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Round|Natural|IGI

1.21ct G IF Round Natural Diamond

EX • G/IF • IGI 825619079

Shape and cutting style on the report: Round brilliant

Certificate IGI 825619079

Diamond specifications and retailer prices

From £2,428 GBP
As of November 5, 2026
Save £3,228 GBP (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,656 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 825619079. Listed at 22 retailers as of November 5, 2026, with prices from £2,428 to £5,656, a £3,228 spread on the same certified stone. NZ Jewellers lists it at £5,656. 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
FluorescenceFaint
Crown angle35.6°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 825619079
Dimensions6.77 × 6.81 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.77 mm6.81 mm1.21 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 825619079
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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 5
Current: £5,656 GBP|Low: £2,428 GBP|High: £5,701 GBP|Avg: £3,531 GBP|-0.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 3£2,428 GBP
Retailer 7£2,644 GBP
Retailer 4£2,774 GBP
Retailer 10£2,879 GBP
Retailer 2£2,890 GBP
Retailer 14£2,890 GBP
Retailer 16£2,996 GBP
Retailer 5£3,247 GBP
Retailer 8£3,272 GBP
Retailer 12£3,329 GBP
Retailer 9£3,382 GBP
Retailer 11£3,395 GBP
Retailer 15£3,445 GBP
Retailer 19£3,447 GBP
Retailer 17£3,647 GBP
Retailer 18£3,746 GBP
Retailer 13£3,961 GBP
Retailer 6£5,197 GBP
NZ Jewellers£5,656 GBP

24 data points across 19 retailers

22 retailers£2,428 GBP to £5,656 GBP

A+
Cheapest Retailer
-
£2,428 GBP
A
Retailer 2
-
£2,644 GBP
View
A
Retailer 3
-
£2,774 GBP
View
A
Retailer 4
-
£2,879 GBP
View
A
Retailer 5
-
£2,890 GBP
View
A
Retailer 6
-
£2,890 GBP
View
A
Retailer 7
-
£2,996 GBP
View
Final sale: no returns
A
Retailer 8
-
£3,034 GBP
View
A
Retailer 9
-
£3,247 GBP
View
A
Retailer 10
-
£3,256 GBP
View
A
Retailer 11
-
£3,272 GBP
View
Retailer 12
-
£3,283 GBP
View
Price last confirmed 12 days ago
A
Retailer 13
-
£3,329 GBP
View
A
Retailer 14
-
£3,382 GBP
View
A
Retailer 15
-
£3,395 GBP
View
A
Retailer 16
-
£3,445 GBP
View
A
Retailer 17
-
£3,447 GBP
View
A
Retailer 18
-
£3,647 GBP
View
A
Retailer 19
-
£3,746 GBP
View
A
Retailer 20
-
£3,961 GBP
View
A
Retailer 21
-
£5,197 GBP
View
Most Expensive
B+
NZ Jewellers
f1055a0f-4e26-4f36-9fd9-d0e2cca0b1ac · Nov 5
£5,656 GBP
$7,613 USD
View
21 more retailers have this diamond
Prices start from £2,428 GBPSave up to £3,228 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
£2,428 GBP