Heart|Lab Grown|IGI

1.42ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG804656411

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804656411

Diamond specifications and retailer prices

From $393 USD
As of October 30, 2026
Save $2,567 USD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,960 USD at Brilliant Earth · As of October 31, 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 LG804656411 or 804656411. Listed at 18 retailers as of October 30, 2026, with prices from $393 to $2,960, a $2,567 spread on the same certified stone. Brilliant Earth lists it at $2,960. 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
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804656411
Dimensions6.95 × 7.79 × 4.57 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
6.95 mm7.79 mm1.42 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804656411
Side View
Table 60.0%Crown 35.7°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 58.7%

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: $2,960 USD|Low: $393 USD|High: $4,230 USD|Avg: $1,211 USD|-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
Retailer 18
November 1, 2026
Retailer 7$393 USD
Retailer 18$440 USD
Retailer 2$447 USD
Retailer 14$487 USD
Retailer 16$487 USD
Retailer 6$727 USD
Retailer 13$735 USD
Retailer 8$773 USD
Retailer 11$792 USD
Retailer 12$837 USD
Retailer 3$1,070 USD
Retailer 9$1,168 USD
Retailer 15$1,566 USD
Retailer 5$1,603 USD
Retailer 10$1,675 USD
Retailer 17$1,906 USD
Retailer 4$1,939 USD
Brilliant Earth$2,960 USD

32 data points across 18 retailers

18 retailers$393 USD to $2,960 USD

A
Cheapest Retailer
-
$393 USD
A
Retailer 2
-
$440 USD
View
A
Retailer 3
-
$447 USD
View
Final sale: no returns
A
Retailer 4
-
$487 USD
View
Retailer 5
-
$487 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$727 USD
View
A
Retailer 7
-
$735 USD
View
A
Retailer 8
-
$773 USD
View
A
Retailer 9
-
$792 USD
£624 GBP
View
A
Retailer 10
-
$837 USD
ZAR 13,522 ZAR
View
B+
Retailer 11
-
$1,070 USD
View
B+
Retailer 12
-
$1,168 USD
View
B+
Retailer 13
-
$1,566 USD
View
B+
Retailer 14
-
$1,603 USD
View
B+
Retailer 15
-
$1,675 USD
SGD 2,263 SGD
View
Retailer 16
-
$1,906 USD
£1,501 GBP
View
Price last confirmed 7 days ago
B+
Retailer 17
-
$1,939 USD
View
Most Expensive
B
Brilliant Earth
21420565A · Oct 31
$2,960 USD
View
17 more retailers have this diamond
Prices start from $393 USDSave up to $2,567 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
1.42ct Heart
$393 USD