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Round|Natural|GIA

1.21ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 5241057479

Certificate GIA 5241057479

Diamond specifications and retailer prices

From £1,855 GBP
As of November 5, 2026
Save £1,393 GBP (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,248 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 5241057479. Listed at 15 retailers as of November 4, 2026, with prices from £1,855 to £3,248, a £1,393 spread on the same certified stone. Wholesale Diamonds Direct lists it at £3,248. 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
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5241057479
Dimensions6.84 × 6.88 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.84 mm6.88 mm1.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5241057479
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.6%

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 5
Current: £2,128 GBP|Low: £1,845 GBP|High: £3,295 GBP|Avg: £2,305 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Wholesale Diamonds Direct
November 6, 2026
Retailer 9£1,855 GBP
Retailer 13£1,947 GBP
Retailer 12£1,970 GBP
Retailer 6£1,993 GBP
Retailer 11£1,995 GBP
Retailer 14£2,004 GBP
Retailer 1£2,128 GBP
Retailer 4£2,182 GBP
Retailer 2£2,345 GBP
Retailer 7£2,398 GBP
Retailer 3£2,424 GBP
Retailer 8£2,514 GBP
Retailer 10£2,514 GBP
Retailer 5£3,055 GBP
Wholesale Diamonds Direct£3,248 GBP

28 data points across 15 retailers

15 retailers£1,855 GBP to £3,248 GBP

A
Cheapest Retailer
-
£1,855 GBP
A
Retailer 2
-
£1,947 GBP
View
A
Retailer 3
-
£1,970 GBP
View
A
Retailer 4
-
£1,993 GBP
View
A
Retailer 5
-
£1,995 GBP
View
A
Retailer 6
-
£2,004 GBP
View
B+
Retailer 7
-
£2,128 GBP
View
B+
Retailer 8
-
£2,182 GBP
View
B+
Retailer 9
-
£2,345 GBP
View
B+
Retailer 10
-
£2,398 GBP
View
B+
Retailer 11
-
£2,424 GBP
View
B+
Retailer 12
-
£2,514 GBP
View
B+
Retailer 13
-
£2,514 GBP
View
B
Retailer 14
-
£3,055 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
642330874 · Nov 4
£3,248 GBP
$4,371 USD
View
14 more retailers have this diamond
Prices start from £1,855 GBPSave up to £1,393 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
1.21ct Round
£1,855 GBP