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Princess|Natural|GIA

1.57ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 5172054271

Certificate GIA 5172054271

Diamond specifications and retailer prices

From $17,779 AUD
£9,811 GBP
As of November 3, 2026
Save $7,850 AUD (31%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $25,629 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.57ct natural princess diamond

This 1.57ct 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 5172054271. Listed at 7 retailers as of November 2, 2026, with prices from $17,779 to $25,629, a $7,850 spread on the same certified stone. MOH London lists it at $25,629. 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

1.57
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5172054271
Dimensions6.43 × 6.41 × 4.70 mm
L/W Ratio1.00
Top View
6.43 mm6.41 mm1.57 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5172054271
Side View
Table 70.0%CrownGirdle: ThickPavilionCulet: NoneDepth 73.3%

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 3
Current: $25,629 AUD|Low: $17,779 AUD|High: $25,939 AUD|Avg: $20,707 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 2$17,779 AUD
Retailer 4$18,314 AUD
Retailer 3$20,673 AUD
MOH London$25,629 AUD

42 data points across 4 retailers

7 retailers$17,779 AUD to $25,629 AUD

B+
Cheapest Retailer
-
$17,779 AUD
£9,811 GBP
B
Retailer 2
-
$18,314 AUD
$12,835 USD
View
B
Retailer 3
-
$19,235 AUD
$13,480 USD
View
B
Retailer 4
-
$19,235 AUD
$13,480 USD
View
B
Retailer 5
-
$19,877 AUD
$13,930 USD
View
B
Retailer 6
-
$20,673 AUD
€13,798 EUR
View
Most Expensive
B
MOH London
1F1A9A845 · Nov 2
$25,629 AUD
£14,143 GBP
View
6 more retailers have this diamond
Prices start from $17,779 AUDSave up to $7,850 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.

B+
1.57ct Princess
$17,779 AUD