Round|Natural|IGI

1.55ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 642438804

Shape and cutting style on the report: Round brilliant

Certificate IGI 642438804

Diamond specifications and retailer prices

From $3,577 AUD
As of November 6, 2026
Save $4,365 AUD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,942 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 642438804. Listed at 14 retailers as of November 5, 2026, with prices from $3,577 to $7,942, a $4,365 spread on the same certified stone. NZ Jewellers lists it at $7,942. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 642438804
Dimensions7.36 × 7.40 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.40 mm1.55 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 642438804
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,577 AUD|Low: $3,577 AUD|High: $7,715 AUD|Avg: $5,134 AUD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$3,577 AUD
Retailer 7$4,086 AUD
Retailer 2$4,774 AUD
Retailer 3$5,278 AUD
Retailer 5$5,301 AUD
Retailer 4$5,564 AUD
Retailer 6$7,602 AUD

38 data points across 7 retailers

14 retailers$3,577 AUD to $7,942 AUD

A
Cheapest Retailer
-
$3,577 AUD
A
Retailer 2
-
$4,083 AUD
View
A
Retailer 3
-
$4,086 AUD
View
Retailer 4
-
$4,558 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$4,558 AUD
View
A
Retailer 6
-
$4,734 AUD
View
A
Retailer 7
-
$4,763 AUD
View
A
Retailer 8
-
$4,774 AUD
View
A
Retailer 9
-
$5,260 AUD
View
A
Retailer 10
-
$5,278 AUD
View
A
Retailer 11
-
$5,301 AUD
View
A
Retailer 12
-
$5,564 AUD
View
B+
Retailer 13
-
$7,602 AUD
View
Most Expensive
B+
NZ Jewellers
8fed3dbb-7999-41d5-8196-72f6bf7e71cf · Nov 5
$7,942 AUD
$5,560 USD
View
13 more retailers have this diamond
Prices start from $3,577 AUDSave up to $4,365 AUD

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
1.55ct Round
$3,577 AUD