CaratHunter
Plans
Princess|Natural|GIA

1.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 1545916614

Certificate GIA 1545916614

Diamond specifications and retailer prices

From £3,056 GBP
As of November 4, 2026
Save £1,051 GBP (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,107 GBP at GemTrove · As of November 6, 2026
View at GemTrove

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545916614. Listed at 9 retailers as of November 4, 2026, with prices from £3,056 to £4,107, a £1,051 spread on the same certified stone. GemTrove lists it at £4,107. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545916614
Dimensions6.22 × 6.22 × 4.50 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.22 mm6.22 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545916614
Side View
Table 71.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.4%

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: £3,059 GBP|Low: £2,728 GBP|High: £3,985 GBP|Avg: £3,319 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3£3,056 GBP
Retailer 1£3,059 GBP
Retailer 4£3,162 GBP
Retailer 7£3,219 GBP
Retailer 2£3,231 GBP
Retailer 6£3,310 GBP
Retailer 5£3,646 GBP

45 data points across 7 retailers

9 retailers£3,056 GBP to £4,107 GBP

A
Cheapest Retailer
-
£3,056 GBP
A
Retailer 2
-
£3,059 GBP
View
A
Retailer 3
-
£3,162 GBP
View
Final sale: no returns
A
Retailer 4
-
£3,219 GBP
View
A
Retailer 5
-
£3,231 GBP
View
A
Retailer 6
-
£3,310 GBP
View
A
Retailer 7
-
£3,646 GBP
View
B+
Retailer 8
-
£3,864 GBP
View
Most Expensive
B+
GemTrove
GT-N-01307669-98 · Nov 6
£4,107 GBP
A$8,458 AUD
View
8 more retailers have this diamond
Prices start from £3,056 GBPSave up to £1,051 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.

A
1.51ct Princess
£3,056 GBP