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Princess|Lab Grown|IGI

3.98ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG784630384

Shape and cutting style on the report: Princess cut

Certificate IGI LG784630384

Diamond specifications and retailer prices

From €5,697 EUR
$6,365 USD
As of October 31, 2026
Save €15,831 EUR (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €21,528 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.98ct lab-grown princess diamond

This 3.98ct lab-grown princess 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 LG784630384 or 784630384. Listed at 13 retailers as of October 31, 2026, with prices from €5,697 to €21,528, a €15,831 spread on the same certified stone. Frank Darling lists it at €21,528. 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

3.98
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784630384
Dimensions8.57 × 8.34 × 6.09 mm
L/W Ratio1.03
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
8.57 mm8.34 mm3.98 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784630384
Side View
Table 67.0%Crown 46.4°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 73.0%

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 31
Current: €21,528 EUR|Low: €6,669 EUR|High: €42,042 EUR|Avg: €14,948 EUR|-11.8%
Frank Darling
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 15€6,669 EUR
Retailer 14€6,936 EUR
Retailer 13€7,689 EUR
Retailer 5€7,734 EUR
Retailer 11€8,747 EUR
Retailer 4€8,960 EUR
Retailer 3€9,603 EUR
Retailer 9€10,161 EUR
Retailer 6€12,400 EUR
Retailer 10€15,521 EUR
Retailer 8€15,852 EUR
Retailer 2€19,775 EUR
Frank Darling€21,528 EUR
Retailer 7€27,722 EUR
Retailer 12€41,613 EUR

30 data points across 15 retailers

13 retailers€5,697 EUR to €21,528 EUR

A
Cheapest Retailer
-
€5,697 EUR
$6,365 USD
B+
Retailer 2
-
€6,669 EUR
$7,451 USD
View
B+
Retailer 3
-
€6,936 EUR
$7,749 USD
View
B+
Retailer 4
-
€7,689 EUR
$8,590 USD
View
B+
Retailer 5
-
€8,747 EUR
$9,772 USD
View
B+
Retailer 6
-
€8,960 EUR
$10,010 USD
View
B+
Retailer 7
-
€9,603 EUR
$10,729 USD
View
B+
Retailer 8
-
€10,161 EUR
£8,938 GBP
View
B
Retailer 9
-
€15,521 EUR
$17,340 USD
View
B
Retailer 10
-
€15,852 EUR
£13,945 GBP
View
B
Retailer 11
-
€19,775 EUR
A$33,989 AUD
View
Most Expensive
B
Frank Darling
LGPR30-58551UD · Oct 31
€21,528 EUR
$24,052 USD
View
11 more retailers have this diamond
Prices start from €5,697 EURSave up to €15,831 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
3.98ct Princess
€5,697 EUR