Round|Natural|IGI

1.53ct H IF Round Natural Diamond

EX • H/IF • IGI 758571726

Shape and cutting style on the report: Round brilliant

Certificate IGI 758571726

Diamond specifications and retailer prices

From £4,584 GBP
As of November 4, 2026
Save £3,039 GBP (40%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £9,173 GBP at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 758571726. Listed at 14 retailers as of November 4, 2026, with a 66% 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

1.53
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 758571726
Dimensions7.25 × 7.31 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.25 mm7.31 mm1.53 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 758571726
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 41°CuletDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
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 4
Current: £9,173 GBP|Low: £4,584 GBP|High: £9,173 GBP|Avg: £6,147 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£4,584 GBP
Retailer 2£4,954 GBP
Retailer 8£5,063 GBP
Retailer 9£5,063 GBP
Retailer 4£5,063 GBP
Retailer 5£5,946 GBP
Retailer 10£6,328 GBP
Retailer 3£6,691 GBP
Retailer 6£7,623 GBP
NZ Jewellers£9,173 GBP

43 data points across 10 retailers

14 retailers£4,584 GBP to £7,623 GBP

A
Cheapest Retailer
-
£4,584 GBP
A
Retailer 2
-
£4,783 GBP
View
A
Retailer 3
-
£4,954 GBP
View
A
Retailer 4
-
£5,063 GBP
View
Final sale: no returns
Retailer 5
-
£5,063 GBP
View
Price last confirmed 25 days ago
A
Retailer 6
-
£5,063 GBP
View
A
Retailer 7
-
£5,506 GBP
View
Retailer 8
-
£5,569 GBP
View
Price last confirmed 38 days ago
A
Retailer 9
-
£5,946 GBP
View
Retailer 10
-
£6,328 GBP
View
Price last confirmed 28 days ago
Retailer 11
-
£6,328 GBP
View
Price last confirmed 45 days ago
B+
Retailer 12
-
£6,691 GBP
View
B+
Retailer 13
-
£7,623 GBP
View
Most Expensive
NZ Jewellers
e1bb848c-c911-4ebd-b5ad-774c5073a61a · Sep 26
£9,173 GBP
$12,346 USD
View
Price last confirmed 40 days ago
13 more retailers have this diamond
Prices start from £4,584 GBPSave up to £3,039 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
1.53ct Round
£4,584 GBP