Heart|Lab Grown|IGI

4.07ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG846658046

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846658046

Diamond specifications and retailer prices

From $6,129 USD
As of October 30, 2026
Save $17,621 USD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $23,750 USD at With Clarity · As of October 28, 2026
View at With Clarity

About this 4.07ct lab-grown heart diamond

This 4.07ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846658046 or 846658046. Listed at 3 retailers as of October 28, 2026, with prices from $6,129 to $23,750, a $17,621 spread on the same certified stone. With Clarity lists it at $23,750. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.07
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846658046
Dimensions9.49 × 10.98 × 6.66 mm
L/W Ratio1.16
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
9.49 mm10.98 mm4.07 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846658046
Side View
Table 59.0%Crown 37.1°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $6,129 USD|Low: $6,129 USD|High: $50,093 USD|Avg: $28,158 USD|-85.2%
Retailer 1
Retailer 2
With Clarity
October 30, 2026
Retailer 1$6,129 USD
Retailer 2$10,573 USD
With Clarity$23,750 USD

4 data points across 3 retailers

3 retailers$6,129 USD to $23,750 USD

A
Cheapest Retailer
-
$6,129 USD
B+
Retailer 2
-
$10,573 USD
£8,325 GBP
View
Most Expensive
B
With Clarity
846658046 · Oct 28
$23,750 USD
View
2 more retailers have this diamond
Prices start from $6,129 USDSave up to $17,621 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
4.07ct Heart
$6,129 USD