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Princess|Natural|GIA

1.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 6562315897

Certificate GIA 6562315897

Diamond specifications and retailer prices

From £1,646 GBP
As of November 4, 2026
Save £350 GBP (18%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,996 GBP at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562315897. Listed at 5 retailers as of November 4, 2026, with prices from £1,646 to £1,996, a £350 spread on the same certified stone. Michael Trio lists it at £1,996. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6562315897
Dimensions6.04 × 5.94 × 4.61 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural
Top View
6.04 mm5.94 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562315897
Side View
Table 72.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 77.6%

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: £1,996 GBP|Low: £1,534 GBP|High: £2,109 GBP|Avg: £1,796 GBP|-5.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3£1,646 GBP
Retailer 5£1,719 GBP
Retailer 4£1,740 GBP
Retailer 2£1,847 GBP
Michael Trio£1,996 GBP

41 data points across 5 retailers

5 retailers£1,646 GBP to £1,996 GBP

A
Cheapest Retailer
-
£1,646 GBP
A
Retailer 2
-
£1,719 GBP
View
A
Retailer 3
-
£1,740 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,847 GBP
View
Most Expensive
B+
Michael Trio
3682894126 · Nov 6
£1,996 GBP
SGD 3,630 SGD
View
4 more retailers have this diamond
Prices start from £1,646 GBPSave up to £350 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
£1,646 GBP