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Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG669476719

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG669476719

Diamond specifications and retailer prices

From £240 GBP
$322 USD
As of October 30, 2026
Save £957 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,197 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.03ct lab-grown heart diamond

This 1.03ct 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 LG669476719 or 669476719. Listed at 19 retailers as of October 26, 2026, with prices from £240 to £1,197, a £957 spread on the same certified stone. MOH London lists it at £1,197. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669476719
Dimensions6.88 × 6.17 × 4.14 mm
L/W Ratio1.12
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
6.88 mm6.17 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669476719
Side View
Table 56.0%Crown 37.5°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 60.2%

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: £1,197 GBP|Low: £231 GBP|High: £1,210 GBP|Avg: £524 GBP|+0.1%
MOH London
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
October 30, 2026
Retailer 3£240 GBP
Retailer 6£269 GBP
Retailer 12£279 GBP
Retailer 13£299 GBP
Retailer 14£299 GBP
Retailer 2£407 GBP
Retailer 10£414 GBP
Retailer 5£476 GBP
Retailer 9£513 GBP
Retailer 7£532 GBP
Retailer 8£728 GBP
Retailer 11£875 GBP
Retailer 4£959 GBP
MOH London£1,197 GBP

42 data points across 14 retailers

19 retailers£240 GBP to £1,197 GBP

A
Cheapest Retailer
-
£240 GBP
$322 USD
A
Retailer 2
-
£269 GBP
$360 USD
View
Final sale: no returns
A
Retailer 3
-
£279 GBP
$374 USD
View
A
Retailer 4
-
£299 GBP
$400 USD
View
A
Retailer 5
-
£299 GBP
$400 USD
View
A
Retailer 6
-
£334 GBP
HK$3,500 HKD
View
A
Retailer 7
-
£407 GBP
$545 USD
View
A
Retailer 8
-
£414 GBP
$555 USD
View
B+
Retailer 9
-
£465 GBP
$623 USD
View
B+
Retailer 10
-
£476 GBP
$638 USD
View
B+
Retailer 11
-
£513 GBP
ZAR 11,098 ZAR
View
B+
Retailer 12
-
£532 GBP
View
B+
Retailer 13
-
£728 GBP
A$1,500 AUD
View
B
Retailer 14
-
£796 GBP
SGD 1,441 SGD
View
B
Retailer 15
-
£875 GBP
$1,172 USD
View
B
Retailer 16
-
£959 GBP
$1,285 USD
View
B
Retailer 17
-
£993 GBP
$1,330 USD
View
B
Retailer 18
-
£1,182 GBP
$1,584 USD
View
Most Expensive
B
MOH London
LG669476719 · Oct 26
£1,197 GBP
View
18 more retailers have this diamond
Prices start from £240 GBPSave up to £957 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
1.03ct Heart
£240 GBP