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Princess|Natural|GIA

1.00ct J SI2 Princess Natural Diamond

EX • J/SI2 • GIA 1435826455

Certificate GIA 1435826455

Diamond specifications and retailer prices

From $1,387 AUD
As of November 6, 2026
Save $3,434 AUD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,821 AUD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1ct natural princess diamond

This 1ct natural princess sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1435826455. Listed at 16 retailers as of November 5, 2026, with prices from $1,387 to $4,821, a $3,434 spread on the same certified stone. Adiamor lists it at $4,821. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1435826455
Dimensions5.08 × 4.91 × 4.06 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural, Natural
Top View
5.08 mm4.91 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1435826455
Side View
Table 72.0%CrownGirdle: ThickPavilionCulet: NoneDepth 82.7%

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 6
Current: $1,387 AUD|Low: $1,327 AUD|High: $2,748 AUD|Avg: $1,915 AUD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$1,387 AUD
Retailer 6$1,426 AUD
Retailer 8$1,818 AUD
Retailer 5$1,843 AUD
Retailer 2$1,980 AUD
Retailer 7$1,990 AUD
Retailer 9$2,063 AUD
Retailer 4$2,176 AUD
Retailer 3$2,733 AUD

44 data points across 9 retailers

16 retailers$1,387 AUD to $4,821 AUD

A
Cheapest Retailer
-
$1,387 AUD
A
Retailer 2
-
$1,426 AUD
View
B+
Retailer 3
-
$1,818 AUD
View
Final sale: no returns
B+
Retailer 4
-
$1,843 AUD
View
Retailer 5
-
$1,971 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,971 AUD
View
B+
Retailer 7
-
$1,980 AUD
View
B+
Retailer 8
-
$1,990 AUD
View
B+
Retailer 9
-
$2,031 AUD
View
B+
Retailer 10
-
$2,063 AUD
View
B+
Retailer 11
-
$2,164 AUD
View
B+
Retailer 12
-
$2,176 AUD
View
B+
Retailer 13
-
$2,276 AUD
View
B
Retailer 14
-
$2,733 AUD
View
C
Retailer 15
-
$4,808 AUD
View
Most Expensive
C
Adiamor
D-64679108 · Nov 5
$4,821 AUD
$3,375 USD
View
15 more retailers have this diamond
Prices start from $1,387 AUDSave up to $3,434 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
$1,387 AUD