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Heart|Lab Grown|IGI

4.09ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG627421483

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627421483

Diamond specifications and retailer prices

From $3,710 USD
As of November 1, 2026
Save $10,700 USD (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,410 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.09ct lab-grown heart diamond

This 4.09ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627421483 or 627421483. Listed at 22 retailers as of October 31, 2026, with prices from $3,710 to $14,410, a $10,700 spread on the same certified stone. Brilliant Earth lists it at $14,410. 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

4.09
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627421483
Dimensions9.86 × 10.97 × 6.59 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
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
9.86 mm10.97 mm4.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627421483
Side View
Table 59.0%Crown 37.2°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $14,410 USD|Low: $3,710 USD|High: $20,310 USD|Avg: $8,380 USD|-29.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2$3,710 USD
Retailer 11$3,844 USD
Retailer 5$4,799 USD
Retailer 4$5,078 USD
Retailer 9$5,540 USD
Retailer 8$5,808 USD
Retailer 6$8,179 USD
Retailer 10$9,616 USD
Retailer 7$9,794 USD
Retailer 3$10,135 USD
Brilliant Earth$14,410 USD

33 data points across 11 retailers

22 retailers$3,710 USD to $14,410 USD

Retailer 1
-
$3,313 USD
Price last confirmed 24 days ago
Retailer 2
-
$3,605 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$3,710 USD
View
Final sale: no returns
Retailer 4
-
$3,790 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$3,843 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$3,843 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$3,844 USD
View
A
Retailer 8
-
$4,000 USD
View
A
Retailer 9
-
$4,799 USD
View
Retailer 10
-
$4,803 USD
View
Price last confirmed 32 days ago
A
Retailer 11
-
$5,078 USD
£3,998 GBP
View
A
Retailer 12
-
$5,301 USD
View
A
Retailer 13
-
$5,540 USD
View
A
Retailer 14
-
$5,808 USD
View
A
Retailer 15
-
$8,179 USD
ZAR 132,134 ZAR
View
B+
Retailer 16
-
$9,174 USD
View
B+
Retailer 17
-
$9,616 USD
View
B+
Retailer 18
-
$9,794 USD
£7,712 GBP
View
B+
Retailer 19
-
$10,135 USD
View
B+
Retailer 20
-
$10,663 USD
View
B
Retailer 21
-
$13,470 USD
View
Most Expensive
B+
Brilliant Earth
9991856A · Oct 31
$14,410 USD
View
21 more retailers have this diamond
Prices start from $3,710 USDSave up to $10,700 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
4.09ct Heart
$3,710 USD