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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 €270 EUR
$302 USD
As of October 30, 2026
Save €1,332 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,602 EUR at Brilliant Earth · As of October 30, 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 October 30, 2026, with prices from €270 to €1,602, a €1,332 spread on the same certified stone. Brilliant Earth lists it at €1,602. 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
Color
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

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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: Oct 30
Current: €1,602 EUR|Low: €270 EUR|High: €2,417 EUR|Avg: €870 EUR|-33.7%
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
October 30, 2026
Retailer 4€270 EUR
Retailer 5€302 EUR
Retailer 17€313 EUR
Retailer 14€335 EUR
Retailer 16€335 EUR
Retailer 13€506 EUR
Retailer 18€540 EUR
Retailer 11€540 EUR
Retailer 6€547 EUR
Retailer 12€575 EUR
Retailer 2€593 EUR
Retailer 7€862 EUR
Retailer 10€958 EUR
Retailer 15€1,076 EUR
Retailer 3€1,119 EUR
Retailer 9€1,293 EUR
Retailer 8€1,380 EUR
Brilliant Earth€1,602 EUR

39 data points across 18 retailers

18 retailers€270 EUR to €1,602 EUR

A
Cheapest Retailer
-
€270 EUR
$302 USD
A
Retailer 2
-
€302 EUR
$337 USD
View
Final sale: no returns
A
Retailer 3
-
€313 EUR
$350 USD
View
A
Retailer 4
-
€335 EUR
$374 USD
View
A
Retailer 5
-
€335 EUR
$374 USD
View
A
Retailer 6
-
€506 EUR
$565 USD
View
B+
Retailer 7
-
€540 EUR
$603 USD
View
B+
Retailer 8
-
€540 EUR
View
B+
Retailer 9
-
€547 EUR
$611 USD
View
B+
Retailer 10
-
€575 EUR
ZAR 10,384 ZAR
View
B+
Retailer 11
-
€593 EUR
£522 GBP
View
B
Retailer 12
-
€862 EUR
$963 USD
View
B
Retailer 13
-
€958 EUR
SGD 1,447 SGD
View
B+
Retailer 14
-
€1,076 EUR
$1,202 USD
View
B
Retailer 15
-
€1,119 EUR
$1,250 USD
View
B
Retailer 16
-
€1,293 EUR
$1,444 USD
View
Retailer 17
-
€1,380 EUR
£1,214 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21421190A · Oct 30
€1,602 EUR
$1,790 USD
View
17 more retailers have this diamond
Prices start from €270 EURSave up to €1,332 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
€270 EUR