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Heart|Lab Grown|IGI

4.39ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG608364597

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG608364597

Diamond specifications and retailer prices

From $4,411 USD
As of November 1, 2026
Save $11,788 USD (73%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,199 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.39ct lab-grown heart diamond

This 4.39ct 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 LG608364597 or 608364597. Listed at 20 retailers as of October 31, 2026, with prices from $4,411 to $16,199, a $11,788 spread on the same certified stone. Taylor and Hart lists it at $16,199. 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

4.39
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608364597
Dimensions9.99 × 11.62 × 6.67 mm
L/W Ratio1.16
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
9.99 mm11.62 mm4.39 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608364597
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 40°Culet: NoneDepth 57.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $5,995 USD|Low: $4,272 USD|High: $21,800 USD|Avg: $9,322 USD|-0.7%
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
Taylor and Hart
November 2, 2026
Retailer 4$4,411 USD
Retailer 3$4,435 USD
Retailer 2$4,570 USD
Retailer 13$4,625 USD
Retailer 1$5,995 USD
Retailer 12$6,060 USD
Retailer 5$6,430 USD
Retailer 14$7,077 USD
Retailer 11$9,725 USD
Retailer 8$9,788 USD
Retailer 9$9,931 USD
Retailer 15$11,025 USD
Retailer 7$12,690 USD
Retailer 6$13,331 USD
Retailer 10$15,220 USD
Taylor and Hart$16,199 USD

38 data points across 16 retailers

20 retailers$4,411 USD to $16,199 USD

Retailer 1
-
$3,782 USD
Price last confirmed 31 days ago
Retailer 2
-
$4,128 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$4,411 USD
View
Final sale: no returns
A
Retailer 4
-
$4,435 USD
View
Retailer 5
-
$4,570 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$4,625 USD
View
Retailer 7
-
$5,710 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
$5,995 USD
£4,721 GBP
View
A
Retailer 9
-
$6,060 USD
View
A
Retailer 10
-
$6,430 USD
View
A
Retailer 11
-
$7,077 USD
View
B+
Retailer 12
-
$9,725 USD
ZAR 157,106 ZAR
View
B+
Retailer 13
-
$9,788 USD
£7,707 GBP
View
B+
Retailer 14
-
$9,931 USD
A$15,279 AUD
View
B+
Retailer 15
-
$11,025 USD
View
B+
Retailer 16
-
$11,539 USD
View
B+
Retailer 17
-
$12,690 USD
View
B+
Retailer 18
-
$13,331 USD
View
B+
Retailer 19
-
$15,220 USD
View
Most Expensive
B
Taylor and Hart
1IUG82T · Oct 31
$16,199 USD
View
19 more retailers have this diamond
Prices start from $4,411 USDSave up to $11,788 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
4.39ct Heart
$4,411 USD