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Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

GD • D/IF • IGI LG728558590

Shape and cutting style on the report: Princess cut

Certificate IGI LG728558590

Diamond specifications and retailer prices

From $1,075 NZD
As of November 4, 2026
Save $8,469 NZD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,544 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG728558590 or 728558590. Listed at 18 retailers as of November 2, 2026, with prices from $1,075 to $9,544, a $8,469 spread on the same certified stone. Do Amore Diamonds lists it at $9,544. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728558590
Dimensions6.31 × 6.29 × 4.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.31 mm6.29 mm1.51 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728558590
Side View
Table 71.0%Crown 43.7°Girdle: MediumPavilion 37.6°Culet: NoneDepth 69.0%

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: Nov 4
Current: $9,544 NZD|Low: $1,075 NZD|High: $11,265 NZD|Avg: $3,484 NZD|-15.3%
Do Amore 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
Retailer 18
October 31, 2026
Retailer 8$1,075 NZD
Retailer 15$1,203 NZD
Retailer 16$1,412 NZD
Retailer 10$1,421 NZD
Retailer 3$1,543 NZD
Retailer 11$1,561 NZD
Retailer 4$1,735 NZD
Retailer 17$1,760 NZD
Retailer 13$2,138 NZD
Retailer 18$3,305 NZD
Retailer 6$3,310 NZD
Retailer 12$3,424 NZD
Retailer 7$3,867 NZD
Retailer 5$3,905 NZD
Retailer 9$4,946 NZD
Retailer 14$5,826 NZD
Retailer 2$7,823 NZD
Do Amore Diamonds$9,544 NZD

34 data points across 18 retailers

18 retailers$1,075 NZD to $9,544 NZD

A
Cheapest Retailer
-
$1,075 NZD
A
Retailer 2
-
$1,203 NZD
View
A
Retailer 3
-
$1,412 NZD
View
A
Retailer 4
-
$1,421 NZD
View
Final sale: no returns
A
Retailer 5
-
$1,543 NZD
View
A
Retailer 6
-
$1,561 NZD
View
A
Retailer 7
-
$1,735 NZD
View
A
Retailer 8
-
$1,760 NZD
View
A
Retailer 9
-
$2,138 NZD
View
B+
Retailer 10
-
$3,305 NZD
View
B+
Retailer 11
-
$3,310 NZD
View
B+
Retailer 12
-
$3,424 NZD
View
B+
Retailer 13
-
$3,867 NZD
View
B+
Retailer 14
-
$3,905 NZD
View
Retailer 15
-
$4,946 NZD
View
Price last confirmed 28 days ago
B
Retailer 16
-
$5,826 NZD
View
B
Retailer 17
-
$7,823 NZD
View
Most Expensive
B
Do Amore Diamonds
27-A345C685B · Nov 2
$9,544 NZD
$5,380 USD
View
17 more retailers have this diamond
Prices start from $1,075 NZDSave up to $8,469 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
1.51ct Princess
$1,075 NZD