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Princess|Natural|GIA

1.51ct H SI2 Princess Natural Diamond

EX • H/SI2 • GIA 2387508343

Certificate GIA 2387508343

Diamond specifications and retailer prices

From £3,510 GBP
As of November 6, 2026
Save £1,545 GBP (31%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,055 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2387508343. Listed at 10 retailers as of November 6, 2026, with prices from £3,510 to £5,055, a £1,545 spread on the same certified stone. 77 Diamonds lists it at £5,055. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2387508343
Dimensions6.33 × 6.29 × 4.55 mm
L/W Ratio1.01
Top View
6.33 mm6.29 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2387508343
Side View
Table 73.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 72.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £5,055 GBP|Low: £3,510 GBP|High: £5,138 GBP|Avg: £4,338 GBP|+0.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£3,510 GBP
Retailer 3£3,591 GBP
Retailer 5£3,688 GBP
Retailer 6£3,920 GBP
Retailer 2£4,498 GBP
Retailer 4£4,524 GBP
Retailer 8£4,804 GBP
Retailer 9£4,804 GBP
Retailer 10£4,961 GBP
77 Diamonds£5,055 GBP

34 data points across 10 retailers

10 retailers£3,510 GBP to £5,055 GBP

B+
Cheapest Retailer
-
£3,510 GBP
B+
Retailer 2
-
£3,591 GBP
View
B+
Retailer 3
-
£3,688 GBP
View
B+
Retailer 4
-
£3,920 GBP
View
B
Retailer 5
-
£4,498 GBP
View
B
Retailer 6
-
£4,524 GBP
View
B
Retailer 7
-
£4,804 GBP
View
B
Retailer 8
-
£4,804 GBP
View
B
Retailer 9
-
£4,961 GBP
View
Most Expensive
B
77 Diamonds
PRIZYZPZGAND · Nov 6
£5,055 GBP
View
9 more retailers have this diamond
Prices start from £3,510 GBPSave up to £1,545 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
£3,510 GBP