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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 $1,240 SGD
As of November 6, 2026
Save $3,071 SGD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,311 SGD 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 $1,240 to $4,311, a $3,071 spread on the same certified stone. Adiamor lists it at $4,311. 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: $1,240 SGD|Low: $1,187 SGD|High: $2,458 SGD|Avg: $1,712 SGD|-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$1,240 SGD
Retailer 6$1,275 SGD
Retailer 8$1,626 SGD
Retailer 5$1,648 SGD
Retailer 2$1,770 SGD
Retailer 7$1,779 SGD
Retailer 9$1,844 SGD
Retailer 4$1,945 SGD
Retailer 3$2,443 SGD

44 data points across 9 retailers

16 retailers$1,240 SGD to $4,311 SGD

A
Cheapest Retailer
-
$1,240 SGD
A
Retailer 2
-
$1,275 SGD
View
B+
Retailer 3
-
$1,626 SGD
View
Final sale: no returns
B+
Retailer 4
-
$1,648 SGD
View
Retailer 5
-
$1,763 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,763 SGD
View
B+
Retailer 7
-
$1,770 SGD
View
B+
Retailer 8
-
$1,779 SGD
View
B+
Retailer 9
-
$1,816 SGD
View
B+
Retailer 10
-
$1,844 SGD
View
B+
Retailer 11
-
$1,935 SGD
View
B+
Retailer 12
-
$1,945 SGD
View
B+
Retailer 13
-
$2,035 SGD
View
B
Retailer 14
-
$2,443 SGD
View
C
Retailer 15
-
$4,299 SGD
View
Most Expensive
C
Adiamor
D-64679108 · Nov 5
$4,311 SGD
$3,375 USD
View
15 more retailers have this diamond
Prices start from $1,240 SGDSave up to $3,071 SGD

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
$1,240 SGD