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Heart|Lab Grown|IGI

1.42ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816614783

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816614783

Diamond specifications and retailer prices

From $474 SGD
$371 USD
As of November 2, 2026
Save $3,311 SGD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,589 SGD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.42ct lab-grown heart diamond

This 1.42ct 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 LG816614783 or 816614783. Listed at 18 retailers as of November 2, 2026, with a 698% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816614783
Dimensions7.78 × 6.97 × 4.46 mm
L/W Ratio1.12
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
7.78 mm6.97 mm1.42 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816614783
Side View
Table 58.0%Crown 34.2°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 57.3%

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: $3,786 SGD|Low: $474 SGD|High: $5,410 SGD|Avg: $1,580 SGD|-30.0%
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
November 3, 2026
Retailer 13$474 SGD
Retailer 6$563 SGD
Retailer 15$572 SGD
Retailer 5$623 SGD
Retailer 17$623 SGD
Retailer 3$812 SGD
Retailer 9$989 SGD
Retailer 10$1,052 SGD
Retailer 14$1,074 SGD
Retailer 7$1,368 SGD
Retailer 12$1,510 SGD
Retailer 4$2,003 SGD
Retailer 2$2,045 SGD
Retailer 8$2,050 SGD
Retailer 11$2,358 SGD
Retailer 16$2,435 SGD
Brilliant Earth$3,786 SGD

29 data points across 17 retailers

18 retailers$474 SGD to $3,786 SGD

A+
Cheapest Retailer
-
$474 SGD
$371 USD
A
Retailer 2
-
$563 SGD
$440 USD
View
A
Retailer 3
-
$572 SGD
$447 USD
View
Final sale: no returns
A
Retailer 4
-
$623 SGD
$487 USD
View
Retailer 5
-
$623 SGD
$487 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$812 SGD
$635 USD
View
A
Retailer 7
-
$989 SGD
$773 USD
View
A
Retailer 8
-
$1,052 SGD
£648 GBP
View
A
Retailer 9
-
$1,074 SGD
ZAR 13,570 ZAR
View
B+
Retailer 10
-
$1,368 SGD
$1,070 USD
View
B+
Retailer 11
-
$1,510 SGD
$1,181 USD
View
B+
Retailer 12
-
$2,003 SGD
$1,566 USD
View
B+
Retailer 13
-
$2,045 SGD
View
B+
Retailer 14
-
$2,050 SGD
$1,603 USD
View
B+
Retailer 15
-
$2,358 SGD
$1,844 USD
View
B+
Retailer 16
-
$2,435 SGD
£1,499 GBP
View
B
Retailer 17
-
$3,786 SGD
$2,960 USD
View
Most Expensive
Brilliant Earth
21094848A · Sep 28
$5,589 SGD
$4,370 USD
View
Price last confirmed 35 days ago
17 more retailers have this diamond
Prices start from $474 SGDSave up to $3,311 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+
1.42ct Heart
$474 SGD