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Round|Natural|GIA

1.21ct M IF Round Natural Diamond

EX • M/IF • GIA 6492535112

Certificate GIA 6492535112

Diamond specifications and retailer prices

From £1,615 GBP
As of November 6, 2026
Save £2,123 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,738 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 M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6492535112. Listed at 12 retailers as of November 5, 2026, with prices from £1,615 to £3,738, a £2,123 spread on the same certified stone. NZ Jewellers lists it at £3,738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6492535112
Dimensions6.84 × 6.86 × 4.25 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.84 mm6.86 mm1.21 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6492535112
Side View
Table 54.0%Crown 34°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,738 GBP|Low: £1,615 GBP|High: £3,809 GBP|Avg: £2,054 GBP|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13£1,615 GBP
Retailer 2£1,616 GBP
Retailer 5£1,692 GBP
Retailer 9£1,779 GBP
Retailer 8£1,788 GBP
Retailer 11£1,788 GBP
Retailer 3£1,870 GBP
Retailer 10£1,892 GBP
Retailer 12£2,063 GBP
Retailer 4£2,081 GBP
Retailer 7£2,182 GBP
Retailer 6£2,214 GBP
NZ Jewellers£3,738 GBP

43 data points across 13 retailers

12 retailers£1,615 GBP to £3,738 GBP

A
Cheapest Retailer
-
£1,615 GBP
A
Retailer 2
-
£1,616 GBP
View
B+
Retailer 3
-
£1,779 GBP
View
Retailer 4
-
£1,788 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,788 GBP
View
B+
Retailer 6
-
£1,870 GBP
View
B+
Retailer 7
-
£1,892 GBP
View
B+
Retailer 8
-
£2,063 GBP
View
B+
Retailer 9
-
£2,081 GBP
View
B+
Retailer 10
-
£2,182 GBP
View
B+
Retailer 11
-
£2,214 GBP
View
Most Expensive
B
NZ Jewellers
60943b3f-09d6-4547-81d5-1fe2fabf4971 · Nov 5
£3,738 GBP
$5,031 USD
View
11 more retailers have this diamond
Prices start from £1,615 GBPSave up to £2,123 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
£1,615 GBP