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Princess|Lab Grown|IGI

2.51ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG739587959

Shape and cutting style on the report: Princess cut

Certificate IGI LG739587959

Diamond specifications and retailer prices

From $717 NZD
As of November 6, 2026
Save $3,535 NZD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,252 NZD at Diamonds Direct · As of November 5, 2026
View at Diamonds Direct

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG739587959 or 739587959. Listed at 10 retailers as of November 5, 2026, with prices from $717 to $4,252, a $3,535 spread on the same certified stone. Diamonds Direct lists it at $4,252. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739587959
Dimensions7.56 × 7.30 × 5.24 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.56 mm7.30 mm2.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739587959
Side View
Table 69.0%Crown 44.1°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 71.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,252 NZD|Low: $696 NZD|High: $5,314 NZD|Avg: $2,149 NZD|-20.0%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$717 NZD
Retailer 4$804 NZD
Retailer 10$811 NZD
Retailer 5$1,098 NZD
Retailer 9$1,421 NZD
Retailer 7$1,423 NZD
Retailer 8$2,517 NZD
Retailer 2$2,860 NZD
Retailer 6$3,506 NZD
Diamonds Direct$4,252 NZD

43 data points across 10 retailers

10 retailers$717 NZD to $4,252 NZD

A
Cheapest Retailer
-
$717 NZD
A
Retailer 2
-
$804 NZD
View
A
Retailer 3
-
$811 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,098 NZD
View
A
Retailer 5
-
$1,421 NZD
View
A
Retailer 6
-
$1,423 NZD
View
B
Retailer 7
-
$2,517 NZD
View
B
Retailer 8
-
$2,860 NZD
View
B
Retailer 9
-
$3,506 NZD
View
Most Expensive
B
Diamonds Direct
1115533 · Nov 5
$4,252 NZD
$2,390 USD
View
9 more retailers have this diamond
Prices start from $717 NZDSave up to $3,535 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
2.51ct Princess
$717 NZD