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Princess|Lab Grown|IGI

3.51ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG754594391

Shape and cutting style on the report: Princess cut

Certificate IGI LG754594391

Diamond specifications and retailer prices

From $3,795 AUD
$2,666 USD
As of October 30, 2026
Save $22,314 AUD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $27,574 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.51ct lab-grown princess diamond

This 3.51ct 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 LG754594391 or 754594391. Listed at 17 retailers as of October 30, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594391
Dimensions8.40 × 8.15 × 5.86 mm
L/W Ratio1.03
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
8.40 mm8.15 mm3.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594391
Side View
Table 64.0%Crown 43.5°Girdle: MediumPavilion 36.6°Culet: NoneDepth 71.9%

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: $27,574 AUD|Low: $3,795 AUD|High: $53,058 AUD|Avg: $13,416 AUD|-2.1%
Novita 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
October 31, 2026
Retailer 14$3,795 AUD
Retailer 2$4,128 AUD
Retailer 11$4,325 AUD
Retailer 15$4,584 AUD
Retailer 16$4,819 AUD
Retailer 5$6,072 AUD
Retailer 10$6,460 AUD
Retailer 17$7,912 AUD
Retailer 6$8,550 AUD
Retailer 9$8,698 AUD
Retailer 8$9,253 AUD
Retailer 4$11,964 AUD
Retailer 3$12,383 AUD
Retailer 7$14,232 AUD
Retailer 12$15,247 AUD
Retailer 13$26,109 AUD
Novita Diamonds$27,574 AUD

33 data points across 17 retailers

17 retailers$3,795 AUD to $26,109 AUD

A
Cheapest Retailer
-
$3,795 AUD
$2,666 USD
A
Retailer 2
-
$4,128 AUD
$2,900 USD
View
A
Retailer 3
-
$4,325 AUD
$3,038 USD
View
A
Retailer 4
-
$4,584 AUD
$3,220 USD
View
A
Retailer 5
-
$4,819 AUD
$3,385 USD
View
A
Retailer 6
-
$6,072 AUD
$4,265 USD
View
A
Retailer 7
-
$6,460 AUD
$4,538 USD
View
A
Retailer 8
-
$7,912 AUD
€5,293 EUR
View
B+
Retailer 9
-
$8,550 AUD
$6,006 USD
View
B+
Retailer 10
-
$8,698 AUD
$6,110 USD
View
Final sale: no returns
Retailer 11
-
$9,253 AUD
$6,500 USD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
$11,964 AUD
$8,404 USD
View
B+
Retailer 13
-
$12,383 AUD
£6,849 GBP
View
Retailer 14
-
$14,232 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$15,247 AUD
$10,710 USD
View
B
Retailer 16
-
$26,109 AUD
$18,340 USD
View
Most Expensive
Novita Diamonds
cert_754594391 · Oct 8
$27,574 AUD
View
Price last confirmed 22 days ago
16 more retailers have this diamond
Prices start from $3,795 AUDSave up to $22,314 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
3.51ct Princess
$3,795 AUD