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Round|Natural|IGI

1.30ct I IF Round Natural Diamond

EX • I/IF • IGI 768618607

Shape and cutting style on the report: Round brilliant

Certificate IGI 768618607

Diamond specifications and retailer prices

From £2,428 GBP
As of November 5, 2026
Save £3,103 GBP (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,531 GBP at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 768618607. Listed at 17 retailers as of November 5, 2026, with prices from £2,428 to £5,531, a £3,103 spread on the same certified stone. NZ Jewellers lists it at £5,531. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 768618607
Dimensions6.90 × 6.95 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.90 mm6.95 mm1.30 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768618607
Side View
Table 56.0%Crown 36.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.6%

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: £3,256 GBP|Low: £2,428 GBP|High: £5,365 GBP|Avg: £3,444 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£2,428 GBP
Retailer 8£2,693 GBP
Retailer 3£2,826 GBP
Retailer 1£3,256 GBP
Retailer 2£3,565 GBP
Retailer 5£3,586 GBP
Retailer 4£3,875 GBP
Retailer 7£5,294 GBP

26 data points across 8 retailers

17 retailers£2,428 GBP to £5,531 GBP

A
Cheapest Retailer
-
£2,428 GBP
A
Retailer 2
-
£2,693 GBP
View
A
Retailer 3
-
£2,794 GBP
View
A
Retailer 4
-
£2,826 GBP
View
A
Retailer 5
-
£2,930 GBP
View
Final sale: no returns
A
Retailer 6
-
£3,013 GBP
View
A
Retailer 7
-
£3,175 GBP
View
Retailer 8
-
£3,175 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£3,175 GBP
View
A
Retailer 10
-
£3,256 GBP
View
A
Retailer 11
-
£3,284 GBP
View
A
Retailer 12
-
£3,565 GBP
View
A
Retailer 13
-
£3,586 GBP
View
A
Retailer 14
-
£3,663 GBP
View
A
Retailer 15
-
£3,875 GBP
View
B+
Retailer 16
-
£5,294 GBP
View
Most Expensive
B+
NZ Jewellers
b6e9754c-0a9b-4b59-8e8d-a5f7aa5c571e · Nov 5
£5,531 GBP
$7,444 USD
View
16 more retailers have this diamond
Prices start from £2,428 GBPSave up to £3,103 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
£2,428 GBP