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Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816612622

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816612622

Diamond specifications and retailer prices

From €343 EUR
As of November 3, 2026
Save €1,779 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,121 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612622 or 816612622. Listed at 18 retailers as of November 3, 2026, with prices from €343 to €2,121, a €1,779 spread on the same certified stone. Brilliant Earth lists it at €2,121. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612622
Dimensions7.02 × 6.25 × 3.94 mm
L/W Ratio1.12
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
7.02 mm6.25 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612622
Side View
Table 57.0%Crown 38.7°Girdle: MED-THKPavilion 36.4°Culet: NoneDepth 56.1%

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: €2,121 EUR|Low: €343 EUR|High: €2,405 EUR|Avg: €979 EUR|-11.8%
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
November 5, 2026
Retailer 4€343 EUR
Retailer 5€432 EUR
Retailer 9€515 EUR
Retailer 11€537 EUR
Retailer 2€549 EUR
Retailer 13€549 EUR
Retailer 8€657 EUR
Retailer 3€866 EUR
Retailer 10€937 EUR
Retailer 7€1,053 EUR
Retailer 6€1,255 EUR
Retailer 12€1,472 EUR
Brilliant Earth€2,121 EUR

34 data points across 13 retailers

18 retailers€343 EUR to €2,121 EUR

A
Cheapest Retailer
-
€343 EUR
Final sale: no returns
Retailer 2
-
€365 EUR
View
Price last confirmed 28 days ago
Retailer 3
-
€409 EUR
View
Price last confirmed 37 days ago
Retailer 4
-
€426 EUR
View
Price last confirmed 41 days ago
Retailer 5
-
€453 EUR
View
Price last confirmed 33 days ago
Retailer 6
-
€453 EUR
View
Price last confirmed 24 days ago
A
Retailer 7
-
€515 EUR
View
B+
Retailer 8
-
€537 EUR
View
B+
Retailer 9
-
€549 EUR
View
B+
Retailer 10
-
€549 EUR
View
B+
Retailer 11
-
€657 EUR
View
B+
Retailer 12
-
€866 EUR
View
B+
Retailer 13
-
€937 EUR
View
B+
Retailer 14
-
€1,053 EUR
View
B
Retailer 15
-
€1,255 EUR
View
Retailer 16
-
€1,455 EUR
View
Price last confirmed 36 days ago
B
Retailer 17
-
€1,472 EUR
View
Most Expensive
B
Brilliant Earth
21018442A · Nov 4
€2,121 EUR
$2,390 USD
View
17 more retailers have this diamond
Prices start from €343 EURSave up to €1,779 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
€343 EUR