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Round|Natural|IGI

1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 798620813

Shape and cutting style on the report: Round brilliant

Certificate IGI 798620813

Diamond specifications and retailer prices

From $3,047 NZD
As of November 6, 2026
Save $3,660 NZD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,027 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 798620813. Listed at 11 retailers as of November 4, 2026, with a 120% 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

1.54
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 798620813
Dimensions7.46 × 7.49 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.46 mm7.49 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 798620813
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.3°CuletDepth 59.8%

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 6
Current: $3,047 NZD|Low: $3,047 NZD|High: $6,808 NZD|Avg: $4,444 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$3,047 NZD
Retailer 5$3,467 NZD
Retailer 4$3,696 NZD
Retailer 7$3,839 NZD
Retailer 6$4,089 NZD
Retailer 2$4,941 NZD
Retailer 8$5,026 NZD
Retailer 3$6,707 NZD

45 data points across 8 retailers

11 retailers$3,047 NZD to $6,707 NZD

A
Cheapest Retailer
-
$3,047 NZD
A
Retailer 2
-
$3,467 NZD
View
B+
Retailer 3
-
$3,696 NZD
View
Retailer 4
-
$3,839 NZD
View
Price last confirmed 39 days ago
Retailer 5
-
$3,839 NZD
View
Price last confirmed 29 days ago
Retailer 6
-
$4,017 NZD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$4,089 NZD
View
Retailer 8
-
$4,430 NZD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$4,941 NZD
View
B+
Retailer 10
-
$6,707 NZD
View
Most Expensive
NZ Jewellers
14625845-3d4b-49b2-bfb0-6f3a150ed403 · Sep 28
$8,027 NZD
$4,450 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from $3,047 NZDSave up to $3,660 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
1.54ct Round
$3,047 NZD