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Round|Natural|GIA

1.21ct K IF Round Natural Diamond

EX • K/IF • GIA 2568218943

Certificate GIA 2568218943

Diamond specifications and retailer prices

From £1,951 GBP
As of November 6, 2026
Save £2,708 GBP (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,658 GBP at NZ Jewellers · As of November 5, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2568218943. Listed at 10 retailers as of November 5, 2026, with prices from £1,951 to £4,658, a £2,708 spread on the same certified stone. NZ Jewellers lists it at £4,658. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2568218943
Dimensions6.71 × 6.76 × 4.23 mm
L/W Ratio1.01
Top View
6.71 mm6.76 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2568218943
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.8°Culet: NDepth 62.7%

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 6
Current: £4,658 GBP|Low: £1,951 GBP|High: £4,883 GBP|Avg: £3,056 GBP|-4.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3£1,951 GBP
Retailer 4£2,350 GBP
Retailer 10£2,383 GBP
Retailer 9£2,534 GBP
Retailer 8£2,674 GBP
Retailer 5£2,710 GBP
Retailer 2£2,740 GBP
Retailer 6£3,041 GBP
Retailer 7£4,459 GBP
NZ Jewellers£4,658 GBP

39 data points across 10 retailers

10 retailers£1,951 GBP to £4,658 GBP

A
Cheapest Retailer
-
£1,951 GBP
A
Retailer 2
-
£2,350 GBP
View
A
Retailer 3
-
£2,383 GBP
View
B+
Retailer 4
-
£2,534 GBP
View
B+
Retailer 5
-
£2,674 GBP
View
B+
Retailer 6
-
£2,710 GBP
View
B+
Retailer 7
-
£2,740 GBP
View
B+
Retailer 8
-
£3,041 GBP
View
B
Retailer 9
-
£4,459 GBP
View
Most Expensive
B
NZ Jewellers
50ef4b07-1cac-43d6-922f-a367c2294630 · Nov 5
£4,658 GBP
$6,235 USD
View
9 more retailers have this diamond
Prices start from £1,951 GBPSave up to £2,708 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
£1,951 GBP