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Round|Natural|IGI

1.53ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 538281796

Shape and cutting style on the report: Round brilliant

Certificate IGI 538281796

Diamond specifications and retailer prices

From $3,813 NZD
As of November 6, 2026
Save $4,658 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,138 NZD at NZ Jewellers · As of September 28, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 538281796. Listed at 17 retailers as of November 4, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 538281796
Dimensions7.29 × 7.25 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.29 mm7.25 mm1.53 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 538281796
Side View
Table 57.5%Crown 36.4°Girdle: ThickPavilion 40.8°Culet: NoneDepth 63.1%

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 6
Current: $4,342 NZD|Low: $3,813 NZD|High: $8,597 NZD|Avg: $5,614 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$3,813 NZD
Retailer 1$4,342 NZD
Retailer 9$4,475 NZD
Retailer 8$4,530 NZD
Retailer 3$5,193 NZD
Retailer 4$5,670 NZD
Retailer 6$5,919 NZD
Retailer 5$6,009 NZD
Retailer 7$8,471 NZD

38 data points across 9 retailers

17 retailers$3,813 NZD to $8,471 NZD

A
Cheapest Retailer
-
$3,813 NZD
A
Retailer 2
-
$4,342 NZD
View
A
Retailer 3
-
$4,475 NZD
View
Final sale: no returns
A
Retailer 4
-
$4,530 NZD
View
A
Retailer 5
-
$4,780 NZD
View
Retailer 6
-
$4,849 NZD
View
Price last confirmed 39 days ago
Retailer 7
-
$4,849 NZD
View
Price last confirmed 29 days ago
Retailer 8
-
$4,849 NZD
View
Price last confirmed 29 days ago
Retailer 9
-
$5,035 NZD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$5,103 NZD
View
A
Retailer 11
-
$5,193 NZD
View
Retailer 12
-
$5,596 NZD
View
Price last confirmed 38 days ago
A
Retailer 13
-
$5,670 NZD
View
A
Retailer 14
-
$5,919 NZD
View
A
Retailer 15
-
$6,009 NZD
View
B+
Retailer 16
-
$8,471 NZD
View
Most Expensive
NZ Jewellers
b39d16ec-9419-4d30-9bcc-9f8ba927fa31 · Sep 28
$10,138 NZD
$5,620 USD
View
Price last confirmed 39 days ago
16 more retailers have this diamond
Prices start from $3,813 NZDSave up to $4,658 NZD

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
$3,813 NZD