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Princess|Natural|GIA

1.56ct I SI1 Princess Natural Diamond

ID • I/SI1 • GIA 42

Certificate GIA 42

Diamond specifications and retailer prices

From $13,356 NZD
$7,515 USD
As of November 2, 2026
Save $3,444 NZD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $16,801 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.56ct natural princess diamond

This 1.56ct natural princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from $13,356 to $16,801, a $3,444 spread on the same certified stone. Blue Nile lists it at $16,801. 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

1.56
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 42
Dimensions6.69 × 6.61 × 4.36 mm
L/W Ratio1.01
Top View
6.69 mm6.61 mm1.56 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 42
Side View
Table 70.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $16,801 NZD|Low: $13,184 NZD|High: $16,801 NZD|Avg: $14,817 NZD
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2$13,356 NZD
Retailer 3$14,526 NZD
Blue Nile$16,801 NZD

3 data points across 3 retailers

3 retailers$13,356 NZD to $16,801 NZD

B
Cheapest Retailer
-
$13,356 NZD
$7,515 USD
B
Retailer 2
-
$14,526 NZD
$8,173 USD
View
Most Expensive
B
Blue Nile
8523759 · Oct 31
$16,801 NZD
$9,453 USD
View
2 more retailers have this diamond
Prices start from $13,356 NZDSave up to $3,444 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.

B
1.56ct Princess
$13,356 NZD