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Princess|Natural|GIA

1.00ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 6551587383

Certificate GIA 6551587383

Diamond specifications and retailer prices

From £782 GBP
As of November 4, 2026
Save £289 GBP (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,071 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 6551587383. Listed at 7 retailers as of November 4, 2026, with prices from £782 to £1,071, a £289 spread on the same certified stone. GemTrove lists it at £1,071. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551587383
Dimensions5.46 × 5.31 × 3.97 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.46 mm5.31 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551587383
Side View
Table 72.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 74.7%

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: £1,071 GBP|Low: £709 GBP|High: £1,071 GBP|Avg: £892 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7£782 GBP
Retailer 4£784 GBP
Retailer 3£816 GBP
Retailer 2£864 GBP
Retailer 6£885 GBP
Retailer 5£957 GBP
GemTrove£1,071 GBP

41 data points across 7 retailers

7 retailers£782 GBP to £1,071 GBP

A
Cheapest Retailer
-
£782 GBP
A
Retailer 2
-
£784 GBP
View
Final sale: no returns
A
Retailer 3
-
£816 GBP
View
A
Retailer 4
-
£864 GBP
View
A
Retailer 5
-
£885 GBP
View
A
Retailer 6
-
£957 GBP
View
Most Expensive
B+
GemTrove
GT-N-01306462-98 · Nov 6
£1,071 GBP
A$2,218 AUD
View
6 more retailers have this diamond
Prices start from £782 GBPSave up to £289 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
£782 GBP