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Princess|Natural|GIA

1.64ct F SI1 Princess Natural Diamond

ID • F/SI1 • GIA 2145722931

Certificate GIA 2145722931

Diamond specifications and retailer prices

From $11,435 SGD
$8,941 USD
As of November 2, 2026
Save $1,255 SGD (10%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $12,689 SGD at William & Sons Jewelers · As of November 2, 2026
View at William & Sons Jewelers

About this 1.64ct natural princess diamond

This 1.64ct natural princess sits in the one-and-a-half to two carat band, graded F 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 2145722931. Listed at 4 retailers as of November 2, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.64
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2145722931
Dimensions6.67 × 6.47 × 4.72 mm
L/W Ratio1.03
Top View
6.67 mm6.47 mm1.64 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2145722931
Side View
Table 72.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 73.0%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $11,435 SGD|Low: $11,435 SGD|High: $12,689 SGD|Avg: $12,033 SGD
Retailer 1
Retailer 2
William & Sons Jewelers
October 5, 2026
Retailer 1$11,435 SGD
Retailer 2$12,553 SGD
William & Sons Jewelers$12,689 SGD

2 data points across 3 retailers

4 retailers$11,435 SGD to $12,689 SGD

B+
Cheapest Retailer
-
$11,435 SGD
$8,941 USD
B
Retailer 2
-
$12,358 SGD
A$14,866 AUD
View
B
Retailer 3
-
$12,553 SGD
$9,815 USD
View
Most Expensive
B
William & Sons Jewelers
cert_2145722931 · Nov 2
$12,689 SGD
$9,922 USD
View
Final sale: no returns
3 more retailers have this diamond
Prices start from $11,435 SGDSave up to $1,255 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.

B+
1.64ct Princess
$11,435 SGD