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Princess|Natural|GIA

0.51ct H SI2 Princess Natural Diamond

GD • H/SI2 • GIA 6561404491

Certificate GIA 6561404491

Diamond specifications and retailer prices

From £314 GBP
As of November 1, 2026
Save £66 GBP (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £380 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 0.51ct natural princess diamond

This 0.51ct natural princess sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6561404491. Listed at 3 retailers as of November 1, 2026, with prices from £314 to £380, a £66 spread on the same certified stone. 77 Diamonds lists it at £380. 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
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561404491
Dimensions4.28 × 4.21 × 3.14 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
4.28 mm4.21 mm0.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6561404491
Side View
Table 73.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 74.6%

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 1
Current: £380 GBP|Low: £314 GBP|High: £384 GBP|Avg: £341 GBP|+1.7%
77 Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 2£314 GBP
Retailer 3£331 GBP
77 Diamonds£380 GBP

35 data points across 3 retailers

3 retailers£314 GBP to £380 GBP

B+
Cheapest Retailer
-
£314 GBP
B+
Retailer 2
-
£331 GBP
View
Most Expensive
B
77 Diamonds
PRICPDTXVBKNC · Nov 5
£380 GBP
View
2 more retailers have this diamond
Prices start from £314 GBPSave up to £66 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
£314 GBP