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Princess|Lab Grown|IGI

4.00ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG780662873

Shape and cutting style on the report: Princess cut

Certificate IGI LG780662873

Diamond specifications and retailer prices

From $8,922 AUD
$6,268 USD
As of October 30, 2026
Save $28,542 AUD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $37,463 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4ct lab-grown princess diamond

This 4ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662873 or 780662873. Listed at 13 retailers as of October 30, 2026, with prices from $8,922 to $37,463, a $28,542 spread on the same certified stone. Taylor and Hart lists it at $37,463. 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

4.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662873
Dimensions8.79 × 8.58 × 6.35 mm
L/W Ratio1.02
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
8.79 mm8.58 mm4.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662873
Side View
Table 60.0%Crown 38.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 74.0%

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 30
Current: $13,993 AUD|Low: $8,922 AUD|High: $42,056 AUD|Avg: $20,478 AUD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 30, 2026
Retailer 13$8,922 AUD
Retailer 5$9,475 AUD
Retailer 11$10,280 AUD
Retailer 2$13,356 AUD
Retailer 6$13,682 AUD
Retailer 10$13,964 AUD
Retailer 1$13,993 AUD
Retailer 3$21,167 AUD
Retailer 8$21,392 AUD
Retailer 7$23,179 AUD
Retailer 9$23,838 AUD
Retailer 4$29,891 AUD
Retailer 12$35,073 AUD
Taylor and Hart$37,463 AUD

36 data points across 14 retailers

13 retailers$8,922 AUD to $37,463 AUD

A
Cheapest Retailer
-
$8,922 AUD
$6,268 USD
A
Retailer 2
-
$10,280 AUD
$7,222 USD
View
A
Retailer 3
-
$13,356 AUD
$9,383 USD
View
A
Retailer 4
-
$13,682 AUD
£7,568 GBP
View
A
Retailer 5
-
$13,964 AUD
$9,810 USD
View
A
Retailer 6
-
$13,993 AUD
HK$76,800 HKD
View
B+
Retailer 7
-
$21,167 AUD
$14,871 USD
View
B+
Retailer 8
-
$21,392 AUD
€14,313 EUR
View
B+
Retailer 9
-
$23,179 AUD
ZAR 263,073 ZAR
View
B+
Retailer 10
-
$23,838 AUD
£13,187 GBP
View
B
Retailer 11
-
$29,891 AUD
$21,000 USD
View
B
Retailer 12
-
$35,073 AUD
$24,640 USD
View
Most Expensive
B
Taylor and Hart
RA4U6E2 · Oct 30
$37,463 AUD
$26,320 USD
View
12 more retailers have this diamond
Prices start from $8,922 AUDSave up to $28,542 AUD

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
4.00ct Princess
$8,922 AUD