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Round|Natural|GIA

1.21ct K IF Round Natural Diamond

EX • K/IF • GIA 1246020332

Certificate GIA 1246020332

Diamond specifications and retailer prices

From £2,776 GBP
As of November 6, 2026
7 retailers carry this diamond
Most expensive: £4,397 GBP at MOH London · As of October 29, 2026
View at MOH London

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 1246020332. Listed at 7 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246020332
Dimensions6.74 × 6.78 × 4.24 mm
L/W Ratio1.01
Top View
6.74 mm6.78 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246020332
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £4,397 GBP|Low: £1,913 GBP|High: £4,668 GBP|Avg: £2,930 GBP|-5.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4£1,913 GBP
Retailer 6£2,363 GBP
Retailer 5£2,686 GBP
Retailer 7£2,776 GBP
Retailer 3£2,817 GBP
Retailer 2£3,016 GBP
MOH London£4,397 GBP

31 data points across 7 retailers

7 retailers

Retailer 1
-
£1,913 GBP
Price last confirmed 8 days ago
Retailer 2
-
£2,363 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£2,686 GBP
View
Price last confirmed 11 days ago
B+
Retailer 4
-
£2,776 GBP
View
Retailer 5
-
£2,817 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£3,016 GBP
View
Price last confirmed 8 days ago
Most Expensive
MOH London
EC09C9706 · Oct 29
£4,397 GBP
View
Price last confirmed 8 days ago
6 more retailers have this diamond
Prices start from £2,776 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
£2,776 GBP