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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 $465 SGD
As of November 4, 2026
Save $3,241 SGD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,706 SGD at Brilliant Earth · As of November 4, 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 4, 2026, with prices from $465 to $3,706, a $3,241 spread on the same certified stone. Brilliant Earth lists it at $3,706. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,706 SGD|Low: $465 SGD|High: $3,744 SGD|Avg: $1,244 SGD|-1.0%
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 8$465 SGD
Retailer 4$519 SGD
Retailer 13$539 SGD
Retailer 3$576 SGD
Retailer 10$611 SGD
Retailer 14$767 SGD
Retailer 15$910 SGD
Retailer 12$923 SGD
Retailer 2$1,029 SGD
Retailer 9$1,052 SGD
Retailer 16$1,305 SGD
Retailer 17$1,454 SGD
Retailer 6$1,730 SGD
Retailer 11$1,853 SGD
Retailer 18$1,904 SGD
Retailer 5$2,006 SGD
Retailer 7$2,252 SGD
Brilliant Earth$3,706 SGD

29 data points across 18 retailers

18 retailers$465 SGD to $3,706 SGD

A+
Cheapest Retailer
-
$465 SGD
A
Retailer 2
-
$519 SGD
View
Final sale: no returns
A
Retailer 3
-
$539 SGD
View
A
Retailer 4
-
$576 SGD
View
Retailer 5
-
$611 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$767 SGD
View
A
Retailer 7
-
$910 SGD
View
A
Retailer 8
-
$923 SGD
View
A
Retailer 9
-
$1,029 SGD
View
A
Retailer 10
-
$1,052 SGD
View
B+
Retailer 11
-
$1,305 SGD
View
B+
Retailer 12
-
$1,454 SGD
View
B+
Retailer 13
-
$1,730 SGD
View
B+
Retailer 14
-
$1,853 SGD
View
B+
Retailer 15
-
$1,904 SGD
View
B+
Retailer 16
-
$2,006 SGD
View
B+
Retailer 17
-
$2,252 SGD
View
Most Expensive
B
Brilliant Earth
21421553A · Nov 4
$3,706 SGD
$2,900 USD
View
17 more retailers have this diamond
Prices start from $465 SGDSave up to $3,241 SGD

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
$465 SGD