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Heart|Lab Grown|IGI

4.09ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG831649333

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831649333

Diamond specifications and retailer prices

From $4,192 USD
As of October 31, 2026
Save $20,232 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $24,424 USD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

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 LG831649333 or 831649333. Listed at 13 retailers as of October 31, 2026, with prices from $4,192 to $24,424, a $20,232 spread on the same certified stone. Novita Diamonds lists it at $24,424. 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 angle32.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831649333
Dimensions10.13 × 11.16 × 6.51 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
10.13 mm11.16 mm4.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831649333
Side View
Table 55.0%Crown 32.6°Girdle: MediumPavilion 40.1°Culet: NoneDepth 58.3%

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 31
Current: $24,424 USD|Low: $4,192 USD|High: $24,424 USD|Avg: $9,568 USD
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10$4,192 USD
Retailer 13$5,094 USD
Retailer 2$5,426 USD
Retailer 11$6,175 USD
Retailer 7$6,556 USD
Retailer 9$8,639 USD
Retailer 6$8,694 USD
Retailer 12$9,230 USD
Retailer 5$10,780 USD
Retailer 8$11,430 USD
Retailer 3$14,282 USD
Retailer 4$15,920 USD
Novita Diamonds$24,424 USD

22 data points across 13 retailers

13 retailers$4,192 USD to $24,424 USD

A
Cheapest Retailer
-
$4,192 USD
A
Retailer 2
-
$5,094 USD
HK$39,800 HKD
View
A
Retailer 3
-
$5,426 USD
£4,273 GBP
View
A
Retailer 4
-
$6,175 USD
View
A
Retailer 5
-
$6,556 USD
€6,244 EUR
View
B+
Retailer 6
-
$8,180 USD
View
B+
Retailer 7
-
$8,639 USD
ZAR 139,561 ZAR
View
A
Retailer 8
-
$8,694 USD
£6,846 GBP
View
B+
Retailer 9
-
$9,230 USD
View
B+
Retailer 10
-
$10,780 USD
View
B+
Retailer 11
-
$11,430 USD
View
B+
Retailer 12
-
$14,282 USD
View
Most Expensive
B
Novita Diamonds
cert_831649333 · Nov 1
$24,424 USD
A$37,576 AUD
View
12 more retailers have this diamond
Prices start from $4,192 USDSave up to $20,232 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
$4,192 USD