Retailer 5£1,153 GBP
Retailer 8£1,242 GBP
Retailer 4£1,327 GBP
Brilliant Earth£1,997 GBP

29 data points across 13 retailers

16 retailers£249 GBP to £1,997 GBP

A
Cheapest Retailer
-
£249 GBP
$332 USD
A
Retailer 2
-
£306 GBP
$407 USD
View
Final sale: no returns
A
Retailer 3
-
£309 GBP
$412 USD
View
A
Retailer 4
-
£309 GBP
$412 USD
View
A
Retailer 5
-
£329 GBP
View
A
Retailer 6
-
£469 GBP
$625 USD
View
A
Retailer 7
-
£500 GBP
$666 USD
View
A
Retailer 8
-
£532 GBP
ZAR 11,440 ZAR
View
A
Retailer 9
-
£552 GBP
View
B+
Retailer 10
-
£655 GBP
$872 USD
View
B+
Retailer 11
-
£766 GBP
$1,020 USD
View
B+
Retailer 12
-
£1,028 GBP
$1,369 USD
View
B+
Retailer 13
-
£1,153 GBP
SGD 2,075 SGD
View
B+
Retailer 14
-
£1,242 GBP
View
B
Retailer 15
-
£1,327 GBP
$1,767 USD
View
Most Expensive
B
Brilliant Earth
21612340A · Oct 28
£1,997 GBP
$2,660 USD
View
15 more retailers have this diamond
Prices start from £249 GBPSave up to £1,748 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 Heart
£249 GBP