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Round|Natural|IGI

1.30ct G IF Round Natural Diamond

EX • G/IF • IGI 828674522

Shape and cutting style on the report: Round brilliant

Certificate IGI 828674522

Diamond specifications and retailer prices

From £4,112 GBP
As of November 1, 2026
Save £3,117 GBP (43%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £8,230 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 828674522. Listed at 17 retailers as of November 1, 2026, with a 76% 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

1.30
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 828674522
Dimensions6.91 × 6.97 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.91 mm6.97 mm1.30 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828674522
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41.2°CuletDepth 62.6%

Caratlytics Score

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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 1
Current: £4,736 GBP|Low: £4,112 GBP|High: £7,336 GBP|Avg: £4,940 GBP|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9£4,112 GBP
Retailer 3£4,292 GBP
Retailer 5£4,381 GBP
Retailer 10£4,542 GBP
Retailer 2£4,543 GBP
Retailer 8£4,566 GBP
Retailer 1£4,736 GBP
Retailer 6£4,837 GBP
Retailer 11£4,891 GBP
Retailer 4£6,003 GBP
Retailer 7£7,229 GBP

32 data points across 11 retailers

17 retailers£4,112 GBP to £7,229 GBP

A
Cheapest Retailer
-
£4,112 GBP
A
Retailer 2
-
£4,292 GBP
View
A
Retailer 3
-
£4,381 GBP
View
Retailer 4
-
£4,542 GBP
View
Price last confirmed 29 days ago
A
Retailer 5
-
£4,542 GBP
View
Final sale: no returns
A
Retailer 6
-
£4,543 GBP
View
A
Retailer 7
-
£4,566 GBP
View
A
Retailer 8
-
£4,736 GBP
View
A
Retailer 9
-
£4,837 GBP
View
A
Retailer 10
-
£4,891 GBP
View
Retailer 11
-
£4,921 GBP
View
Price last confirmed 29 days ago
Retailer 12
-
£4,997 GBP
View
Price last confirmed 38 days ago
A
Retailer 13
-
£5,038 GBP
View
Retailer 14
-
£5,677 GBP
View
Price last confirmed 38 days ago
A
Retailer 15
-
£6,003 GBP
View
A
Retailer 16
-
£7,229 GBP
View
Most Expensive
NZ Jewellers
6212275a-00c6-4e2d-b246-d942e420755c · Sep 28
£8,230 GBP
$11,077 USD
View
Price last confirmed 38 days ago
16 more retailers have this diamond
Prices start from £4,112 GBPSave up to £3,117 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
1.30ct Round
£4,112 GBP