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Princess|Lab Grown|IGI

4.05ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG791609672

Shape and cutting style on the report: Princess cut

Certificate IGI LG791609672

Diamond specifications and retailer prices

From $8,321 AUD
$5,846 USD
As of October 30, 2026
Save $48,786 AUD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $57,107 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.05ct lab-grown princess diamond

This 4.05ct 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 LG791609672 or 791609672. Listed at 23 retailers as of October 29, 2026, with prices from $8,321 to $57,107, a $48,786 spread on the same certified stone. Do Amore Diamonds lists it at $57,107. 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

4.05
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791609672
Dimensions8.58 × 8.55 × 6.23 mm
L/W Ratio1.00
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
8.58 mm8.55 mm4.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791609672
Side View
Table 67.0%Crown 43.1°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.9%

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: $57,107 AUD|Low: $8,321 AUD|High: $71,654 AUD|Avg: $24,645 AUD|-20.3%
Do Amore Diamonds
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
October 30, 2026
Retailer 17$8,321 AUD
Retailer 14$9,517 AUD
Retailer 7$9,585 AUD
Retailer 8$10,247 AUD
Retailer 16$10,583 AUD
Retailer 15$12,408 AUD
Retailer 3$14,106 AUD
Retailer 2$14,414 AUD
Retailer 18$15,431 AUD
Retailer 10$16,768 AUD
Retailer 12$18,551 AUD
Retailer 13$23,128 AUD
Retailer 11$24,938 AUD
Retailer 4$29,214 AUD
Retailer 5$37,495 AUD
Retailer 6$39,894 AUD
Retailer 9$53,463 AUD
Do Amore Diamonds$57,107 AUD

38 data points across 18 retailers

23 retailers$8,321 AUD to $57,107 AUD

A
Cheapest Retailer
-
$8,321 AUD
$5,846 USD
A
Retailer 2
-
$9,151 AUD
$6,429 USD
View
A
Retailer 3
-
$9,517 AUD
$6,686 USD
View
A
Retailer 4
-
$9,585 AUD
$6,734 USD
View
A
Retailer 5
-
$10,247 AUD
$7,199 USD
View
Final sale: no returns
A
Retailer 6
-
$10,583 AUD
$7,435 USD
View
A
Retailer 7
-
$10,614 AUD
$7,457 USD
View
Retailer 8
-
$10,614 AUD
$7,457 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$12,408 AUD
$8,717 USD
View
A
Retailer 10
-
$13,909 AUD
$9,772 USD
View
A
Retailer 11
-
$14,106 AUD
$9,910 USD
View
A
Retailer 12
-
$14,414 AUD
£7,973 GBP
View
B+
Retailer 13
-
$15,431 AUD
$10,841 USD
View
B+
Retailer 14
-
$16,768 AUD
£9,276 GBP
View
B+
Retailer 15
-
$18,551 AUD
€12,412 EUR
View
B+
Retailer 16
-
$23,128 AUD
£12,794 GBP
View
B+
Retailer 17
-
$24,938 AUD
ZAR 283,041 ZAR
View
B+
Retailer 18
-
$29,214 AUD
$20,524 USD
View
B+
Retailer 19
-
$32,382 AUD
$22,750 USD
View
B
Retailer 20
-
$37,495 AUD
$26,342 USD
View
B
Retailer 21
-
$39,894 AUD
$28,027 USD
View
B
Retailer 22
-
$53,463 AUD
$37,560 USD
View
Most Expensive
B
Do Amore Diamonds
27-6FB0F9005 · Oct 29
$57,107 AUD
$40,120 USD
View
22 more retailers have this diamond
Prices start from $8,321 AUDSave up to $48,786 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
4.05ct Princess
$8,321 AUD