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Marquise|Natural|IGI

1.00ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 705538600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 705538600

Diamond specifications and retailer prices

From $3,657 AUD
As of November 4, 2026
Save $4,878 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,535 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 705538600. Listed at 16 retailers as of November 4, 2026, with prices from $3,657 to $8,535, a $4,878 spread on the same certified stone. NZ Jewellers lists it at $8,535. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle38.8°
OriginNatural
Grading LabIGI
CertificateIGI 705538600
Dimensions10.08 × 5.34 × 3.23 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Top View
10.08 mm5.34 mm1.00 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 705538600
Side View
Table 56.0%Crown 34°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 60.5%

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 4
Current: $8,535 AUD|Low: $3,454 AUD|High: $8,712 AUD|Avg: $4,842 AUD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 4$3,657 AUD
Retailer 11$3,743 AUD
Retailer 12$3,768 AUD
Retailer 13$4,000 AUD
Retailer 6$4,083 AUD
Retailer 7$4,083 AUD
Retailer 14$4,240 AUD
Retailer 3$4,286 AUD
Retailer 8$4,398 AUD
Retailer 15$4,711 AUD
Retailer 10$4,760 AUD
Retailer 2$4,983 AUD
Retailer 5$5,877 AUD
Retailer 9$7,133 AUD
NZ Jewellers$8,535 AUD

44 data points across 15 retailers

16 retailers$3,657 AUD to $8,535 AUD

A
Cheapest Retailer
-
$3,657 AUD
A
Retailer 2
-
$3,743 AUD
View
A
Retailer 3
-
$3,768 AUD
View
Final sale: no returns
B+
Retailer 4
-
$4,000 AUD
View
A
Retailer 5
-
$4,083 AUD
View
Retailer 6
-
$4,083 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$4,240 AUD
View
A
Retailer 8
-
$4,286 AUD
View
A
Retailer 9
-
$4,398 AUD
View
B+
Retailer 10
-
$4,711 AUD
View
A
Retailer 11
-
$4,760 AUD
View
Retailer 12
-
$4,808 AUD
View
Price last confirmed 61 days ago
B+
Retailer 13
-
$4,983 AUD
View
B+
Retailer 14
-
$5,877 AUD
View
B
Retailer 15
-
$7,133 AUD
View
Most Expensive
B
NZ Jewellers
cb3822b6-35ba-4d99-8331-28e967cb7a45 · Nov 5
$8,535 AUD
$5,975 USD
View
15 more retailers have this diamond
Prices start from $3,657 AUDSave up to $4,878 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
$3,657 AUD