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Round|Natural|IGI

1.30ct H IF Round Natural Diamond

EX • H/IF • IGI 681510832

Shape and cutting style on the report: Round brilliant

Certificate IGI 681510832

Diamond specifications and retailer prices

From £2,934 GBP
As of November 5, 2026
Save £2,712 GBP (48%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,193 GBP at NZ Jewellers · As of September 25, 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 H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 681510832. Listed at 22 retailers as of November 4, 2026, with a 92% 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
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 681510832
Dimensions6.95 × 6.99 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.95 mm6.99 mm1.30 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 681510832
Side View
Table 59.0%Crown 35.4°Girdle: Slightly ThickPavilion 40.7°Culet: NoneDepth 61.5%

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: £4,337 GBP|Low: £2,934 GBP|High: £5,730 GBP|Avg: £3,884 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3£2,934 GBP
Retailer 7£3,281 GBP
Retailer 5£3,544 GBP
Retailer 8£3,555 GBP
Retailer 2£3,956 GBP
Retailer 4£3,997 GBP
Retailer 1£4,337 GBP
Retailer 6£5,646 GBP

36 data points across 8 retailers

22 retailers£2,934 GBP to £5,646 GBP

A
Cheapest Retailer
-
£2,934 GBP
A
Retailer 2
-
£3,101 GBP
View
A
Retailer 3
-
£3,281 GBP
View
Final sale: no returns
A
Retailer 4
-
£3,355 GBP
View
A
Retailer 5
-
£3,498 GBP
View
A
Retailer 6
-
£3,544 GBP
View
Retailer 7
-
£3,555 GBP
View
Price last confirmed 45 days ago
A
Retailer 8
-
£3,555 GBP
View
Retailer 9
-
£3,555 GBP
View
Price last confirmed 36 days ago
Retailer 10
-
£3,555 GBP
View
Price last confirmed 21 days ago
Retailer 11
-
£3,555 GBP
View
Price last confirmed 38 days ago
A
Retailer 12
-
£3,555 GBP
View
A
Retailer 13
-
£3,667 GBP
View
A
Retailer 14
-
£3,956 GBP
View
A
Retailer 15
-
£3,997 GBP
View
Retailer 16
-
£4,102 GBP
View
Price last confirmed 45 days ago
Retailer 17
-
£4,102 GBP
View
Price last confirmed 38 days ago
A
Retailer 18
-
£4,337 GBP
View
B+
Retailer 19
-
£5,646 GBP
View
Retailer 20
-
£6,193 GBP
View
Price last confirmed 17 days ago
Retailer 21
-
£6,193 GBP
View
Price last confirmed 40 days ago
Most Expensive
NZ Jewellers
66fef57d-ff70-44ea-9993-aa65c42d9992 · Sep 25
£6,193 GBP
$8,289 USD
View
Price last confirmed 42 days ago
21 more retailers have this diamond
Prices start from £2,934 GBPSave up to £2,712 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
£2,934 GBP