Heart|Lab Grown|IGI

3.09ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840619858

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840619858

Diamond specifications and retailer prices

From $2,773 USD
As of November 5, 2026
Save $10,907 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $13,680 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.09ct lab-grown heart diamond

This 3.09ct 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 LG840619858 or 840619858. Listed at 9 retailers as of November 5, 2026, with prices from $2,773 to $13,680, a $10,907 spread on the same certified stone. Brilliant Earth lists it at $13,680. 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

3.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840619858
Dimensions9.17 × 10.04 × 5.78 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
9.17 mm10.04 mm3.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840619858
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 57.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $13,680 USD|Low: $2,773 USD|High: $13,680 USD|Avg: $6,573 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$2,773 USD
Retailer 5$2,873 USD
Retailer 2$3,397 USD
Retailer 3$3,430 USD
Retailer 7$3,840 USD
Retailer 8$7,295 USD
Retailer 6$7,670 USD
Retailer 9$10,024 USD
Brilliant Earth$13,680 USD

2 data points across 9 retailers

9 retailers$2,773 USD to $13,680 USD

A
Cheapest Retailer
-
$2,773 USD
Final sale: no returns
A
Retailer 2
-
$2,873 USD
View
Retailer 3
-
$3,397 USD
View
A
Retailer 4
-
$3,430 USD
View
B+
Retailer 5
-
$3,840 USD
View
B+
Retailer 6
-
$7,295 USD
View
B
Retailer 7
-
$7,670 USD
View
B
Retailer 8
-
$10,024 USD
View
Most Expensive
B
Brilliant Earth
22512186A · Nov 5
$13,680 USD
View
8 more retailers have this diamond
Prices start from $2,773 USDSave up to $10,907 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
3.09ct Heart
$2,773 USD