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Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG593304053

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG593304053

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)
21 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 LG593304053 or 593304053. Listed at 21 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
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593304053
Dimensions6.59 × 6.87 × 4.08 mm
L/W Ratio1.04
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
6.59 mm6.87 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593304053
Side View
Table 56.0%Crown 36.9°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 59.4%

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: €1,335 EUR|Low: €268 EUR|High: €1,363 EUR|Avg: €654 EUR|-2.1%
MOH London
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 11
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Retailer 19
October 31, 2026
Retailer 9€268 EUR
Retailer 17€298 EUR
Retailer 6€310 EUR
Retailer 15€331 EUR
Retailer 13€351 EUR
Retailer 5€446 EUR
Retailer 7€470 EUR
Retailer 18€546 EUR
Retailer 8€550 EUR
Retailer 4€569 EUR
Retailer 2€588 EUR
Retailer 16€602 EUR
Retailer 3€808 EUR
Retailer 12€853 EUR
Retailer 19€1,065 EUR
Retailer 10€1,108 EUR
Retailer 14€1,184 EUR
Retailer 11€1,226 EUR
MOH London€1,335 EUR

28 data points across 19 retailers

21 retailers€268 EUR to €1,335 EUR

A
Cheapest Retailer
-
€268 EUR
$299 USD
A
Retailer 2
-
€298 EUR
$333 USD
View
Final sale: no returns
A
Retailer 3
-
€310 EUR
$346 USD
View
A
Retailer 4
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€331 EUR
$370 USD
View
A
Retailer 5
-
€338 EUR
$378 USD
View
A
Retailer 6
-
€351 EUR
£309 GBP
View
A
Retailer 7
-
€446 EUR
$498 USD
View
A
Retailer 8
-
€470 EUR
$525 USD
View
B+
Retailer 9
-
€546 EUR
$610 USD
View
B+
Retailer 10
-
€550 EUR
$615 USD
View
B+
Retailer 11
-
€569 EUR
ZAR 10,276 ZAR
View
B+
Retailer 12
-
€588 EUR
£517 GBP
View
B+
Retailer 13
-
€602 EUR
View
B+
Retailer 14
-
€808 EUR
A$1,389 AUD
View
B+
Retailer 15
-
€853 EUR
$953 USD
View
Retailer 16
-
€1,030 EUR
A$1,771 AUD
View
Price last confirmed 145 days ago
B
Retailer 17
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€1,065 EUR
$1,190 USD
View
B
Retailer 18
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€1,108 EUR
$1,238 USD
View
B
Retailer 19
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€1,184 EUR
$1,323 USD
View
B
Retailer 20
-
€1,226 EUR
$1,370 USD
View
Most Expensive
B
MOH London
LG593304053 · Oct 29
€1,335 EUR
£1,174 GBP
View
20 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