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Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG598393884

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598393884

Diamond specifications and retailer prices

From €280 EUR
As of November 4, 2026
Save €1,113 EUR (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,148 EUR at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG598393884 or 598393884. Listed at 21 retailers as of November 1, 2026, with a 397% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598393884
Dimensions6.90 × 6.38 × 3.97 mm
L/W Ratio1.08
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
6.90 mm6.38 mm1.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598393884
Side View
Table 55.0%Crown 34.6°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 57.5%

Caratlytics Score

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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: Nov 4
Current: €2,148 EUR|Low: €280 EUR|High: €2,148 EUR|Avg: €725 EUR
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 20
November 5, 2026
Retailer 9€280 EUR
Retailer 10€317 EUR
Retailer 7€326 EUR
Retailer 3€348 EUR
Retailer 12€355 EUR
Retailer 13€357 EUR
Retailer 6€469 EUR
Retailer 15€484 EUR
Retailer 8€523 EUR
Retailer 4€559 EUR
Retailer 19€564 EUR
Retailer 17€600 EUR
Retailer 2€614 EUR
Retailer 14€855 EUR
Retailer 16€866 EUR
Retailer 5€1,118 EUR
Retailer 11€1,159 EUR
Retailer 20€1,251 EUR
Retailer 18€1,393 EUR
Brilliant Earth€2,148 EUR

33 data points across 20 retailers

21 retailers€280 EUR to €1,393 EUR

A
Cheapest Retailer
-
€280 EUR
A
Retailer 2
-
€317 EUR
View
Final sale: no returns
A
Retailer 3
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€326 EUR
View
A
Retailer 4
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€348 EUR
View
Retailer 5
-
€355 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
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€357 EUR
View
A
Retailer 7
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€469 EUR
View
A
Retailer 8
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€484 EUR
View
B+
Retailer 9
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€523 EUR
View
B+
Retailer 10
-
€559 EUR
View
B+
Retailer 11
-
€564 EUR
View
B+
Retailer 12
-
€600 EUR
View
B+
Retailer 13
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€614 EUR
View
B+
Retailer 14
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€855 EUR
View
B+
Retailer 15
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€866 EUR
View
Retailer 16
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€908 EUR
View
Price last confirmed 159 days ago
B+
Retailer 17
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€1,118 EUR
View
B
Retailer 18
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€1,159 EUR
View
B
Retailer 19
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€1,251 EUR
View
B
Retailer 20
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€1,393 EUR
View
Most Expensive
Brilliant Earth
11245081A · Oct 9
€2,148 EUR
$2,420 USD
View
Price last confirmed 26 days ago
20 more retailers have this diamond
Prices start from €280 EURSave up to €1,113 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
1.01ct Heart
€280 EUR