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Heart|Lab Grown|IGI

1.39ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816615885

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816615885

Diamond specifications and retailer prices

From €345 EUR
$385 USD
As of October 30, 2026
Save €2,278 EUR (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,623 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.39ct lab-grown heart diamond

This 1.39ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615885 or 816615885. Listed at 18 retailers as of October 30, 2026, with prices from €345 to €2,623, a €2,278 spread on the same certified stone. Brilliant Earth lists it at €2,623. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615885
Dimensions7.14 × 7.77 × 4.27 mm
L/W Ratio1.09
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
7.14 mm7.77 mm1.39 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615885
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 55.0%

Caratlytics Score

How it works →
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: €2,623 EUR|Low: €345 EUR|High: €3,706 EUR|Avg: €1,053 EUR|-29.2%
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 1, 2026
Retailer 7€345 EUR
Retailer 3€386 EUR
Retailer 2€413 EUR
Retailer 16€428 EUR
Retailer 18€428 EUR
Retailer 15€559 EUR
Retailer 13€672 EUR
Retailer 8€679 EUR
Retailer 14€735 EUR
Retailer 12€774 EUR
Retailer 4€920 EUR
Retailer 9€1,024 EUR
Retailer 5€1,343 EUR
Retailer 17€1,374 EUR
Retailer 6€1,408 EUR
Retailer 10€1,541 EUR
Retailer 11€1,670 EUR
Brilliant Earth€2,623 EUR

30 data points across 18 retailers

18 retailers€345 EUR to €2,623 EUR

A
Cheapest Retailer
-
€345 EUR
$385 USD
A
Retailer 2
-
€386 EUR
$431 USD
View
A
Retailer 3
-
€413 EUR
$461 USD
View
Final sale: no returns
A
Retailer 4
-
€428 EUR
$478 USD
View
Retailer 5
-
€428 EUR
$478 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€559 EUR
$625 USD
View
A
Retailer 7
-
€672 EUR
View
A
Retailer 8
-
€679 EUR
$759 USD
View
A
Retailer 9
-
€735 EUR
ZAR 13,257 ZAR
View
A
Retailer 10
-
€774 EUR
£681 GBP
View
B+
Retailer 11
-
€920 EUR
$1,028 USD
View
B+
Retailer 12
-
€1,024 EUR
$1,144 USD
View
B+
Retailer 13
-
€1,343 EUR
$1,500 USD
View
B+
Retailer 14
-
€1,374 EUR
$1,535 USD
View
B+
Retailer 15
-
€1,408 EUR
$1,573 USD
View
B+
Retailer 16
-
€1,541 EUR
SGD 2,326 SGD
View
B+
Retailer 17
-
€1,670 EUR
£1,469 GBP
View
Most Expensive
B
Brilliant Earth
21421553A · Oct 31
€2,623 EUR
$2,930 USD
View
17 more retailers have this diamond
Prices start from €345 EURSave up to €2,278 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
1.39ct Heart
€345 EUR