CaratHunter
Plans
Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816624834

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816624834

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)
19 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 LG816624834 or 816624834. Listed at 19 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 angle36°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624834
Dimensions6.95 × 6.42 × 3.95 mm
L/W Ratio1.08
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
6.95 mm6.42 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624834
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 56.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
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: €973 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
Retailer 14
November 5, 2026
Retailer 5€343 EUR
Retailer 6€453 EUR
Retailer 11€515 EUR
Retailer 13€537 EUR
Retailer 2€549 EUR
Retailer 3€549 EUR
Retailer 10€612 EUR
Retailer 8€657 EUR
Retailer 4€866 EUR
Retailer 12€937 EUR
Retailer 7€1,053 EUR
Retailer 14€1,472 EUR
Retailer 9€1,488 EUR
Brilliant Earth€2,121 EUR

36 data points across 14 retailers

19 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
-
€446 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
-
€612 EUR
View
B+
Retailer 12
-
€657 EUR
View
B+
Retailer 13
-
€866 EUR
View
B+
Retailer 14
-
€937 EUR
View
B+
Retailer 15
-
€1,053 EUR
View
Retailer 16
-
€1,455 EUR
View
Price last confirmed 36 days ago
B
Retailer 17
-
€1,472 EUR
View
B
Retailer 18
-
€1,488 EUR
View
Most Expensive
B
Brilliant Earth
21019228A · Nov 4
€2,121 EUR
$2,390 USD
View
18 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