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Round|Natural|GIA

1.21ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 1555614995

Certificate GIA 1555614995

Diamond specifications and retailer prices

From £1,940 GBP
As of November 6, 2026
8 retailers carry this diamond
Most expensive: £3,881 GBP at NZ Jewellers · As of October 9, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct 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 1555614995. Listed at 8 retailers as of November 6, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1555614995
Dimensions6.75 × 6.80 × 4.21 mm
L/W Ratio1.01
Key to symbols
Feather, Pinpoint, Cloud
Top View
6.75 mm6.80 mm1.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555614995
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,881 GBP|Low: £1,331 GBP|High: £3,998 GBP|Avg: £2,228 GBP|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 19, 2026
Retailer 7£1,331 GBP
Retailer 12£1,703 GBP
Retailer 2£1,719 GBP
Retailer 11£1,857 GBP
Retailer 10£1,872 GBP
Retailer 4£1,940 GBP
Retailer 3£2,000 GBP
Retailer 9£2,001 GBP
Retailer 6£2,234 GBP
Retailer 8£2,785 GBP
Retailer 5£3,221 GBP
NZ Jewellers£3,881 GBP

26 data points across 12 retailers

8 retailers

Retailer 1
-
£1,331 GBP
Price last confirmed 17 days ago
Retailer 2
-
£1,857 GBP
View
Price last confirmed 27 days ago
Retailer 3
-
£1,872 GBP
View
Price last confirmed 18 days ago
B+
Retailer 4
-
£1,940 GBP
View
Retailer 5
-
£2,000 GBP
View
Price last confirmed 38 days ago
Retailer 6
-
£2,785 GBP
View
Price last confirmed 20 days ago
Retailer 7
-
£3,221 GBP
View
Price last confirmed 18 days ago
Most Expensive
NZ Jewellers
e1b8e15d-6066-4a99-a6b5-16687d4969c2 · Oct 9
£3,881 GBP
$5,224 USD
View
Price last confirmed 28 days ago
7 more retailers have this diamond
Prices start from £1,940 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.

B+
1.21ct Round
£1,940 GBP