CaratHunter
Plans
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 €3,321 EUR
$3,710 USD
As of November 1, 2026
Save €9,577 EUR (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €12,898 EUR 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 €3,321 to €12,898, a €9,577 spread on the same certified stone. Brilliant Earth lists it at €12,898. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €12,898 EUR|Low: €3,321 EUR|High: €18,179 EUR|Avg: €7,501 EUR|-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€3,321 EUR
Retailer 11€3,441 EUR
Retailer 5€4,296 EUR
Retailer 4€4,545 EUR
Retailer 9€4,959 EUR
Retailer 8€5,199 EUR
Retailer 6€7,321 EUR
Retailer 10€8,607 EUR
Retailer 7€8,767 EUR
Retailer 3€9,071 EUR
Brilliant Earth€12,898 EUR

33 data points across 11 retailers

22 retailers€3,321 EUR to €12,898 EUR

Retailer 1
-
€2,965 EUR
$3,313 USD
Price last confirmed 24 days ago
Retailer 2
-
€3,227 EUR
$3,605 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
€3,321 EUR
$3,710 USD
View
Final sale: no returns
Retailer 4
-
€3,392 EUR
$3,790 USD
View
Price last confirmed 37 days ago
Retailer 5
-
€3,440 EUR
$3,843 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€3,440 EUR
$3,843 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
€3,441 EUR
$3,844 USD
View
A
Retailer 8
-
€3,580 EUR
$4,000 USD
View
A
Retailer 9
-
€4,296 EUR
$4,799 USD
View
Retailer 10
-
€4,299 EUR
$4,803 USD
View
Price last confirmed 32 days ago
A
Retailer 11
-
€4,545 EUR
£3,998 GBP
View
A
Retailer 12
-
€4,745 EUR
$5,301 USD
View
A
Retailer 13
-
€4,959 EUR
$5,540 USD
View
A
Retailer 14
-
€5,199 EUR
$5,808 USD
View
A
Retailer 15
-
€7,321 EUR
ZAR 132,134 ZAR
View
B+
Retailer 16
-
€8,212 EUR
$9,174 USD
View
B+
Retailer 17
-
€8,607 EUR
$9,616 USD
View
B+
Retailer 18
-
€8,767 EUR
£7,712 GBP
View
B+
Retailer 19
-
€9,071 EUR
$10,135 USD
View
B+
Retailer 20
-
€9,544 EUR
$10,663 USD
View
B
Retailer 21
-
€12,057 EUR
$13,470 USD
View
Most Expensive
B+
Brilliant Earth
9991856A · Oct 31
€12,898 EUR
$14,410 USD
View
21 more retailers have this diamond
Prices start from €3,321 EURSave up to €9,577 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
€3,321 EUR