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Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816615560

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816615560

Diamond specifications and retailer prices

From €251 EUR
As of November 4, 2026
Save €1,187 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,438 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 LG816615560 or 816615560. Listed at 18 retailers as of November 4, 2026, with prices from €251 to €1,438, a €1,187 spread on the same certified stone. Brilliant Earth lists it at €1,438. 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 angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615560
Dimensions6.95 × 6.33 × 4.12 mm
L/W Ratio1.10
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 mm6.33 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615560
Side View
Table 59.0%Crown 34.3°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: €1,438 EUR|Low: €251 EUR|High: €2,396 EUR|Avg: €769 EUR|-40.0%
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 6€251 EUR
Retailer 14€291 EUR
Retailer 5€296 EUR
Retailer 4€312 EUR
Retailer 8€332 EUR
Retailer 15€453 EUR
Retailer 16€501 EUR
Retailer 13€512 EUR
Retailer 17€530 EUR
Retailer 2€544 EUR
Retailer 7€572 EUR
Retailer 18€804 EUR
Retailer 10€950 EUR
Retailer 12€1,001 EUR
Retailer 3€1,046 EUR
Retailer 11€1,244 EUR
Retailer 9€1,282 EUR
Brilliant Earth€1,438 EUR

32 data points across 18 retailers

18 retailers€251 EUR to €1,438 EUR

A+
Cheapest Retailer
-
€251 EUR
A
Retailer 2
-
€291 EUR
View
A
Retailer 3
-
€296 EUR
View
Final sale: no returns
A
Retailer 4
-
€312 EUR
View
Retailer 5
-
€332 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€453 EUR
View
A
Retailer 7
-
€501 EUR
View
A
Retailer 8
-
€512 EUR
View
B+
Retailer 9
-
€530 EUR
View
B+
Retailer 10
-
€544 EUR
View
B+
Retailer 11
-
€572 EUR
View
B+
Retailer 12
-
€804 EUR
View
B
Retailer 13
-
€950 EUR
View
B+
Retailer 14
-
€1,001 EUR
View
B+
Retailer 15
-
€1,046 EUR
View
B
Retailer 16
-
€1,244 EUR
View
B
Retailer 17
-
€1,282 EUR
View
Most Expensive
B
Brilliant Earth
21421190A · Nov 4
€1,438 EUR
$1,620 USD
View
17 more retailers have this diamond
Prices start from €251 EURSave up to €1,187 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
€251 EUR