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Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG823652306

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823652306

Diamond specifications and retailer prices

From €297 EUR
$332 USD
As of October 31, 2026
Save €1,037 EUR (78%) vs most expensive(unlock to see where)
13 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 LG823652306 or 823652306. Listed at 13 retailers as of October 29, 2026, with prices from €297 to €1,335, a €1,037 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
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823652306
Dimensions5.99 × 7.03 × 4.13 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.99 mm7.03 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823652306
Side View
Table 62.0%Crown 34.4°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 58.7%

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 31
Current: €1,335 EUR|Low: €297 EUR|High: €1,399 EUR|Avg: €812 EUR|-4.6%
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
October 31, 2026
Retailer 8€297 EUR
Retailer 12€446 EUR
Retailer 13€470 EUR
Retailer 6€550 EUR
Retailer 4€572 EUR
Retailer 9€585 EUR
Retailer 3€813 EUR
Retailer 5€986 EUR
Retailer 11€1,018 EUR
Retailer 7€1,103 EUR
Retailer 2€1,177 EUR
Retailer 10€1,314 EUR
MOH London€1,335 EUR

22 data points across 13 retailers

13 retailers€297 EUR to €1,335 EUR

A
Cheapest Retailer
-
€297 EUR
$332 USD
Final sale: no returns
A
Retailer 2
-
€446 EUR
$498 USD
View
A
Retailer 3
-
€470 EUR
$525 USD
View
B+
Retailer 4
-
€550 EUR
$614 USD
View
B+
Retailer 5
-
€572 EUR
ZAR 10,330 ZAR
View
B+
Retailer 6
-
€585 EUR
£514 GBP
View
B+
Retailer 7
-
€813 EUR
A$1,397 AUD
View
B
Retailer 8
-
€986 EUR
A$1,694 AUD
View
B
Retailer 9
-
€1,018 EUR
$1,137 USD
View
B
Retailer 10
-
€1,103 EUR
$1,232 USD
View
B
Retailer 11
-
€1,177 EUR
$1,315 USD
View
B
Retailer 12
-
€1,314 EUR
SGD 1,984 SGD
View
Most Expensive
B
MOH London
LG823652306 · Oct 29
€1,335 EUR
£1,174 GBP
View
12 more retailers have this diamond
Prices start from €297 EURSave up to €1,037 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
€297 EUR