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Heart|Lab Grown|IGI

3.49ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG821640937

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821640937

Diamond specifications and retailer prices

From $2,375 USD
As of October 27, 2026
Save $13,965 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,340 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.49ct lab-grown heart diamond

This 3.49ct 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 LG821640937 or 821640937. Listed at 11 retailers as of October 27, 2026, with prices from $2,375 to $16,340, a $13,965 spread on the same certified stone. Do Amore Diamonds lists it at $16,340. 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

3.49
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821640937
Dimensions9.59 × 10.15 × 6.14 mm
L/W Ratio1.06
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
9.59 mm10.15 mm3.49 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821640937
Side View
Table 60.0%Crown 37°Girdle: THK-VTKPavilion 39.7°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
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 27
Current: $16,340 USD|Low: $2,375 USD|High: $19,840 USD|Avg: $7,387 USD|-17.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$2,375 USD
Retailer 11$2,584 USD
Retailer 9$2,920 USD
Retailer 12$3,222 USD
Retailer 8$4,130 USD
Retailer 10$4,179 USD
Retailer 7$4,297 USD
Retailer 2$5,145 USD
Retailer 5$8,184 USD
Retailer 4$15,002 USD
Retailer 3$15,460 USD
Do Amore Diamonds$16,340 USD

25 data points across 12 retailers

11 retailers$2,375 USD to $16,340 USD

A
Cheapest Retailer
-
$2,375 USD
A
Retailer 2
-
$2,584 USD
View
A
Retailer 3
-
$2,920 USD
View
A
Retailer 4
-
$3,222 USD
View
A
Retailer 5
-
$4,130 USD
View
A
Retailer 6
-
$4,179 USD
View
B+
Retailer 7
-
$4,297 USD
View
B+
Retailer 8
-
$5,145 USD
€4,900 EUR
View
B+
Retailer 9
-
$8,184 USD
£6,444 GBP
View
B
Retailer 10
-
$15,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-00B62D06B · Oct 29
$16,340 USD
View
10 more retailers have this diamond
Prices start from $2,375 USDSave up to $13,965 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
3.49ct Heart
$2,375 USD