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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 $364 USD
As of November 2, 2026
Save $2,566 USD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,930 USD at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from $364 to $2,930, a $2,566 spread on the same certified stone. Brilliant Earth lists it at $2,930. 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+
Exceptional
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 2
Current: $2,930 USD|Low: $364 USD|High: $4,140 USD|Avg: $1,180 USD|-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 2, 2026
Retailer 2$364 USD
Retailer 4$431 USD
Retailer 13$461 USD
Retailer 3$478 USD
Retailer 17$478 USD
Retailer 16$625 USD
Retailer 15$751 USD
Retailer 8$759 USD
Retailer 11$824 USD
Retailer 12$865 USD
Retailer 5$1,028 USD
Retailer 9$1,144 USD
Retailer 6$1,500 USD
Retailer 18$1,535 USD
Retailer 7$1,573 USD
Retailer 10$1,721 USD
Retailer 14$1,866 USD
Brilliant Earth$2,930 USD

29 data points across 18 retailers

18 retailers$364 USD to $2,930 USD

A+
Cheapest Retailer
-
$364 USD
A
Retailer 2
-
$431 USD
View
A
Retailer 3
-
$461 USD
View
Final sale: no returns
A
Retailer 4
-
$478 USD
View
Retailer 5
-
$478 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$625 USD
View
A
Retailer 7
-
$751 USD
€715 EUR
View
A
Retailer 8
-
$759 USD
View
A
Retailer 9
-
$824 USD
ZAR 13,304 ZAR
View
A
Retailer 10
-
$865 USD
£681 GBP
View
B+
Retailer 11
-
$1,028 USD
View
B+
Retailer 12
-
$1,144 USD
View
B+
Retailer 13
-
$1,500 USD
View
B+
Retailer 14
-
$1,535 USD
View
B+
Retailer 15
-
$1,573 USD
View
B+
Retailer 16
-
$1,721 USD
SGD 2,326 SGD
View
B+
Retailer 17
-
$1,866 USD
£1,469 GBP
View
Most Expensive
B
Brilliant Earth
21421553A · Nov 2
$2,930 USD
View
17 more retailers have this diamond
Prices start from $364 USDSave up to $2,566 USD

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
$364 USD