Marquise|Natural|IGI

1.00ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 743559061

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743559061

Diamond specifications and retailer prices

From $1,527 AUD
As of November 6, 2026
Save $3,231 AUD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,758 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559061. Listed at 15 retailers as of November 5, 2026, with prices from $1,527 to $4,758, a $3,231 spread on the same certified stone. NZ Jewellers lists it at $4,758. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle40.3°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 743559061
Dimensions10.92 × 4.87 × 3.13 mm
L/W Ratio2.24
Girdle conditionFaceted
Top View
10.92 mm4.87 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 743559061
Side View
Table 60.0%Crown 40.3°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 64.3%

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: $4,758 AUD|Low: $1,527 AUD|High: $4,758 AUD|Avg: $2,306 AUD
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
November 6, 2026
Retailer 2$1,527 AUD
Retailer 5$1,758 AUD
Retailer 8$1,761 AUD
Retailer 6$1,800 AUD
Retailer 11$1,840 AUD
Retailer 7$1,918 AUD
Retailer 3$1,950 AUD
Retailer 12$1,950 AUD
Retailer 13$2,040 AUD
Retailer 4$2,068 AUD
Retailer 14$2,252 AUD
Retailer 9$2,666 AUD
Retailer 10$3,572 AUD
NZ Jewellers$4,758 AUD

29 data points across 14 retailers

15 retailers$1,527 AUD to $4,758 AUD

A
Cheapest Retailer
-
$1,527 AUD
A
Retailer 2
-
$1,758 AUD
View
A
Retailer 3
-
$1,761 AUD
View
B+
Retailer 4
-
$1,800 AUD
View
Final sale: no returns
A
Retailer 5
-
$1,840 AUD
View
A
Retailer 6
-
$1,918 AUD
View
A
Retailer 7
-
$1,950 AUD
View
Retailer 8
-
$1,950 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,040 AUD
View
A
Retailer 10
-
$2,068 AUD
View
B+
Retailer 11
-
$2,147 AUD
View
A
Retailer 12
-
$2,252 AUD
View
B+
Retailer 13
-
$2,666 AUD
View
B+
Retailer 14
-
$3,572 AUD
View
Most Expensive
B
NZ Jewellers
63bc1583-f74d-44b3-b941-6e7f44169eb7 · Nov 5
$4,758 AUD
$3,269 USD
View
14 more retailers have this diamond
Prices start from $1,527 AUDSave up to $3,231 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
$1,527 AUD