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Princess|Natural|GIA

1.00ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 5556426781

Certificate GIA 5556426781

Diamond specifications and retailer prices

From £671 GBP
As of November 4, 2026
Save £308 GBP (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £979 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural princess diamond

This 1ct natural princess sits in the classic one-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 5556426781. Listed at 6 retailers as of November 4, 2026, with prices from £671 to £979, a £308 spread on the same certified stone. GemTrove lists it at £979. 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

1.00
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556426781
Dimensions5.35 × 5.34 × 3.97 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
5.35 mm5.34 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556426781
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 74.3%

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 4
Current: £979 GBP|Low: £576 GBP|High: £979 GBP|Avg: £768 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6£671 GBP
Retailer 4£675 GBP
Retailer 3£715 GBP
Retailer 2£759 GBP
Retailer 5£760 GBP
GemTrove£979 GBP

40 data points across 6 retailers

6 retailers£671 GBP to £979 GBP

A
Cheapest Retailer
-
£671 GBP
A
Retailer 2
-
£675 GBP
View
Final sale: no returns
A
Retailer 3
-
£715 GBP
View
A
Retailer 4
-
£759 GBP
View
A
Retailer 5
-
£760 GBP
View
Most Expensive
B+
GemTrove
GT-N-01306411-98 · Nov 6
£979 GBP
A$2,028 AUD
View
5 more retailers have this diamond
Prices start from £671 GBPSave up to £308 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
1.00ct Princess
£671 GBP