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Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG742528427

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG742528427

Diamond specifications and retailer prices

From £201 GBP
$269 USD
As of October 30, 2026
Save £802 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,003 GBP at MOH London · As of October 29, 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 LG742528427 or 742528427. Listed at 19 retailers as of October 29, 2026, with prices from £201 to £1,003, a £802 spread on the same certified stone. MOH London lists it at £1,003. 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°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742528427
Dimensions6.32 × 6.91 × 4.04 mm
L/W Ratio1.09
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
6.32 mm6.91 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742528427
Side View
Table 60.0%Crown 40°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 58.5%

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 30
Current: £1,003 GBP|Low: £193 GBP|High: £1,009 GBP|Avg: £440 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£201 GBP
Retailer 4£233 GBP
Retailer 12£249 GBP
Retailer 2£264 GBP
Retailer 3£336 GBP
Retailer 9£366 GBP
Retailer 6£412 GBP
Retailer 8£428 GBP
Retailer 5£478 GBP
Retailer 7£606 GBP
Retailer 10£765 GBP
MOH London£1,003 GBP

35 data points across 12 retailers

19 retailers£201 GBP to £1,003 GBP

A
Cheapest Retailer
-
£201 GBP
$269 USD
A
Retailer 2
-
£225 GBP
$301 USD
View
Final sale: no returns
A
Retailer 3
-
£233 GBP
$312 USD
View
A
Retailer 4
-
£249 GBP
$334 USD
View
A
Retailer 5
-
£249 GBP
$334 USD
View
A
Retailer 6
-
£264 GBP
View
A
Retailer 7
-
£336 GBP
$450 USD
View
A
Retailer 8
-
£366 GBP
$490 USD
View
A
Retailer 9
-
£412 GBP
€526 EUR
View
A
Retailer 10
-
£428 GBP
ZAR 9,258 ZAR
View
B+
Retailer 11
-
£431 GBP
$577 USD
View
B+
Retailer 12
-
£466 GBP
$624 USD
View
B+
Retailer 13
-
£478 GBP
View
B+
Retailer 14
-
£606 GBP
A$1,249 AUD
View
B
Retailer 15
-
£765 GBP
$1,025 USD
View
B
Retailer 16
-
£800 GBP
$1,072 USD
View
B
Retailer 17
-
£838 GBP
$1,123 USD
View
B
Retailer 18
-
£879 GBP
$1,178 USD
View
Most Expensive
B
MOH London
LG742528427 · Oct 29
£1,003 GBP
View
18 more retailers have this diamond
Prices start from £201 GBPSave up to £802 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
£201 GBP