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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 €3,752 EUR
$4,192 USD
As of October 31, 2026
Save €18,110 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €21,862 EUR 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 €3,752 to €21,862, a €18,110 spread on the same certified stone. Novita Diamonds lists it at €21,862. 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

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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: €21,862 EUR|Low: €3,752 EUR|High: €21,862 EUR|Avg: €8,539 EUR
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 1, 2026
Retailer 10€3,752 EUR
Retailer 13€4,560 EUR
Retailer 7€4,817 EUR
Retailer 11€5,527 EUR
Retailer 6€5,868 EUR
Retailer 9€7,733 EUR
Retailer 2€7,782 EUR
Retailer 12€8,262 EUR
Retailer 5€9,649 EUR
Retailer 8€10,231 EUR
Retailer 3€12,783 EUR
Retailer 4€14,250 EUR
Novita Diamonds€21,862 EUR

21 data points across 13 retailers

13 retailers€3,752 EUR to €21,862 EUR

A
Cheapest Retailer
-
€3,752 EUR
$4,192 USD
A
Retailer 2
-
€4,560 EUR
HK$39,800 HKD
View
A
Retailer 3
-
€4,817 EUR
£4,237 GBP
View
A
Retailer 4
-
€5,527 EUR
$6,175 USD
View
A
Retailer 5
-
€5,868 EUR
View
B+
Retailer 6
-
€7,322 EUR
$8,180 USD
View
B+
Retailer 7
-
€7,733 EUR
ZAR 139,561 ZAR
View
A
Retailer 8
-
€7,782 EUR
£6,846 GBP
View
B+
Retailer 9
-
€8,262 EUR
$9,230 USD
View
B+
Retailer 10
-
€9,649 EUR
$10,780 USD
View
B+
Retailer 11
-
€10,231 EUR
$11,430 USD
View
B+
Retailer 12
-
€12,783 EUR
$14,282 USD
View
Most Expensive
B
Novita Diamonds
cert_831649333 · Nov 1
€21,862 EUR
A$37,576 AUD
View
12 more retailers have this diamond
Prices start from €3,752 EURSave up to €18,110 EUR

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
€3,752 EUR