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Round|Natural|GIA

1.21ct K IF Round Natural Diamond

EX • K/IF • GIA 6565093624

Certificate GIA 6565093624

Diamond specifications and retailer prices

From £1,996 GBP
As of November 6, 2026
Save £2,610 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,143 GBP at NZ Jewellers · As of September 28, 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 6565093624. Listed at 18 retailers as of November 4, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565093624
Dimensions6.78 × 6.81 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.78 mm6.81 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565093624
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°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 6
Current: £1,996 GBP|Low: £1,996 GBP|High: £4,839 GBP|Avg: £2,896 GBP|-5.6%
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
November 6, 2026
Retailer 1£1,996 GBP
Retailer 4£2,109 GBP
Retailer 6£2,460 GBP
Retailer 12£2,528 GBP
Retailer 5£2,530 GBP
Retailer 3£2,549 GBP
Retailer 2£2,649 GBP
Retailer 10£2,841 GBP
Retailer 13£2,870 GBP
Retailer 9£2,971 GBP
Retailer 8£3,178 GBP
Retailer 7£3,371 GBP
Retailer 11£4,606 GBP

23 data points across 13 retailers

18 retailers£1,996 GBP to £4,606 GBP

A
Cheapest Retailer
-
£1,996 GBP
A
Retailer 2
-
£2,109 GBP
View
A
Retailer 3
-
£2,460 GBP
View
A
Retailer 4
-
£2,528 GBP
View
A
Retailer 5
-
£2,530 GBP
View
B+
Retailer 6
-
£2,549 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,649 GBP
View
B+
Retailer 8
-
£2,733 GBP
View
B+
Retailer 9
-
£2,841 GBP
View
B+
Retailer 10
-
£2,870 GBP
View
Retailer 11
-
£2,878 GBP
View
Price last confirmed 30 days ago
Retailer 12
-
£2,952 GBP
View
Price last confirmed 38 days ago
B+
Retailer 13
-
£2,971 GBP
View
B+
Retailer 14
-
£3,178 GBP
View
Retailer 15
-
£3,321 GBP
View
Price last confirmed 30 days ago
B+
Retailer 16
-
£3,371 GBP
View
B
Retailer 17
-
£4,606 GBP
View
Most Expensive
NZ Jewellers
037cacee-9723-4de5-bffe-b80259db9f3d · Sep 28
£5,143 GBP
$6,884 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from £1,996 GBPSave up to £2,610 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
£1,996 GBP