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Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG638415567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG638415567

Diamond specifications and retailer prices

From £227 GBP
$304 USD
As of October 30, 2026
Save £925 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,152 GBP at MOH London · As of October 26, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG638415567 or 638415567. Listed at 20 retailers as of October 26, 2026, with prices from £227 to £1,152, a £925 spread on the same certified stone. MOH London lists it at £1,152. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638415567
Dimensions6.27 × 6.93 × 4.16 mm
L/W Ratio1.11
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
6.27 mm6.93 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638415567
Side View
Table 60.0%Crown 40.6°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 60.0%

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 30
Current: £1,152 GBP|Low: £222 GBP|High: £1,164 GBP|Avg: £562 GBP|-1.1%
MOH London
Retailer 2
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Retailer 18
October 31, 2026
Retailer 9£227 GBP
Retailer 2£255 GBP
Retailer 5£263 GBP
Retailer 14£281 GBP
Retailer 4£379 GBP
Retailer 6£399 GBP
Retailer 16£460 GBP
Retailer 15£461 GBP
Retailer 7£475 GBP
Retailer 3£483 GBP
Retailer 11£500 GBP
Retailer 18£686 GBP
Retailer 12£725 GBP
Retailer 17£904 GBP
Retailer 10£939 GBP
Retailer 13£1,006 GBP
Retailer 8£1,037 GBP
MOH London£1,152 GBP

34 data points across 18 retailers

20 retailers£227 GBP to £1,152 GBP

A
Cheapest Retailer
-
£227 GBP
$304 USD
A
Retailer 2
-
£255 GBP
$342 USD
View
Final sale: no returns
A
Retailer 3
-
£263 GBP
$352 USD
View
A
Retailer 4
-
£281 GBP
$377 USD
View
A
Retailer 5
-
£287 GBP
$385 USD
View
A
Retailer 6
-
£379 GBP
$508 USD
View
A
Retailer 7
-
£399 GBP
$535 USD
View
B+
Retailer 8
-
£460 GBP
$617 USD
View
B+
Retailer 9
-
£461 GBP
€588 EUR
View
B+
Retailer 10
-
£475 GBP
$636 USD
View
B+
Retailer 11
-
£483 GBP
ZAR 10,458 ZAR
View
B+
Retailer 12
-
£500 GBP
View
B+
Retailer 13
-
£686 GBP
A$1,414 AUD
View
B+
Retailer 14
-
£725 GBP
$971 USD
View
Retailer 15
-
£875 GBP
A$1,804 AUD
View
Price last confirmed 144 days ago
B
Retailer 16
-
£904 GBP
$1,211 USD
View
B
Retailer 17
-
£939 GBP
$1,258 USD
View
B
Retailer 18
-
£1,006 GBP
$1,348 USD
View
B
Retailer 19
-
£1,037 GBP
$1,390 USD
View
Most Expensive
B
MOH London
LG638415567 · Oct 26
£1,152 GBP
View
19 more retailers have this diamond
Prices start from £227 GBPSave up to £925 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
£227 GBP