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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 $7,709 NZD
$4,345 USD
As of October 31, 2026
Save $27,914 NZD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $35,623 NZD 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 13 retailers as of October 27, 2026, with prices from $7,709 to $35,623, a $27,914 spread on the same certified stone. Wholesale Diamonds Direct lists it at $35,623. 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: $17,020 NZD|Low: $7,709 NZD|High: $52,608 NZD|Avg: $25,937 NZD|-35.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 1, 2026
Retailer 7$7,709 NZD
Retailer 9$8,267 NZD
Retailer 6$8,938 NZD
Retailer 4$10,176 NZD
Retailer 2$15,589 NZD
Retailer 8$16,785 NZD
Retailer 1$17,020 NZD
Retailer 3$21,728 NZD
Retailer 11$23,507 NZD
Retailer 10$26,224 NZD
Retailer 5$33,948 NZD
Wholesale Diamonds Direct$35,623 NZD

20 data points across 12 retailers

13 retailers$7,709 NZD to $35,623 NZD

A
Cheapest Retailer
-
$7,709 NZD
$4,345 USD
A
Retailer 2
-
$8,267 NZD
HK$36,400 HKD
View
A
Retailer 3
-
$8,938 NZD
£3,966 GBP
View
B+
Retailer 4
-
$9,963 NZD
$5,615 USD
View
A
Retailer 5
-
$10,176 NZD
$5,735 USD
View
B+
Retailer 6
-
$15,589 NZD
ZAR 141,936 ZAR
View
B+
Retailer 7
-
$16,785 NZD
$9,460 USD
View
B+
Retailer 8
-
$17,020 NZD
£7,553 GBP
View
B
Retailer 9
-
$21,728 NZD
€11,663 EUR
View
B
Retailer 10
-
$23,507 NZD
$13,249 USD
View
B
Retailer 11
-
$26,224 NZD
$14,780 USD
View
B
Retailer 12
-
$33,948 NZD
A$29,436 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
496695853 · Oct 27
$35,623 NZD
$20,077 USD
View
12 more retailers have this diamond
Prices start from $7,709 NZDSave up to $27,914 NZD

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
$7,709 NZD