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Princess|Natural|GIA

0.51ct H SI1 Princess Natural Diamond

GD • H/SI1 • GIA 2566272905

Certificate GIA 2566272905

Diamond specifications and retailer prices

From $608 NZD
As of November 4, 2026
Save $747 NZD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,020 NZD at MOH London · As of November 2, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2566272905. Listed at 15 retailers as of November 4, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566272905
Dimensions4.27 × 4.26 × 3.16 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.27 mm4.26 mm0.51 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566272905
Side View
Table 71.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 74.1%

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 4
Current: $2,020 NZD|Low: $608 NZD|High: $3,351 NZD|Avg: $1,278 NZD
MOH London
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 4$608 NZD
Retailer 2$646 NZD
Retailer 6$1,067 NZD
Retailer 8$1,082 NZD
Retailer 11$1,096 NZD
Retailer 12$1,106 NZD
Retailer 3$1,131 NZD
Retailer 5$1,229 NZD
Retailer 13$1,236 NZD
Retailer 7$1,307 NZD
Retailer 9$1,356 NZD
MOH London$2,020 NZD
Retailer 10$3,351 NZD

7 data points across 13 retailers

15 retailers$608 NZD to $1,356 NZD

A
Cheapest Retailer
-
$608 NZD
Final sale: no returns
A
Retailer 2
-
$646 NZD
View
B+
Retailer 3
-
$801 NZD
View
B+
Retailer 4
-
$889 NZD
View
B
Retailer 5
-
$1,067 NZD
View
B
Retailer 6
-
$1,082 NZD
View
B
Retailer 7
-
$1,096 NZD
View
B
Retailer 8
-
$1,106 NZD
View
B
Retailer 9
-
$1,131 NZD
View
B
Retailer 10
-
$1,229 NZD
View
B
Retailer 11
-
$1,236 NZD
View
B
Retailer 12
-
$1,307 NZD
View
B
Retailer 13
-
$1,356 NZD
View
Most Expensive
MOH London
65D48ADDD · Nov 2
$2,020 NZD
£894 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $608 NZDSave up to $747 NZD

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
$608 NZD