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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 £590 GBP
As of November 6, 2026
Save £117 GBP (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £767 GBP 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £708 GBP|Low: £583 GBP|High: £777 GBP|Avg: £671 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Torres Jewel Co
November 6, 2026
Retailer 3£590 GBP
Retailer 2£610 GBP
Retailer 1£708 GBP
Torres Jewel Co£767 GBP

45 data points across 4 retailers

4 retailers£590 GBP to £708 GBP

B
Cheapest Retailer
-
£590 GBP
B
Retailer 2
-
£610 GBP
View
B
Retailer 3
-
£708 GBP
View
Most Expensive
Torres Jewel Co
25361304 · Oct 4
£767 GBP
A$1,580 AUD
View
Price last confirmed 34 days ago
3 more retailers have this diamond
Prices start from £590 GBPSave up to £117 GBP

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
£590 GBP