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Heart|Lab Grown|IGI

1.26ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG600380564

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG600380564

Diamond specifications and retailer prices

From £219 GBP
$293 USD
As of October 30, 2026
Save £1,028 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,246 GBP at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG600380564 or 600380564. Listed at 18 retailers as of October 30, 2026, with prices from £219 to £1,246, a £1,028 spread on the same certified stone. Brilliant Earth lists it at £1,246. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600380564
Dimensions6.72 × 7.23 × 4.36 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
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
6.72 mm7.23 mm1.26 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600380564
Side View
Table 57.0%Crown 35.7°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 60.3%

Caratlytics Score

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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 30
Current: £1,246 GBP|Low: £219 GBP|High: £1,291 GBP|Avg: £635 GBP|-3.5%
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
Retailer 15
October 30, 2026
Retailer 6£219 GBP
Retailer 14£243 GBP
Retailer 7£327 GBP
Retailer 10£328 GBP
Retailer 8£397 GBP
Retailer 9£417 GBP
Retailer 4£431 GBP
Retailer 2£463 GBP
Retailer 12£616 GBP
Retailer 13£633 GBP
Retailer 3£779 GBP
Retailer 5£818 GBP
Retailer 11£977 GBP
Retailer 15£1,038 GBP
Brilliant Earth£1,246 GBP

43 data points across 15 retailers

18 retailers£219 GBP to £1,246 GBP

Retailer 1
-
£196 GBP
$262 USD
Price last confirmed 11 days ago
A
Retailer 2
-
£219 GBP
$293 USD
View
Final sale: no returns
Retailer 3
-
£243 GBP
$325 USD
View
Price last confirmed 13 days ago
Retailer 4
-
£243 GBP
$325 USD
View
Price last confirmed 10 days ago
Retailer 5
-
£305 GBP
$409 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
£327 GBP
$438 USD
View
A
Retailer 7
-
£328 GBP
$440 USD
View
A
Retailer 8
-
£397 GBP
€507 EUR
View
A
Retailer 9
-
£417 GBP
ZAR 9,017 ZAR
View
A
Retailer 10
-
£431 GBP
$577 USD
View
A
Retailer 11
-
£463 GBP
View
B+
Retailer 12
-
£616 GBP
$825 USD
View
B+
Retailer 13
-
£633 GBP
$848 USD
View
Retailer 14
-
£779 GBP
$1,044 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
£818 GBP
$1,095 USD
View
B+
Retailer 16
-
£977 GBP
View
B
Retailer 17
-
£1,038 GBP
$1,391 USD
View
Most Expensive
B
Brilliant Earth
14067130A · Oct 30
£1,246 GBP
$1,670 USD
View
17 more retailers have this diamond
Prices start from £219 GBPSave up to £1,028 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
£219 GBP