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Heart|Lab Grown|IGI

1.04ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG591351353

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591351353

Diamond specifications and retailer prices

From €327 EUR
As of November 4, 2026
Save €1,101 EUR (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,210 EUR at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

About this 1.04ct lab-grown heart diamond

This 1.04ct 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 LG591351353 or 591351353. Listed at 20 retailers as of November 4, 2026, with a 337% 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

1.04
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591351353
Dimensions6.24 × 7.04 × 4.07 mm
L/W Ratio1.13
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 mm7.04 mm1.04 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591351353
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 57.8%

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: €2,210 EUR|Low: €282 EUR|High: €2,210 EUR|Avg: €726 EUR
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
November 5, 2026
Retailer 9€282 EUR
Retailer 13€327 EUR
Retailer 7€365 EUR
Retailer 8€365 EUR
Retailer 11€367 EUR
Retailer 4€481 EUR
Retailer 14€493 EUR
Retailer 5€550 EUR
Retailer 3€569 EUR
Retailer 15€616 EUR
Retailer 2€632 EUR
Retailer 12€878 EUR
Retailer 16€1,048 EUR
Retailer 6€1,188 EUR
Retailer 17€1,288 EUR
Retailer 10€1,428 EUR
Brilliant Earth€2,210 EUR

38 data points across 17 retailers

20 retailers€327 EUR to €1,428 EUR

Retailer 1
-
€282 EUR
Price last confirmed 34 days ago
A
Retailer 2
-
€327 EUR
View
Final sale: no returns
Retailer 3
-
€342 EUR
View
Price last confirmed 37 days ago
Retailer 4
-
€365 EUR
View
Price last confirmed 33 days ago
Retailer 5
-
€365 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€367 EUR
View
A
Retailer 7
-
€481 EUR
View
A
Retailer 8
-
€493 EUR
View
B+
Retailer 9
-
€550 EUR
View
B+
Retailer 10
-
€569 EUR
View
B+
Retailer 11
-
€616 EUR
View
B+
Retailer 12
-
€632 EUR
View
B+
Retailer 13
-
€878 EUR
View
B
Retailer 14
-
€1,048 EUR
View
Retailer 15
-
€1,173 EUR
View
Price last confirmed 36 days ago
B
Retailer 16
-
€1,188 EUR
View
B
Retailer 17
-
€1,288 EUR
View
Retailer 18
-
€1,300 EUR
View
Price last confirmed 162 days ago
B
Retailer 19
-
€1,428 EUR
View
Most Expensive
Brilliant Earth
11242224A · Oct 9
€2,210 EUR
$2,490 USD
View
Price last confirmed 26 days ago
19 more retailers have this diamond
Prices start from €327 EURSave up to €1,101 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
1.04ct Heart
€327 EUR