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Princess|Lab Grown|IGI

4.25ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG790611623

Shape and cutting style on the report: Princess cut

Certificate IGI LG790611623

Diamond specifications and retailer prices

From $17,893 AUD
$12,569 USD
As of November 1, 2026
Save $42,399 AUD (70%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $60,292 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.25ct lab-grown princess diamond

This 4.25ct 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 LG790611623 or 790611623. Listed at 21 retailers as of October 31, 2026, with prices from $17,893 to $60,292, a $42,399 spread on the same certified stone. Taylor and Hart lists it at $60,292. 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

4.25
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611623
Dimensions8.74 × 8.64 × 6.28 mm
L/W Ratio1.01
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
8.74 mm8.64 mm4.25 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611623
Side View
Table 67.0%Crown 43.3°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 72.7%

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: Nov 1
Current: $24,645 AUD|Low: $14,506 AUD|High: $74,273 AUD|Avg: $31,682 AUD|-1.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Taylor and Hart
October 31, 2026
Retailer 10$14,506 AUD
Retailer 6$17,893 AUD
Retailer 19$18,154 AUD
Retailer 7$18,589 AUD
Retailer 11$19,325 AUD
Retailer 17$19,735 AUD
Retailer 8$20,330 AUD
Retailer 3$20,854 AUD
Retailer 2$21,059 AUD
Retailer 4$21,059 AUD
Retailer 18$22,005 AUD
Retailer 1$24,645 AUD
Retailer 9$30,179 AUD
Retailer 15$30,989 AUD
Retailer 16$32,074 AUD
Retailer 14$35,441 AUD
Retailer 12$44,825 AUD
Retailer 20$51,326 AUD
Retailer 13$58,696 AUD
Taylor and Hart$60,292 AUD
Retailer 5$74,273 AUD

33 data points across 21 retailers

21 retailers$17,893 AUD to $60,292 AUD

B+
Cheapest Retailer
-
$17,893 AUD
$12,569 USD
A
Retailer 2
-
$18,154 AUD
$12,752 USD
View
B+
Retailer 3
-
$18,589 AUD
$13,058 USD
View
B+
Retailer 4
-
$19,325 AUD
$13,575 USD
View
B+
Retailer 5
-
$19,735 AUD
$13,863 USD
View
B+
Retailer 6
-
$20,330 AUD
$14,281 USD
View
Final sale: no returns
B+
Retailer 7
-
$20,854 AUD
$14,649 USD
View
B+
Retailer 8
-
$21,059 AUD
$14,793 USD
View
Retailer 9
-
$21,059 AUD
$14,793 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$22,005 AUD
$15,457 USD
View
B+
Retailer 11
-
$24,645 AUD
£13,631 GBP
View
B
Retailer 12
-
$30,179 AUD
£16,692 GBP
View
B+
Retailer 13
-
$30,989 AUD
£17,140 GBP
View
B+
Retailer 14
-
$32,074 AUD
$22,530 USD
View
B
Retailer 15
-
$35,441 AUD
€23,710 EUR
View
B
Retailer 16
-
$44,825 AUD
ZAR 508,679 ZAR
View
B
Retailer 17
-
$51,326 AUD
$36,054 USD
View
B
Retailer 18
-
$53,923 AUD
$37,878 USD
View
B
Retailer 19
-
$58,696 AUD
$41,231 USD
View
Most Expensive
B
Taylor and Hart
9DWO0FL · Oct 31
$60,292 AUD
$42,352 USD
View
19 more retailers have this diamond
Prices start from $17,893 AUDSave up to $42,399 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
4.25ct Princess
$17,893 AUD