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Heart|Lab Grown|IGI

1.04ct D FL Heart Lab Grown Diamond

GD • D/FL • IGI LG818662856

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818662856

Diamond specifications and retailer prices

From €347 EUR
As of November 3, 2026
Save €1,134 EUR (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,488 EUR at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

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 FL clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG818662856 or 818662856. Listed at 17 retailers as of November 3, 2026, with a 327% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.04
Carat
D
Colour
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662856
Dimensions6.18 × 6.88 × 3.96 mm
L/W Ratio1.11
Girdle conditionFaceted
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
6.18 mm6.88 mm1.04 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662856
Side View
Table 64.0%Crown 40.2°Girdle: ThickPavilion 37°Culet: NoneDepth 57.6%

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 3
Current: €585 EUR|Low: €347 EUR|High: €1,721 EUR|Avg: €914 EUR|-22.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 3€347 EUR
Retailer 4€463 EUR
Retailer 8€519 EUR
Retailer 10€541 EUR
Retailer 12€558 EUR
Retailer 1€585 EUR
Retailer 7€662 EUR
Retailer 2€874 EUR
Retailer 9€947 EUR
Retailer 6€1,112 EUR
Retailer 5€1,330 EUR
Retailer 11€1,481 EUR

34 data points across 12 retailers

17 retailers€347 EUR to €1,481 EUR

A
Cheapest Retailer
-
€347 EUR
Final sale: no returns
Retailer 2
-
€374 EUR
View
Price last confirmed 28 days ago
Retailer 3
-
€418 EUR
View
Price last confirmed 37 days ago
Retailer 4
-
€457 EUR
View
Price last confirmed 41 days ago
Retailer 5
-
€463 EUR
View
Price last confirmed 33 days ago
Retailer 6
-
€463 EUR
View
Price last confirmed 24 days ago
B+
Retailer 7
-
€519 EUR
View
B+
Retailer 8
-
€541 EUR
View
B+
Retailer 9
-
€558 EUR
View
B+
Retailer 10
-
€585 EUR
View
B+
Retailer 11
-
€662 EUR
View
B
Retailer 12
-
€874 EUR
View
B
Retailer 13
-
€947 EUR
View
B
Retailer 14
-
€1,112 EUR
View
B
Retailer 15
-
€1,330 EUR
View
B
Retailer 16
-
€1,481 EUR
View
Most Expensive
NZ Jewellers
dd7ee2ce-d6f5-454f-98d1-31a1a6dcf20f · Sep 30
€1,488 EUR
$1,677 USD
View
Price last confirmed 35 days ago
16 more retailers have this diamond
Prices start from €347 EURSave up to €1,134 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
€347 EUR