CaratHunter
Plans
Round|Lab Grown|IGI

3.90ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG804659326

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804659326

Diamond specifications and retailer prices

From €2,848 EUR
$3,182 USD
As of October 30, 2026
Save €9,244 EUR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €12,093 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.9ct lab-grown round diamond

This 3.9ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659326 or 804659326. Listed at 12 retailers as of October 30, 2026, with prices from €2,848 to €12,093, a €9,244 spread on the same certified stone. Brilliant Earth lists it at €12,093. 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

3.90
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659326
Dimensions10.12 × 10.06 × 6.19 mm
L/W Ratio1.01
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
10.12 mm10.06 mm3.90 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659326
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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: Oct 30
Current: €12,093 EUR|Low: €2,731 EUR|High: €15,029 EUR|Avg: €6,099 EUR|-19.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9€2,848 EUR
Retailer 4€3,437 EUR
Retailer 3€3,647 EUR
Retailer 5€3,776 EUR
Retailer 8€4,234 EUR
Retailer 2€4,485 EUR
Retailer 11€4,857 EUR
Retailer 7€6,019 EUR
Retailer 10€7,373 EUR
Retailer 6€7,555 EUR
Retailer 12€10,670 EUR
Brilliant Earth€12,093 EUR

40 data points across 12 retailers

12 retailers€2,848 EUR to €12,093 EUR

A
Cheapest Retailer
-
€2,848 EUR
$3,182 USD
B+
Retailer 2
-
€3,437 EUR
HK$30,000 HKD
View
B+
Retailer 3
-
€3,647 EUR
$4,075 USD
View
B+
Retailer 4
-
€3,776 EUR
£3,322 GBP
View
B+
Retailer 5
-
€4,234 EUR
$4,730 USD
View
B+
Retailer 6
-
€4,485 EUR
View
B+
Retailer 7
-
€6,019 EUR
$6,725 USD
View
B
Retailer 8
-
€7,373 EUR
$8,237 USD
View
B+
Retailer 9
-
€7,555 EUR
£6,646 GBP
View
B
Retailer 10
-
€9,785 EUR
$10,932 USD
View
B
Retailer 11
-
€10,888 EUR
$12,164 USD
View
Most Expensive
B
Brilliant Earth
20635014A · Oct 31
€12,093 EUR
$13,510 USD
View
11 more retailers have this diamond
Prices start from €2,848 EURSave up to €9,244 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
3.90ct Round
€2,848 EUR