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Princess|Natural|GIA

0.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 1568179106

Certificate GIA 1568179106

Diamond specifications and retailer prices

From $728 AUD
As of November 6, 2026
Save $685 AUD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,412 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.51ct natural princess diamond

This 0.51ct natural princess sits in the half to three-quarter 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 1568179106. Listed at 13 retailers as of November 6, 2026, with prices from $728 to $1,412, a $685 spread on the same certified stone. Frank Darling lists it at $1,412. 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

0.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle21.65°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1568179106
Dimensions4.38 × 4.37 × 3.14 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.38 mm4.37 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1568179106
Side View
Table 73.0%Crown 21.65°Girdle: MED-THKPavilion 40°Culet: NoneDepth 71.9%

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: $1,412 AUD|Low: $728 AUD|High: $1,436 AUD|Avg: $1,018 AUD|-1.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13$728 AUD
Retailer 3$790 AUD
Retailer 7$815 AUD
Retailer 5$844 AUD
Retailer 10$860 AUD
Retailer 6$923 AUD
Retailer 9$929 AUD
Retailer 11$1,029 AUD
Retailer 4$1,108 AUD
Retailer 2$1,113 AUD
Retailer 12$1,196 AUD
Retailer 8$1,305 AUD
Frank Darling$1,412 AUD

31 data points across 13 retailers

13 retailers$728 AUD to $1,412 AUD

A
Cheapest Retailer
-
$728 AUD
A
Retailer 2
-
$790 AUD
View
B+
Retailer 3
-
$815 AUD
View
Retailer 4
-
$844 AUD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
$860 AUD
View
B+
Retailer 6
-
$923 AUD
View
B+
Retailer 7
-
$929 AUD
View
B
Retailer 8
-
$1,029 AUD
View
B
Retailer 9
-
$1,108 AUD
View
B+
Retailer 10
-
$1,113 AUD
View
B
Retailer 11
-
$1,196 AUD
View
B
Retailer 12
-
$1,305 AUD
View
Most Expensive
B
Frank Darling
2681613HK · Nov 6
$1,412 AUD
$970 USD
View
12 more retailers have this diamond
Prices start from $728 AUDSave up to $685 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
0.51ct Princess
$728 AUD