Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG830648509

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830648509

Diamond specifications and retailer prices

From €347 EUR
$388 USD
As of November 1, 2026
Save €686 EUR (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,033 EUR at MOH London · As of November 1, 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 LG830648509 or 830648509. Listed at 6 retailers as of November 1, 2026, with prices from €347 to €1,033, a €686 spread on the same certified stone. MOH London lists it at €1,033. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830648509
Dimensions6.68 × 6.94 × 3.97 mm
L/W Ratio1.04
Girdle conditionFaceted
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
6.68 mm6.94 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830648509
Side View
Table 53.0%Crown 34.3°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 57.2%

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: Nov 1
Current: €1,033 EUR|Low: €347 EUR|High: €1,046 EUR|Avg: €625 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3€347 EUR
Retailer 2€486 EUR
Retailer 5€534 EUR
Retailer 4€547 EUR
Retailer 6€876 EUR
MOH London€1,033 EUR

33 data points across 6 retailers

6 retailers€347 EUR to €1,033 EUR

A
Cheapest Retailer
-
€347 EUR
$388 USD
A
Retailer 2
-
€486 EUR
£428 GBP
View
B+
Retailer 3
-
€534 EUR
$597 USD
View
B+
Retailer 4
-
€547 EUR
$611 USD
View
B
Retailer 5
-
€876 EUR
$978 USD
View
Most Expensive
B
MOH London
LG830648509 · Nov 1
€1,033 EUR
£909 GBP
View
5 more retailers have this diamond
Prices start from €347 EURSave up to €686 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
1.05ct Heart
€347 EUR