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Princess|Natural|GIA

0.51ct F SI1 Princess Natural Diamond

VG • F/SI1 • GIA 2557742393

Certificate GIA 2557742393

Diamond specifications and retailer prices

From $1,150 AUD
As of November 6, 2026
Save $228 AUD (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,495 AUD at Torres Jewel Co · As of October 4, 2026
View at Torres Jewel Co

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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2557742393. Listed at 4 retailers as of November 6, 2026, with a relatively tight 20% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishGood
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2557742393
Dimensions4.26 × 4.25 × 3.47 mm
L/W Ratio1.00
Girdle conditionPolished
Key to symbols
Feather, Cavity
Top View
4.26 mm4.25 mm0.51 ctF / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2557742393
Side View
Table 78.0%CrownGirdlePavilionCulet: NoneDepth 81.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,378 AUD|Low: $1,137 AUD|High: $1,513 AUD|Avg: $1,307 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Torres Jewel Co
November 6, 2026
Retailer 3$1,150 AUD
Retailer 2$1,189 AUD
Retailer 1$1,378 AUD
Torres Jewel Co$1,495 AUD

45 data points across 4 retailers

4 retailers$1,150 AUD to $1,378 AUD

B
Cheapest Retailer
-
$1,150 AUD
B
Retailer 2
-
$1,189 AUD
View
B
Retailer 3
-
$1,378 AUD
View
Most Expensive
Torres Jewel Co
25361304 · Oct 4
$1,495 AUD
View
Price last confirmed 34 days ago
3 more retailers have this diamond
Prices start from $1,150 AUDSave up to $228 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
0.51ct Princess
$1,150 AUD