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 HK$49,940 HKD
$6,365 USD
As of October 31, 2026
Save HK$138,772 HKD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$188,712 HKD 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 HK$49,940 to HK$188,712, a HK$138,772 spread on the same certified stone. Frank Darling lists it at HK$188,712. 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
Colour
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: HK$188,712 HKD|Low: HK$58,461 HKD|High: HK$368,531 HKD|Avg: HK$131,026 HKD|-11.8%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
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 15HK$58,461 HKD
Retailer 14HK$60,799 HKD
Retailer 13HK$67,398 HKD
Retailer 5HK$67,798 HKD
Retailer 11HK$76,672 HKD
Retailer 4HK$78,539 HKD
Retailer 3HK$84,181 HKD
Retailer 9HK$89,066 HKD
Retailer 6HK$108,693 HKD
Retailer 10HK$136,051 HKD
Retailer 8HK$138,956 HKD
Retailer 2HK$173,343 HKD
Frank DarlingHK$188,712 HKD
Retailer 7HK$243,000 HKD
Retailer 12HK$364,765 HKD

30 data points across 15 retailers

13 retailersHK$49,940 HKD to HK$188,712 HKD

A
Cheapest Retailer
-
HK$49,940 HKD
$6,365 USD
B+
Retailer 2
-
HK$58,461 HKD
$7,451 USD
View
B+
Retailer 3
-
HK$60,799 HKD
$7,749 USD
View
B+
Retailer 4
-
HK$67,398 HKD
$8,590 USD
View
B+
Retailer 5
-
HK$76,672 HKD
$9,772 USD
View
B+
Retailer 6
-
HK$78,539 HKD
$10,010 USD
View
B+
Retailer 7
-
HK$84,181 HKD
$10,729 USD
View
B+
Retailer 8
-
HK$89,066 HKD
£8,938 GBP
View
B
Retailer 9
-
HK$136,051 HKD
$17,340 USD
View
B
Retailer 10
-
HK$138,956 HKD
£13,945 GBP
View
B
Retailer 11
-
HK$173,343 HKD
A$33,989 AUD
View
Most Expensive
B
Frank Darling
LGPR30-58551UD · Oct 31
HK$188,712 HKD
$24,052 USD
View
11 more retailers have this diamond
Prices start from HK$49,940 HKDSave up to HK$138,772 HKD

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
HK$49,940 HKD