CaratHunter
Plans
Princess|Natural|GIA

1.31ct J SI1 Princess Natural Diamond

ID • J/SI1 • GIA 1423969630

Certificate GIA 1423969630

Diamond specifications and retailer prices

From $2,825 SGD
As of November 5, 2026
Save $3,714 SGD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,539 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.31ct natural princess diamond

This 1.31ct natural princess sits in the one-and-a-quarter to one-and-a-half carat band, graded J 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 1423969630. Listed at 10 retailers as of November 5, 2026, with prices from $2,825 to $6,539, a $3,714 spread on the same certified stone. NZ Jewellers lists it at $6,539. 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

1.31
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryFair
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1423969630
Dimensions5.77 × 5.75 × 4.29 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle, Natural, Extra Facet
Top View
5.77 mm5.75 mm1.31 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryFair
FluorescenceNone
CertificateGIA 1423969630
Side View
Table 68.0%CrownGirdle: VTN-VTKPavilionCuletDepth 74.6%

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 5
Current: $3,883 SGD|Low: $2,825 SGD|High: $5,544 SGD|Avg: $3,461 SGD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$2,825 SGD
Retailer 7$2,826 SGD
Retailer 8$2,985 SGD
Retailer 4$3,127 SGD
Retailer 6$3,127 SGD
Retailer 2$3,309 SGD
Retailer 5$3,609 SGD
Retailer 1$3,883 SGD
Retailer 3$5,465 SGD

44 data points across 9 retailers

10 retailers$2,825 SGD to $6,539 SGD

A
Cheapest Retailer
-
$2,825 SGD
A
Retailer 2
-
$2,826 SGD
View
Retailer 3
-
$3,127 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$3,127 SGD
View
B+
Retailer 5
-
$3,272 SGD
View
B+
Retailer 6
-
$3,309 SGD
View
B+
Retailer 7
-
$3,609 SGD
View
B+
Retailer 8
-
$3,883 SGD
View
B
Retailer 9
-
$5,465 SGD
View
Most Expensive
C
NZ Jewellers
489df064-ae53-4bdf-83e4-bb6e326a42ec · Nov 5
$6,539 SGD
$5,102 USD
View
9 more retailers have this diamond
Prices start from $2,825 SGDSave up to $3,714 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
1.31ct Princess
$2,825 SGD