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Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG620463128

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620463128

Diamond specifications and retailer prices

From €268 EUR
$299 USD
As of October 30, 2026
Save €1,067 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,335 EUR at MOH London · As of October 29, 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 LG620463128 or 620463128. Listed at 18 retailers as of October 29, 2026, with prices from €268 to €1,335, a €1,067 spread on the same certified stone. MOH London lists it at €1,335. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620463128
Dimensions6.37 × 6.94 × 4.07 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
6.37 mm6.94 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG620463128
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 58.6%

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: €1,335 EUR|Low: €262 EUR|High: €1,372 EUR|Avg: €661 EUR|-2.6%
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 7€268 EUR
Retailer 12€300 EUR
Retailer 4€310 EUR
Retailer 14€331 EUR
Retailer 3€446 EUR
Retailer 5€470 EUR
Retailer 15€546 EUR
Retailer 6€550 EUR
Retailer 17€569 EUR
Retailer 2€588 EUR
Retailer 10€599 EUR
Retailer 11€853 EUR
Retailer 16€1,065 EUR
Retailer 8€1,108 EUR
Retailer 13€1,184 EUR
Retailer 9€1,226 EUR
MOH London€1,335 EUR

36 data points across 17 retailers

18 retailers€268 EUR to €1,335 EUR

A
Cheapest Retailer
-
€268 EUR
$299 USD
A
Retailer 2
-
€300 EUR
$335 USD
View
Final sale: no returns
A
Retailer 3
-
€310 EUR
$346 USD
View
A
Retailer 4
-
€331 EUR
$370 USD
View
A
Retailer 5
-
€338 EUR
$378 USD
View
A
Retailer 6
-
€446 EUR
$498 USD
View
B+
Retailer 7
-
€470 EUR
$525 USD
View
B+
Retailer 8
-
€546 EUR
$610 USD
View
B+
Retailer 9
-
€550 EUR
$615 USD
View
B+
Retailer 10
-
€569 EUR
ZAR 10,276 ZAR
View
B+
Retailer 11
-
€588 EUR
£517 GBP
View
B+
Retailer 12
-
€599 EUR
View
B
Retailer 13
-
€853 EUR
$953 USD
View
B
Retailer 14
-
€1,065 EUR
$1,190 USD
View
B
Retailer 15
-
€1,108 EUR
$1,238 USD
View
B
Retailer 16
-
€1,184 EUR
$1,323 USD
View
B
Retailer 17
-
€1,226 EUR
$1,370 USD
View
Most Expensive
B
MOH London
LG620463128 · Oct 29
€1,335 EUR
£1,174 GBP
View
17 more retailers have this diamond
Prices start from €268 EURSave up to €1,067 EUR

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
€268 EUR