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Princess|Natural|GIA

1.00ct E SI1 Princess Natural Diamond

ID • E/SI1 • GIA 7551451265

Certificate GIA 7551451265

Diamond specifications and retailer prices

From $3,144 AUD
As of November 4, 2026
Save $5,288 AUD (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,432 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural princess diamond

This 1ct natural princess sits in the classic one-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 7551451265. Listed at 24 retailers as of November 4, 2026, with prices from $3,144 to $8,432, a $5,288 spread on the same certified stone. NZ Jewellers lists it at $8,432. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle21.58°
Pavilion angle41.27°
OriginNatural
Grading LabGIA
CertificateGIA 7551451265
Dimensions5.57 × 5.41 × 4.00 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Knot, Needle, Pinpoint
Top View
5.57 mm5.41 mm1.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551451265
Side View
Table 78.0%Crown 21.58°Girdle: STK-STKPavilion 41.27°Culet: NoneDepth 74.1%

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 4
Current: $3,913 AUD|Low: $3,144 AUD|High: $7,141 AUD|Avg: $4,494 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$3,144 AUD
Retailer 8$3,150 AUD
Retailer 9$3,593 AUD
Retailer 2$3,831 AUD
Retailer 1$3,913 AUD
Retailer 6$4,268 AUD
Retailer 4$4,373 AUD
Retailer 3$4,640 AUD
Retailer 5$4,694 AUD
Retailer 7$4,923 AUD
Retailer 10$7,045 AUD

24 data points across 11 retailers

24 retailers$3,144 AUD to $8,432 AUD

A
Cheapest Retailer
-
$3,144 AUD
A
Retailer 2
-
$3,150 AUD
View
B+
Retailer 3
-
$3,568 AUD
View
B+
Retailer 4
-
$3,593 AUD
View
B+
Retailer 5
-
$3,613 AUD
View
B+
Retailer 6
-
$3,721 AUD
View
Final sale: no returns
B+
Retailer 7
-
$3,831 AUD
View
B+
Retailer 8
-
$3,913 AUD
View
B+
Retailer 9
-
$3,957 AUD
View
Retailer 10
-
$4,033 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$4,033 AUD
View
B+
Retailer 12
-
$4,188 AUD
View
B+
Retailer 13
-
$4,236 AUD
View
B+
Retailer 14
-
$4,268 AUD
View
B+
Retailer 15
-
$4,373 AUD
View
Retailer 16
-
$4,518 AUD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
$4,595 AUD
View
B+
Retailer 18
-
$4,654 AUD
View
B+
Retailer 19
-
$4,694 AUD
View
B
Retailer 20
-
$4,923 AUD
View
B
Retailer 21
-
$5,915 AUD
View
B
Retailer 22
-
$6,081 AUD
View
B
Retailer 23
-
$7,045 AUD
View
Most Expensive
B
NZ Jewellers
e0c47701-3c73-4a17-8f2f-1de51f6d0783 · Nov 5
$8,432 AUD
$5,903 USD
View
23 more retailers have this diamond
Prices start from $3,144 AUDSave up to $5,288 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
1.00ct Princess
$3,144 AUD