CaratHunter
Plans
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 €352 EUR
$393 USD
As of October 30, 2026
Save €2,298 EUR (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,912 EUR 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 October 30, 2026, with a 653% 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
Color
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
Excellent
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: Oct 30
Current: €2,649 EUR|Low: €352 EUR|High: €3,786 EUR|Avg: €1,105 EUR|-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 1, 2026
Retailer 6€352 EUR
Retailer 17€394 EUR
Retailer 2€400 EUR
Retailer 13€436 EUR
Retailer 16€436 EUR
Retailer 14€568 EUR
Retailer 7€692 EUR
Retailer 11€709 EUR
Retailer 12€749 EUR
Retailer 3€958 EUR
Retailer 8€1,045 EUR
Retailer 15€1,402 EUR
Retailer 5€1,434 EUR
Retailer 9€1,499 EUR
Retailer 10€1,704 EUR
Retailer 4€1,736 EUR
Brilliant Earth€2,649 EUR

32 data points across 17 retailers

18 retailers€352 EUR to €2,649 EUR

A
Cheapest Retailer
-
€352 EUR
$393 USD
A
Retailer 2
-
€394 EUR
$440 USD
View
A
Retailer 3
-
€400 EUR
$447 USD
View
Final sale: no returns
A
Retailer 4
-
€436 EUR
$487 USD
View
Retailer 5
-
€436 EUR
$487 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€568 EUR
$635 USD
View
A
Retailer 7
-
€692 EUR
$773 USD
View
A
Retailer 8
-
€709 EUR
£624 GBP
View
A
Retailer 9
-
€749 EUR
ZAR 13,522 ZAR
View
B+
Retailer 10
-
€958 EUR
$1,070 USD
View
B+
Retailer 11
-
€1,045 EUR
$1,168 USD
View
B+
Retailer 12
-
€1,402 EUR
$1,566 USD
View
B+
Retailer 13
-
€1,434 EUR
$1,603 USD
View
B+
Retailer 14
-
€1,499 EUR
SGD 2,263 SGD
View
B+
Retailer 15
-
€1,704 EUR
£1,499 GBP
View
B+
Retailer 16
-
€1,736 EUR
$1,939 USD
View
B
Retailer 17
-
€2,649 EUR
$2,960 USD
View
Most Expensive
Brilliant Earth
21094848A · Sep 28
€3,912 EUR
$4,370 USD
View
Price last confirmed 33 days ago
17 more retailers have this diamond
Prices start from €352 EURSave up to €2,298 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
1.42ct Heart
€352 EUR