Princess|Natural|GIA

0.51ct I SI1 Princess Natural Diamond

GD • I/SI1 • GIA 7541945349

Certificate GIA 7541945349

Diamond specifications and retailer prices

From £486 GBP
As of November 5, 2026
Save £232 GBP (32%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,073 GBP at MOH London · As of November 4, 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 I 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 7541945349. Listed at 24 retailers as of November 4, 2026, with a 48% 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
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7541945349
Dimensions4.42 × 4.30 × 3.20 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather
Top View
4.42 mm4.30 mm0.51 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541945349
Side View
Table 73.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 74.3%

Caratlytics Score

How it works →
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 5
Current: £1,073 GBP|Low: £453 GBP|High: £1,087 GBP|Avg: £696 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£453 GBP
Retailer 3£566 GBP
Retailer 2£681 GBP
Retailer 6£699 GBP
Retailer 4£718 GBP
MOH London£1,073 GBP

44 data points across 6 retailers

24 retailers£486 GBP to £718 GBP

Retailer 1
-
£421 GBP
Price last confirmed 16 days ago
Retailer 2
-
£421 GBP
View
Price last confirmed 46 days ago
Retailer 3
-
£421 GBP
View
Price last confirmed 30 days ago
Retailer 4
-
£453 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£453 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
£453 GBP
View
Price last confirmed 30 days ago
Retailer 7
-
£453 GBP
View
Price last confirmed 39 days ago
B
Retailer 8
-
£486 GBP
View
Retailer 9
-
£486 GBP
View
Price last confirmed 46 days ago
Retailer 10
-
£486 GBP
View
Price last confirmed 29 days ago
Retailer 11
-
£486 GBP
View
Price last confirmed 17 days ago
B
Retailer 12
-
£505 GBP
View
B
Retailer 13
-
£516 GBP
View
B
Retailer 14
-
£516 GBP
View
B
Retailer 15
-
£538 GBP
View
B
Retailer 16
-
£566 GBP
View
C
Retailer 17
-
£670 GBP
View
B
Retailer 18
-
£681 GBP
View
Retailer 19
-
£699 GBP
View
Price last confirmed 33 days ago
B
Retailer 20
-
£718 GBP
View
Most Expensive
MOH London
4EBE5A817 · Nov 4
£1,073 GBP
View
Price under review
20 more retailers have this diamond
Prices start from £486 GBPSave up to £232 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
£486 GBP