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Round|Natural|GIA

1.09ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 2567327821

Certificate GIA 2567327821

Diamond specifications and retailer prices

From £1,519 GBP
As of November 1, 2026
Save £363 GBP (19%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,882 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2567327821. Listed at 5 retailers as of November 1, 2026, with prices from £1,519 to £1,882, a £363 spread on the same certified stone. Blue Nile lists it at £1,882. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2567327821
Dimensions6.55 × 6.58 × 4.10 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
6.55 mm6.58 mm1.09 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567327821
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.4%

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 1
Current: £1,882 GBP|Low: £1,519 GBP|High: £1,882 GBP|Avg: £1,693 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3£1,519 GBP
Retailer 4£1,575 GBP
Retailer 2£1,702 GBP
Retailer 5£1,788 GBP
Blue Nile£1,882 GBP

33 data points across 5 retailers

5 retailers£1,519 GBP to £1,882 GBP

A
Cheapest Retailer
-
£1,519 GBP
A
Retailer 2
-
£1,575 GBP
View
A
Retailer 3
-
£1,702 GBP
View
B+
Retailer 4
-
£1,788 GBP
View
Most Expensive
B+
Blue Nile
30269641 · Nov 5
£1,882 GBP
$2,533 USD
View
4 more retailers have this diamond
Prices start from £1,519 GBPSave up to £363 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
1.09ct Round
£1,519 GBP