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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 $4,730 NZD
$2,666 USD
As of October 30, 2026
Save $29,218 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $33,948 NZD at Novita Diamonds · As of November 1, 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 prices from $4,730 to $33,948, a $29,218 spread on the same certified stone. Novita Diamonds lists it at $33,948. 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: $33,948 NZD|Low: $4,730 NZD|High: $66,128 NZD|Avg: $16,589 NZD|-3.3%
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
November 1, 2026
Retailer 17$4,730 NZD
Retailer 12$5,145 NZD
Retailer 14$5,390 NZD
Retailer 3$5,713 NZD
Retailer 4$6,006 NZD
Retailer 7$7,567 NZD
Retailer 13$8,052 NZD
Retailer 10$8,543 NZD
Retailer 5$9,861 NZD
Retailer 9$10,841 NZD
Retailer 8$11,533 NZD
Retailer 11$13,676 NZD
Retailer 6$14,911 NZD
Retailer 2$15,352 NZD
Retailer 15$19,003 NZD
Retailer 16$32,541 NZD
Novita Diamonds$33,948 NZD

34 data points across 17 retailers

17 retailers$4,730 NZD to $33,948 NZD

A
Cheapest Retailer
-
$4,730 NZD
$2,666 USD
A
Retailer 2
-
$5,145 NZD
$2,900 USD
View
A
Retailer 3
-
$5,390 NZD
$3,038 USD
View
A
Retailer 4
-
$5,713 NZD
$3,220 USD
View
A
Retailer 5
-
$6,006 NZD
$3,385 USD
View
A
Retailer 6
-
$7,567 NZD
$4,265 USD
View
A
Retailer 7
-
$8,052 NZD
$4,538 USD
View
A
Retailer 8
-
$8,543 NZD
$4,815 USD
View
A
Retailer 9
-
$9,861 NZD
€5,293 EUR
View
B+
Retailer 10
-
$10,841 NZD
$6,110 USD
View
Final sale: no returns
Retailer 11
-
$11,533 NZD
$6,500 USD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$13,676 NZD
A$11,858 AUD
View
B+
Retailer 13
-
$14,911 NZD
$8,404 USD
View
B+
Retailer 14
-
$15,352 NZD
£6,813 GBP
View
B+
Retailer 15
-
$19,003 NZD
$10,710 USD
View
B
Retailer 16
-
$32,541 NZD
$18,340 USD
View
Most Expensive
B
Novita Diamonds
cert_754594391 · Nov 1
$33,948 NZD
A$29,436 AUD
View
16 more retailers have this diamond
Prices start from $4,730 NZDSave up to $29,218 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
$4,730 NZD