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Princess|Lab Grown|IGI

3.51ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG831645415

Shape and cutting style on the report: Princess cut

Certificate IGI LG831645415

Diamond specifications and retailer prices

From $6,186 AUD
$4,345 USD
As of October 31, 2026
Save $22,396 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,582 AUD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

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 LG831645415 or 831645415. Listed at 11 retailers as of October 27, 2026, with prices from $6,186 to $28,582, a $22,396 spread on the same certified stone. Wholesale Diamonds Direct lists it at $28,582. 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 angle40.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831645415
Dimensions8.41 × 8.33 × 5.92 mm
L/W Ratio1.01
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
8.41 mm8.33 mm3.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831645415
Side View
Table 70.0%Crown 40.8°Girdle: MediumPavilion 38.8°Culet: NoneDepth 71.1%

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: $6,186 AUD|Low: $6,186 AUD|High: $42,210 AUD|Avg: $21,168 AUD|-43.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 31, 2026
Retailer 1$6,186 AUD
Retailer 4$6,633 AUD
Retailer 6$7,171 AUD
Retailer 8$12,508 AUD
Retailer 3$13,467 AUD
Retailer 2$16,312 AUD
Retailer 9$17,434 AUD
Retailer 7$18,861 AUD
Retailer 10$21,027 AUD
Retailer 5$21,041 AUD
Wholesale Diamonds Direct$28,582 AUD

19 data points across 11 retailers

11 retailers$6,186 AUD to $28,582 AUD

A
Cheapest Retailer
-
$6,186 AUD
$4,345 USD
A
Retailer 2
-
$6,633 AUD
HK$36,400 HKD
View
A
Retailer 3
-
$7,171 AUD
£3,966 GBP
View
B+
Retailer 4
-
$12,508 AUD
ZAR 141,936 ZAR
View
B+
Retailer 5
-
$13,467 AUD
$9,460 USD
View
B
Retailer 6
-
$16,312 AUD
$11,458 USD
View
B+
Retailer 7
-
$17,434 AUD
€11,663 EUR
View
B+
Retailer 8
-
$18,861 AUD
$13,249 USD
View
B
Retailer 9
-
$21,027 AUD
£11,630 GBP
View
B
Retailer 10
-
$21,041 AUD
$14,780 USD
View
Most Expensive
B
Wholesale Diamonds Direct
496695853 · Oct 27
$28,582 AUD
$20,077 USD
View
10 more retailers have this diamond
Prices start from $6,186 AUDSave up to $22,396 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
$6,186 AUD