Heart|Lab Grown|IGI

3.09ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840634518

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634518

Diamond specifications and retailer prices

From $2,267 USD
As of October 30, 2026
Save $7,773 USD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,040 USD at With Clarity · As of October 31, 2026
View at With Clarity

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 LG840634518 or 840634518. Listed at 19 retailers as of October 30, 2026, with prices from $2,267 to $10,040, a $7,773 spread on the same certified stone. With Clarity lists it at $10,040. 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 angle32.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634518
Dimensions9.26 × 10.16 × 5.66 mm
L/W Ratio1.10
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
9.26 mm10.16 mm3.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634518
Side View
Table 56.0%Crown 32.8°Girdle: MED-THKPavilion 38°Culet: NoneDepth 55.7%

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: $4,337 USD|Low: $2,267 USD|High: $11,846 USD|Avg: $4,844 USD|+0.2%
Retailer 1
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
With Clarity
October 31, 2026
Retailer 7$2,267 USD
Retailer 3$2,466 USD
Retailer 5$2,627 USD
Retailer 16$2,629 USD
Retailer 6$2,734 USD
Retailer 17$2,795 USD
Retailer 12$3,138 USD
Retailer 2$3,362 USD
Retailer 18$3,614 USD
Retailer 13$3,620 USD
Retailer 11$3,759 USD
Retailer 9$4,104 USD
Retailer 1$4,337 USD
Retailer 14$6,105 USD
Retailer 8$6,817 USD
Retailer 15$7,172 USD
Retailer 10$9,166 USD
Retailer 4$9,185 USD
With Clarity$10,040 USD

13 data points across 19 retailers

19 retailers$2,267 USD to $10,040 USD

A
Cheapest Retailer
-
$2,267 USD
A
Retailer 2
-
$2,466 USD
View
A
Retailer 3
-
$2,627 USD
View
Final sale: no returns
A
Retailer 4
-
$2,629 USD
View
A
Retailer 5
-
$2,734 USD
View
A
Retailer 6
-
$2,795 USD
View
A
Retailer 7
-
$3,138 USD
£2,471 GBP
View
A
Retailer 8
-
$3,362 USD
View
A
Retailer 9
-
$3,614 USD
View
A
Retailer 10
-
$3,620 USD
£2,850 GBP
View
A
Retailer 11
-
$3,759 USD
View
B+
Retailer 12
-
$4,104 USD
View
B+
Retailer 13
-
$4,337 USD
€4,130 EUR
View
B+
Retailer 14
-
$6,105 USD
ZAR 98,632 ZAR
View
B+
Retailer 15
-
$6,817 USD
View
B
Retailer 16
-
$7,172 USD
£5,647 GBP
View
B+
Retailer 17
-
$9,166 USD
SGD 12,387 SGD
View
B
Retailer 18
-
$9,185 USD
View
Most Expensive
B
With Clarity
840634518 · Oct 31
$10,040 USD
View
18 more retailers have this diamond
Prices start from $2,267 USDSave up to $7,773 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
$2,267 USD