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Marquise|Natural|IGI

1.00ct J VS1 Marquise Natural Diamond

EX • J/VS1 • IGI 675587264

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 675587264

Diamond specifications and retailer prices

From $2,147 AUD
As of November 6, 2026
Save $2,762 AUD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,852 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 675587264. Listed at 14 retailers as of November 4, 2026, with a 129% 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

1.00
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 675587264
Dimensions11.27 × 5.16 × 3.05 mm
L/W Ratio2.18
Girdle conditionFaceted
Culet sizePointed
Top View
11.27 mm5.16 mm1.00 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 675587264
Side View
Table 59.0%Crown 32.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.1%

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: $2,147 AUD|Low: $2,147 AUD|High: $4,980 AUD|Avg: $3,238 AUD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$2,147 AUD
Retailer 5$2,511 AUD
Retailer 7$2,592 AUD
Retailer 2$3,084 AUD
Retailer 3$3,429 AUD
Retailer 6$3,682 AUD
Retailer 4$4,909 AUD

41 data points across 7 retailers

14 retailers$2,147 AUD to $4,909 AUD

A
Cheapest Retailer
-
$2,147 AUD
A
Retailer 2
-
$2,511 AUD
View
A
Retailer 3
-
$2,537 AUD
View
A
Retailer 4
-
$2,592 AUD
View
Final sale: no returns
Retailer 5
-
$2,809 AUD
View
Price last confirmed 36 days ago
A
Retailer 6
-
$2,874 AUD
View
Retailer 7
-
$2,938 AUD
View
Price last confirmed 36 days ago
A
Retailer 8
-
$3,010 AUD
View
A
Retailer 9
-
$3,084 AUD
View
Retailer 10
-
$3,241 AUD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$3,429 AUD
View
B+
Retailer 12
-
$3,682 AUD
View
B+
Retailer 13
-
$4,909 AUD
View
Most Expensive
NZ Jewellers
7e0e3dce-3030-45a4-8891-031ad158ff87 · Sep 30
$6,852 AUD
$4,708 USD
View
Price last confirmed 37 days ago
13 more retailers have this diamond
Prices start from $2,147 AUDSave up to $2,762 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
1.00ct Marquise
$2,147 AUD