Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 6542264028

Certificate GIA 6542264028

Diamond specifications and retailer prices

From $6,715 AUD
$4,706 USD
As of November 1, 2026
Save $6,729 AUD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,444 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded H 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 6542264028. Listed at 14 retailers as of October 30, 2026, with prices from $6,715 to $13,444, a $6,729 spread on the same certified stone. NZ Jewellers lists it at $13,444. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 6542264028
Dimensions6.27 × 6.27 × 4.50 mm
L/W Ratio1.00
Top View
6.27 mm6.27 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542264028
Side View
Table 71.0%CrownGirdle: MED-STKPavilion 39°Culet: NoneDepth 71.7%

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 1
Current: $13,444 AUD|Low: $6,715 AUD|High: $13,774 AUD|Avg: $9,264 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5$6,715 AUD
Retailer 8$6,894 AUD
Retailer 11$6,946 AUD
Retailer 9$7,481 AUD
Retailer 10$7,748 AUD
Retailer 6$7,918 AUD
Retailer 3$8,233 AUD
Retailer 12$8,233 AUD
Retailer 2$8,640 AUD
Retailer 4$9,189 AUD
Retailer 13$11,756 AUD
Retailer 7$12,803 AUD
NZ Jewellers$13,444 AUD

34 data points across 13 retailers

14 retailers$6,715 AUD to $13,444 AUD

A
Cheapest Retailer
-
$6,715 AUD
$4,706 USD
B+
Retailer 2
-
$6,894 AUD
CA$6,710 CAD
View
B+
Retailer 3
-
$6,946 AUD
$4,868 USD
View
B+
Retailer 4
-
$7,481 AUD
$5,243 USD
View
B+
Retailer 5
-
$7,748 AUD
$5,430 USD
View
B+
Retailer 6
-
$7,918 AUD
£4,370 GBP
View
B+
Retailer 7
-
$8,233 AUD
$5,770 USD
View
B+
Retailer 8
-
$8,233 AUD
$5,770 USD
View
B+
Retailer 9
-
$8,640 AUD
€5,767 EUR
View
B+
Retailer 10
-
$9,189 AUD
$6,440 USD
View
Retailer 11
-
$11,756 AUD
$8,239 USD
View
Price last confirmed 17 days ago
B
Retailer 12
-
$12,803 AUD
£7,065 GBP
View
Retailer 13
-
$13,444 AUD
$9,422 USD
View
Price last confirmed 16 days ago
Most Expensive
B
NZ Jewellers
af473be2-7787-4862-adb9-65d925f67ed9 · Oct 30
$13,444 AUD
$9,422 USD
View
13 more retailers have this diamond
Prices start from $6,715 AUDSave up to $6,729 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
$6,715 AUD