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Princess|Natural|GIA

1.51ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 7456317043

Certificate GIA 7456317043

Diamond specifications and retailer prices

From $11,750 AUD
$8,254 USD
As of October 30, 2026
Save $9,167 AUD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $20,917 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7456317043. Listed at 17 retailers as of October 30, 2026, with prices from $11,750 to $20,917, a $9,167 spread on the same certified stone. NZ Jewellers lists it at $20,917. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7456317043
Dimensions6.77 × 6.51 × 4.41 mm
L/W Ratio1.04
Top View
6.77 mm6.51 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7456317043
Side View
Table 72.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $20,917 AUD|Low: $11,750 AUD|High: $20,917 AUD|Avg: $15,073 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
Retailer 14
October 31, 2026
Retailer 13$11,750 AUD
Retailer 12$12,457 AUD
Retailer 6$12,550 AUD
Retailer 11$12,656 AUD
Retailer 5$13,597 AUD
Retailer 2$13,610 AUD
Retailer 9$13,789 AUD
Retailer 3$13,806 AUD
Retailer 14$14,212 AUD
Retailer 4$15,688 AUD
Retailer 7$15,813 AUD
Retailer 10$18,112 AUD
Retailer 8$19,705 AUD
NZ Jewellers$20,917 AUD

44 data points across 14 retailers

17 retailers$11,750 AUD to $20,917 AUD

B+
Cheapest Retailer
-
$11,750 AUD
$8,254 USD
B+
Retailer 2
-
$12,457 AUD
$8,750 USD
View
B+
Retailer 3
-
$12,550 AUD
$8,816 USD
View
B+
Retailer 4
-
$12,656 AUD
$8,890 USD
View
B
Retailer 5
-
$13,597 AUD
$9,551 USD
View
B+
Retailer 6
-
$13,610 AUD
£7,528 GBP
View
Retailer 7
-
$13,789 AUD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$13,806 AUD
$9,698 USD
View
Retailer 9
-
$14,212 AUD
£7,861 GBP
View
Price last confirmed 31 days ago
B
Retailer 10
-
$14,805 AUD
$10,400 USD
View
B
Retailer 11
-
$14,805 AUD
$10,400 USD
View
B
Retailer 12
-
$15,304 AUD
$10,750 USD
View
B
Retailer 13
-
$15,688 AUD
$11,020 USD
View
B
Retailer 14
-
$15,813 AUD
€10,579 EUR
View
Retailer 15
-
$18,112 AUD
ZAR 205,534 ZAR
View
Price last confirmed 9 days ago
B
Retailer 16
-
$19,705 AUD
£10,899 GBP
View
Most Expensive
B
NZ Jewellers
5e474dab-1421-424c-8619-cf058dcb90f6 · Oct 30
$20,917 AUD
$14,693 USD
View
16 more retailers have this diamond
Prices start from $11,750 AUDSave up to $9,167 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.

B+
1.51ct Princess
$11,750 AUD