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Princess|Natural|GIA

1.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 6562315897

Certificate GIA 6562315897

Diamond specifications and retailer prices

From $3,224 AUD
As of November 4, 2026
Save $686 AUD (18%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,909 AUD at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562315897. Listed at 5 retailers as of November 4, 2026, with prices from $3,224 to $3,909, a $686 spread on the same certified stone. Michael Trio lists it at $3,909. 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

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6562315897
Dimensions6.04 × 5.94 × 4.61 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural
Top View
6.04 mm5.94 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562315897
Side View
Table 72.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 77.6%

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 4
Current: $3,909 AUD|Low: $3,004 AUD|High: $4,131 AUD|Avg: $3,519 AUD|-5.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 3$3,224 AUD
Retailer 5$3,366 AUD
Retailer 4$3,409 AUD
Retailer 2$3,606 AUD
Michael Trio$3,909 AUD

41 data points across 5 retailers

5 retailers$3,224 AUD to $3,909 AUD

A
Cheapest Retailer
-
$3,224 AUD
A
Retailer 2
-
$3,366 AUD
View
A
Retailer 3
-
$3,409 AUD
View
Final sale: no returns
A
Retailer 4
-
$3,606 AUD
View
Most Expensive
B+
Michael Trio
3682894126 · Nov 6
$3,909 AUD
SGD 3,630 SGD
View
4 more retailers have this diamond
Prices start from $3,224 AUDSave up to $686 AUD

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
$3,224 AUD