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Round|Natural|IGI

1.53ct J I1 Round Natural Diamond

EX • J/I1 • IGI 547271863

Shape and cutting style on the report: Round brilliant

Certificate IGI 547271863

Diamond specifications and retailer prices

From £2,775 GBP
$3,718 USD
As of October 26, 2026
Save £780 GBP (22%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £5,494 GBP at NZ Jewellers · As of October 3, 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 J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 547271863. Listed at 3 retailers as of October 26, 2026, with a 28% 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
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 547271863
Dimensions7.39 × 7.42 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.39 mm7.42 mm1.53 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 547271863
Side View
Table 59.5%Crown 34.9°Girdle: MediumPavilion 40.3°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £3,555 GBP|Low: £1,559 GBP|High: £3,555 GBP|Avg: £2,861 GBP|+9.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 26, 2026
Retailer 5£1,559 GBP
Retailer 3£2,775 GBP
Retailer 2£3,154 GBP
Retailer 4£3,414 GBP
Retailer 1£3,555 GBP

6 data points across 5 retailers

3 retailers£2,775 GBP to £3,555 GBP

B+
Cheapest Retailer
-
£2,775 GBP
$3,718 USD
B
Retailer 2
-
£3,555 GBP
€4,536 EUR
View
Most Expensive
NZ Jewellers
c22cb3f5-6d00-4962-917f-32cd0b0bdaa5 · Oct 3
£5,494 GBP
$7,362 USD
View
Price last confirmed 29 days ago
2 more retailers have this diamond
Prices start from £2,775 GBPSave up to £780 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.

B+
1.53ct Round
£2,775 GBP