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Round|Natural|IGI

1.30ct J IF Round Natural Diamond

EX • J/IF • IGI 613374871

Shape and cutting style on the report: Round brilliant

Certificate IGI 613374871

Diamond specifications and retailer prices

From £1,941 GBP
As of November 6, 2026
Save £2,495 GBP (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,436 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 613374871. Listed at 16 retailers as of November 5, 2026, with prices from £1,941 to £4,436, a £2,495 spread on the same certified stone. NZ Jewellers lists it at £4,436. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 613374871
Dimensions7.04 × 7.01 × 4.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.04 mm7.01 mm1.30 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 613374871
Side View
Table 59.0%Crown 32.5°Girdle: ThickPavilion 41°Culet: NoneDepth 60.5%

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 6
Current: £4,436 GBP|Low: £1,941 GBP|High: £4,436 GBP|Avg: £2,864 GBP
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
November 6, 2026
Retailer 2£1,941 GBP
Retailer 4£2,261 GBP
Retailer 9£2,268 GBP
Retailer 8£2,350 GBP
Retailer 15£2,458 GBP
Retailer 3£2,546 GBP
Retailer 7£2,546 GBP
Retailer 5£2,644 GBP
Retailer 10£2,651 GBP
Retailer 6£2,654 GBP
Retailer 16£2,938 GBP
Retailer 11£2,956 GBP
Retailer 13£2,958 GBP
Retailer 12£3,108 GBP
Retailer 14£4,247 GBP
NZ Jewellers£4,436 GBP

27 data points across 16 retailers

16 retailers£1,941 GBP to £4,436 GBP

A
Cheapest Retailer
-
£1,941 GBP
A
Retailer 2
-
£2,261 GBP
View
A
Retailer 3
-
£2,268 GBP
View
A
Retailer 4
-
£2,350 GBP
View
Final sale: no returns
A
Retailer 5
-
£2,458 GBP
View
A
Retailer 6
-
£2,546 GBP
View
Retailer 7
-
£2,546 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£2,644 GBP
View
A
Retailer 9
-
£2,651 GBP
View
A
Retailer 10
-
£2,654 GBP
View
A
Retailer 11
-
£2,938 GBP
View
A
Retailer 12
-
£2,956 GBP
View
A
Retailer 13
-
£2,958 GBP
View
A
Retailer 14
-
£3,108 GBP
View
B
Retailer 15
-
£4,247 GBP
View
Most Expensive
B
NZ Jewellers
1bd83857-cec8-48fe-bc08-019719390dd4 · Nov 5
£4,436 GBP
$5,938 USD
View
15 more retailers have this diamond
Prices start from £1,941 GBPSave up to £2,495 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
£1,941 GBP