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Round|Natural|GIA

1.21ct G IF Round Natural Diamond

EX • G/IF • GIA 3565328353

Certificate GIA 3565328353

Diamond specifications and retailer prices

From £4,737 GBP
As of November 5, 2026
Save £1,751 GBP (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,488 GBP at Yorxs · As of November 4, 2026
View at Yorxs

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 3565328353. Listed at 7 retailers as of November 4, 2026, with prices from £4,737 to £6,488, a £1,751 spread on the same certified stone. Yorxs lists it at £6,488. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3565328353
Dimensions6.76 × 6.80 × 4.23 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.76 mm6.80 mm1.21 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565328353
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 5
Current: £6,210 GBP|Low: £4,737 GBP|High: £6,561 GBP|Avg: £5,536 GBP|+17.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 6, 2026
Retailer 2£4,737 GBP
Retailer 4£4,852 GBP
Retailer 7£4,949 GBP
Retailer 5£5,142 GBP
Retailer 3£5,469 GBP
Retailer 1£6,210 GBP
Retailer 6£6,332 GBP
Yorxs£6,488 GBP

35 data points across 8 retailers

7 retailers£4,737 GBP to £6,488 GBP

A
Cheapest Retailer
-
£4,737 GBP
Retailer 2
-
£4,848 GBP
View
Price last confirmed 37 days ago
A
Retailer 3
-
£4,852 GBP
View
Retailer 4
-
£4,949 GBP
View
Price last confirmed 36 days ago
A
Retailer 5
-
£5,469 GBP
View
B+
Retailer 6
-
£6,210 GBP
View
Most Expensive
B+
Yorxs
1345 · Nov 4
£6,488 GBP
€8,316 EUR
View
6 more retailers have this diamond
Prices start from £4,737 GBPSave up to £1,751 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
£4,737 GBP