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0.81ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6552959035

Certificate GIA 6552959035

Diamond specifications and retailer prices

From £490 GBP
As of November 4, 2026
Save £317 GBP (39%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £807 GBP at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6552959035. Listed at 4 retailers as of November 4, 2026, with prices from £490 to £807, a £317 spread on the same certified stone. Frank Darling lists it at £807. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.81
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552959035
Dimensions5.96 × 5.99 × 3.74 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.96 mm5.99 mm0.81 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552959035
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.5%

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: £807 GBP|Low: £490 GBP|High: £909 GBP|Avg: £683 GBP|-10.9%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 3£490 GBP
Retailer 5£568 GBP
Retailer 2£642 GBP
Retailer 4£740 GBP
Frank Darling£807 GBP

26 data points across 5 retailers

4 retailers£490 GBP to £807 GBP

A
Cheapest Retailer
-
£490 GBP
B+
Retailer 2
-
£642 GBP
View
B+
Retailer 3
-
£740 GBP
View
Most Expensive
B
Frank Darling
2670218HK · Nov 6
£807 GBP
$1,086 USD
View
3 more retailers have this diamond
Prices start from £490 GBPSave up to £317 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
0.81ct Round
£490 GBP