CaratHunter
Plans
Heart|Lab Grown|IGI

1.05ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG794623256

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG794623256

Diamond specifications and retailer prices

From £204 GBP
$272 USD
As of October 27, 2026
Save £1,463 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,667 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794623256 or 794623256. Listed at 20 retailers as of October 27, 2026, with prices from £204 to £1,667, a £1,463 spread on the same certified stone. Brilliant Earth lists it at £1,667. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794623256
Dimensions6.98 × 6.34 × 4.07 mm
L/W Ratio1.10
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
6.98 mm6.34 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794623256
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 58.3%

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 27
Current: £1,667 GBP|Low: £204 GBP|High: £1,667 GBP|Avg: £617 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 7£204 GBP
Retailer 14£228 GBP
Retailer 3£237 GBP
Retailer 17£254 GBP
Retailer 19£254 GBP
Retailer 16£372 GBP
Retailer 12£414 GBP
Retailer 8£420 GBP
Retailer 15£436 GBP
Retailer 5£436 GBP
Retailer 2£445 GBP
Retailer 4£469 GBP
Retailer 9£647 GBP
Retailer 10£764 GBP
Retailer 18£816 GBP
Retailer 6£853 GBP
Retailer 13£1,021 GBP
Retailer 11£1,024 GBP
Brilliant Earth£1,667 GBP

33 data points across 19 retailers

20 retailers£204 GBP to £1,667 GBP

A
Cheapest Retailer
-
£204 GBP
$272 USD
A
Retailer 2
-
£228 GBP
$304 USD
View
Final sale: no returns
A
Retailer 3
-
£237 GBP
$316 USD
View
A
Retailer 4
-
£254 GBP
$338 USD
View
A
Retailer 5
-
£254 GBP
$338 USD
View
A
Retailer 6
-
£372 GBP
$495 USD
View
A
Retailer 7
-
£414 GBP
€525 EUR
View
A
Retailer 8
-
£420 GBP
$559 USD
View
A
Retailer 9
-
£436 GBP
ZAR 9,375 ZAR
View
B+
Retailer 10
-
£436 GBP
$581 USD
View
B+
Retailer 11
-
£445 GBP
View
B+
Retailer 12
-
£469 GBP
$625 USD
View
B+
Retailer 13
-
£647 GBP
$861 USD
View
B+
Retailer 14
-
£764 GBP
SGD 1,375 SGD
View
B
Retailer 15
-
£806 GBP
$1,073 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£816 GBP
$1,086 USD
View
B+
Retailer 17
-
£853 GBP
$1,137 USD
View
B+
Retailer 18
-
£1,021 GBP
View
B
Retailer 19
-
£1,024 GBP
$1,364 USD
View
Most Expensive
B
Brilliant Earth
21419412A · Oct 28
£1,667 GBP
$2,220 USD
View
19 more retailers have this diamond
Prices start from £204 GBPSave up to £1,463 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
1.05ct Heart
£204 GBP