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Princess|Natural|GIA

1.31ct H SI2 Princess Natural Diamond

EX • H/SI2 • GIA 1553450375

Certificate GIA 1553450375

Diamond specifications and retailer prices

From £1,520 GBP
As of November 6, 2026
Save £353 GBP (19%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,874 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.31ct natural princess diamond

This 1.31ct natural princess sits in the one-and-a-quarter to one-and-a-half 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 1553450375. Listed at 6 retailers as of November 6, 2026, with prices from £1,520 to £1,874, a £353 spread on the same certified stone. GemTrove lists it at £1,874. 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

1.31
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553450375
Dimensions6.00 × 5.91 × 4.29 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
6.00 mm5.91 mm1.31 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553450375
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,874 GBP|Low: £1,317 GBP|High: £1,874 GBP|Avg: £1,653 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£1,520 GBP
Retailer 4£1,529 GBP
Retailer 6£1,546 GBP
Retailer 2£1,654 GBP
Retailer 5£1,742 GBP
GemTrove£1,874 GBP

42 data points across 6 retailers

6 retailers£1,520 GBP to £1,874 GBP

A
Cheapest Retailer
-
£1,520 GBP
A
Retailer 2
-
£1,529 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,546 GBP
View
A
Retailer 4
-
£1,654 GBP
View
A
Retailer 5
-
£1,742 GBP
View
Most Expensive
A
GemTrove
GT-N-01307422-98 · Nov 6
£1,874 GBP
A$3,858 AUD
View
5 more retailers have this diamond
Prices start from £1,520 GBPSave up to £353 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
1.31ct Princess
£1,520 GBP