CaratHunter
Plans
Princess|Natural|GSI

1.51ct F I1 Princess Natural Diamond

GD • F/I1 • GSI 97236300101

Certificate GSI 97236300101

Diamond specifications and retailer prices

From £4,273 GBP
$5,734 USD
As of October 29, 2026
Save £2,874 GBP (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £7,147 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a standard cut grade and certified by GSI 97236300101. Listed at 5 retailers as of October 30, 2026, with prices from £4,273 to £7,147, a £2,874 spread on the same certified stone. NZ Jewellers lists it at £7,147. 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

1.51
Carat
F
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle41.5°
Pavilion angle39.8°
OriginNatural
Grading LabGSI
CertificateGSI 97236300101
Dimensions6.19 × 6.16 × 4.48 mm
L/W Ratio1.00
Top View
6.19 mm6.16 mm1.51 ctF / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGSI 97236300101
Side View
Table 70.0%Crown 41.5°GirdlePavilion 39.8°Culet: NoneDepth 72.7%

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: Oct 29
Current: £7,147 GBP|Low: £2,795 GBP|High: £7,147 GBP|Avg: £4,646 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6£2,795 GBP
Retailer 2£4,273 GBP
Retailer 4£4,273 GBP
Retailer 5£4,273 GBP
Retailer 3£4,931 GBP
NZ Jewellers£7,147 GBP

10 data points across 6 retailers

5 retailers£4,273 GBP to £7,147 GBP

B
Cheapest Retailer
-
£4,273 GBP
$5,734 USD
B
Retailer 2
-
£4,273 GBP
$5,734 USD
View
B
Retailer 3
-
£4,273 GBP
$5,734 USD
View
B
Retailer 4
-
£4,931 GBP
$6,617 USD
View
Most Expensive
C
NZ Jewellers
9c0068c6-77cf-41c0-9a73-815e85ba4c6d · Oct 30
£7,147 GBP
$9,591 USD
View
4 more retailers have this diamond
Prices start from £4,273 GBPSave up to £2,874 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
1.51ct Princess
£4,273 GBP