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Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG620421919

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620421919

Diamond specifications and retailer prices

From €317 EUR
As of November 5, 2026
Save €1,077 EUR (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,482 EUR at Brilliant Earth · As of October 27, 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 LG620421919 or 620421919. Listed at 22 retailers as of November 3, 2026, with a 340% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421919
Dimensions6.24 × 6.81 × 4.02 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
6.24 mm6.81 mm1.01 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421919
Side View
Table 57.0%Crown 34.9°Girdle: ThickPavilion 37.7°Culet: NoneDepth 59.0%

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 5
Current: €1,305 EUR|Low: €275 EUR|High: €2,148 EUR|Avg: €686 EUR|-39.3%
Brilliant Earth
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
Retailer 18
November 5, 2026
Retailer 10€275 EUR
Retailer 14€317 EUR
Retailer 8€355 EUR
Retailer 9€355 EUR
Retailer 11€357 EUR
Retailer 5€469 EUR
Retailer 13€484 EUR
Retailer 6€523 EUR
Retailer 4€559 EUR
Retailer 18€564 EUR
Retailer 16€600 EUR
Retailer 2€614 EUR
Retailer 12€855 EUR
Retailer 15€866 EUR
Retailer 7€1,159 EUR
Retailer 3€1,251 EUR
Brilliant Earth€1,305 EUR
Retailer 17€1,393 EUR

34 data points across 18 retailers

22 retailers€317 EUR to €1,393 EUR

Retailer 1
-
€275 EUR
Price last confirmed 34 days ago
A
Retailer 2
-
€317 EUR
View
Final sale: no returns
Retailer 3
-
€333 EUR
View
Price last confirmed 37 days ago
Retailer 4
-
€355 EUR
View
Price last confirmed 33 days ago
Retailer 5
-
€355 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€357 EUR
View
A
Retailer 7
-
€469 EUR
View
A
Retailer 8
-
€484 EUR
View
B+
Retailer 9
-
€523 EUR
View
B+
Retailer 10
-
€559 EUR
View
B+
Retailer 11
-
€564 EUR
View
B+
Retailer 12
-
€600 EUR
View
B+
Retailer 13
-
€614 EUR
View
B+
Retailer 14
-
€855 EUR
View
B+
Retailer 15
-
€866 EUR
View
Retailer 16
-
€1,142 EUR
View
Price last confirmed 36 days ago
B
Retailer 17
-
€1,159 EUR
View
B
Retailer 18
-
€1,251 EUR
View
Retailer 19
-
€1,262 EUR
View
Price last confirmed 162 days ago
B
Retailer 20
-
€1,305 EUR
View
B
Retailer 21
-
€1,393 EUR
View
Most Expensive
Brilliant Earth
11259346A · Oct 27
€1,482 EUR
$1,670 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from €317 EURSave up to €1,077 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
€317 EUR