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Princess|Natural|GIA

1.00ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 6551246050

Certificate GIA 6551246050

Diamond specifications and retailer prices

From £757 GBP
As of November 4, 2026
Save £309 GBP (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,066 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551246050. Listed at 6 retailers as of November 4, 2026, with prices from £757 to £1,066, a £309 spread on the same certified stone. GemTrove lists it at £1,066. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551246050
Dimensions5.37 × 5.31 × 3.96 mm
L/W Ratio1.01
Top View
5.37 mm5.31 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551246050
Side View
Table 72.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 74.5%

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 4
Current: £1,066 GBP|Low: £757 GBP|High: £1,066 GBP|Avg: £894 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£757 GBP
Retailer 3£790 GBP
Retailer 2£831 GBP
Retailer 5£857 GBP
Retailer 4£928 GBP
GemTrove£1,066 GBP

41 data points across 6 retailers

6 retailers£757 GBP to £1,066 GBP

A
Cheapest Retailer
-
£757 GBP
A
Retailer 2
-
£790 GBP
View
A
Retailer 3
-
£831 GBP
View
A
Retailer 4
-
£857 GBP
View
A
Retailer 5
-
£928 GBP
View
Most Expensive
B+
GemTrove
GT-N-01306372-98 · Nov 6
£1,066 GBP
A$2,208 AUD
View
5 more retailers have this diamond
Prices start from £757 GBPSave up to £309 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
£757 GBP