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Princess|Lab Grown|IGI

1.54ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG617412672

Shape and cutting style on the report: Princess cut

Certificate IGI LG617412672

Diamond specifications and retailer prices

From $751 NZD
$423 USD
As of November 2, 2026
Save $2,816 NZD (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,566 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.54ct lab-grown princess diamond

This 1.54ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617412672 or 617412672. Listed at 19 retailers as of October 31, 2026, with prices from $751 to $3,566, a $2,816 spread on the same certified stone. Brilliant Earth lists it at $3,566. 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

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617412672
Dimensions6.32 × 6.19 × 4.47 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.32 mm6.19 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617412672
Side View
Table 69.0%Crown 45.7°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.2%

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 2
Current: $3,566 NZD|Low: $720 NZD|High: $3,566 NZD|Avg: $1,744 NZD
Brilliant Earth
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
November 2, 2026
Retailer 14$751 NZD
Retailer 7$839 NZD
Retailer 4$841 NZD
Retailer 9$932 NZD
Retailer 16$932 NZD
Retailer 13$1,036 NZD
Retailer 17$1,042 NZD
Retailer 3$1,189 NZD
Retailer 6$1,469 NZD
Retailer 15$1,485 NZD
Retailer 10$1,492 NZD
Retailer 2$1,535 NZD
Retailer 12$1,987 NZD
Retailer 5$2,248 NZD
Retailer 18$2,993 NZD
Retailer 8$3,382 NZD
Retailer 11$3,421 NZD
Brilliant Earth$3,566 NZD

39 data points across 18 retailers

19 retailers$751 NZD to $3,566 NZD

A
Cheapest Retailer
-
$751 NZD
$423 USD
A
Retailer 2
-
$839 NZD
$473 USD
View
Final sale: no returns
A
Retailer 3
-
$841 NZD
$474 USD
View
Retailer 4
-
$932 NZD
$525 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$932 NZD
$525 USD
View
B+
Retailer 6
-
$1,036 NZD
£460 GBP
View
B+
Retailer 7
-
$1,042 NZD
$587 USD
View
B+
Retailer 8
-
$1,189 NZD
$670 USD
View
B+
Retailer 9
-
$1,469 NZD
$828 USD
View
B+
Retailer 10
-
$1,485 NZD
€797 EUR
View
B+
Retailer 11
-
$1,492 NZD
$841 USD
View
B+
Retailer 12
-
$1,535 NZD
£681 GBP
View
B
Retailer 13
-
$1,987 NZD
$1,120 USD
View
B
Retailer 14
-
$2,248 NZD
$1,267 USD
View
B
Retailer 15
-
$2,993 NZD
$1,687 USD
View
B
Retailer 16
-
$3,052 NZD
$1,720 USD
View
B
Retailer 17
-
$3,382 NZD
$1,906 USD
View
B
Retailer 18
-
$3,421 NZD
£1,518 GBP
View
Most Expensive
B
Brilliant Earth
9989293A · Oct 31
$3,566 NZD
$2,010 USD
View
18 more retailers have this diamond
Prices start from $751 NZDSave up to $2,816 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
1.54ct Princess
$751 NZD