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Round|Natural|IGI

1.53ct J I1 Round Natural Diamond

EX • J/I1 • IGI 538278227

Shape and cutting style on the report: Round brilliant

Certificate IGI 538278227

Diamond specifications and retailer prices

From £1,804 GBP
$2,417 USD
As of November 1, 2026
Save £2,408 GBP (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,212 GBP at NZ Jewellers · As of October 30, 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 538278227. Listed at 7 retailers as of October 30, 2026, with prices from £1,804 to £4,212, a £2,408 spread on the same certified stone. NZ Jewellers lists it at £4,212. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.1°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 538278227
Dimensions7.25 × 7.29 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.25 mm7.29 mm1.53 ctJ / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 538278227
Side View
Table 54.5%Crown 36.1°GirdlePavilion 40.5°CuletDepth 63.6%

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: Nov 1
Current: £4,212 GBP|Low: £1,804 GBP|High: £4,212 GBP|Avg: £2,445 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£1,804 GBP
Retailer 4£2,015 GBP
Retailer 6£2,015 GBP
Retailer 5£2,093 GBP
Retailer 7£2,325 GBP
Retailer 8£2,398 GBP
Retailer 2£2,505 GBP
NZ Jewellers£4,212 GBP

20 data points across 8 retailers

7 retailers£1,804 GBP to £4,212 GBP

B+
Cheapest Retailer
-
£1,804 GBP
$2,417 USD
B+
Retailer 2
-
£2,015 GBP
$2,700 USD
View
B+
Retailer 3
-
£2,015 GBP
$2,700 USD
View
B+
Retailer 4
-
£2,093 GBP
$2,804 USD
View
B+
Retailer 5
-
£2,325 GBP
$3,115 USD
View
B+
Retailer 6
-
£2,505 GBP
€3,196 EUR
View
Most Expensive
C
NZ Jewellers
6956fb08-4c66-4563-a9d0-31f6e492a481 · Oct 30
£4,212 GBP
$5,644 USD
View
6 more retailers have this diamond
Prices start from £1,804 GBPSave up to £2,408 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
£1,804 GBP