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Princess|Natural|GIA

1.50ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 1543999655

Certificate GIA 1543999655

Diamond specifications and retailer prices

From $4,271 NZD
As of November 6, 2026
Save $1,323 NZD (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,594 NZD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural princess diamond

This 1.5ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543999655. Listed at 7 retailers as of November 6, 2026, with prices from $4,271 to $5,594, a $1,323 spread on the same certified stone. GemTrove lists it at $5,594. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543999655
Dimensions6.24 × 6.22 × 4.50 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Indented Natural, Natural
Top View
6.24 mm6.22 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543999655
Side View
Table 69.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 72.3%

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 6
Current: $5,594 NZD|Low: $3,782 NZD|High: $5,598 NZD|Avg: $4,814 NZD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$4,271 NZD
Retailer 4$4,325 NZD
Retailer 7$4,381 NZD
Retailer 2$4,590 NZD
Retailer 6$4,963 NZD
Retailer 5$5,113 NZD
GemTrove$5,594 NZD

41 data points across 7 retailers

7 retailers$4,271 NZD to $5,594 NZD

A
Cheapest Retailer
-
$4,271 NZD
A
Retailer 2
-
$4,325 NZD
View
Final sale: no returns
A
Retailer 3
-
$4,381 NZD
View
A
Retailer 4
-
$4,590 NZD
View
A
Retailer 5
-
$4,963 NZD
View
A
Retailer 6
-
$5,113 NZD
View
Most Expensive
B+
GemTrove
GT-N-01307865-98 · Nov 6
$5,594 NZD
A$4,838 AUD
View
6 more retailers have this diamond
Prices start from $4,271 NZDSave up to $1,323 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
1.50ct Princess
$4,271 NZD