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 $6,365 USD
As of October 31, 2026
Save $17,687 USD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $24,052 USD 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 $6,365 to $24,052, a $17,687 spread on the same certified stone. Frank Darling lists it at $24,052. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $24,052 USD|Low: $7,451 USD|High: $46,970 USD|Avg: $16,700 USD|-11.8%
Frank Darling
Retailer 2
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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$7,451 USD
Retailer 14$7,749 USD
Retailer 13$8,590 USD
Retailer 5$8,641 USD
Retailer 11$9,772 USD
Retailer 4$10,010 USD
Retailer 3$10,729 USD
Retailer 2$11,352 USD
Retailer 6$13,853 USD
Retailer 10$17,340 USD
Retailer 8$17,805 USD
Retailer 9$22,131 USD
Frank Darling$24,052 USD
Retailer 7$30,971 USD
Retailer 12$46,490 USD

30 data points across 15 retailers

13 retailers$6,365 USD to $24,052 USD

A
Cheapest Retailer
-
$6,365 USD
B+
Retailer 2
-
$7,451 USD
View
B+
Retailer 3
-
$7,749 USD
View
B+
Retailer 4
-
$8,590 USD
View
B+
Retailer 5
-
$9,772 USD
View
B+
Retailer 6
-
$10,010 USD
View
B+
Retailer 7
-
$10,729 USD
View
B+
Retailer 8
-
$11,352 USD
£8,938 GBP
View
B
Retailer 9
-
$17,340 USD
View
B
Retailer 10
-
$17,805 USD
£14,020 GBP
View
Retailer 11
-
$22,131 USD
A$34,047 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Frank Darling
LGPR30-58551UD · Oct 31
$24,052 USD
View
11 more retailers have this diamond
Prices start from $6,365 USDSave up to $17,687 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
3.98ct Princess
$6,365 USD