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Marquise|Natural|IGI

1.03ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 835674071

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 835674071

Diamond specifications and retailer prices

From $2,600 AUD
As of November 4, 2026
Save $3,944 AUD (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,544 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 835674071. Listed at 9 retailers as of October 30, 2026, with prices from $2,600 to $6,544, a $3,944 spread on the same certified stone. NZ Jewellers lists it at $6,544. 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

1.03
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 835674071
Dimensions10.04 × 5.31 × 3.39 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
10.04 mm5.31 mm1.03 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateIGI 835674071
Side View
Table 57.0%Crown 32°Girdle: STK-VTKPavilion 40.7°Culet: NoneDepth 63.8%

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 4
Current: $6,544 AUD|Low: $2,600 AUD|High: $6,544 AUD|Avg: $3,565 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$2,600 AUD
Retailer 3$2,624 AUD
Retailer 7$2,683 AUD
Retailer 5$2,807 AUD
Retailer 9$2,983 AUD
Retailer 6$2,986 AUD
Retailer 2$3,630 AUD
Retailer 4$4,707 AUD
NZ Jewellers$6,544 AUD

25 data points across 9 retailers

9 retailers$2,600 AUD to $6,544 AUD

A
Cheapest Retailer
-
$2,600 AUD
A
Retailer 2
-
$2,624 AUD
View
Retailer 3
-
$2,683 AUD
View
Price last confirmed 10 days ago
Retailer 4
-
$2,807 AUD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$2,983 AUD
View
B+
Retailer 6
-
$2,986 AUD
View
B+
Retailer 7
-
$3,630 AUD
View
Retailer 8
-
$4,707 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
c3ee1628-38f3-4681-b824-775ba5560e1b · Oct 30
$6,544 AUD
$4,581 USD
View
8 more retailers have this diamond
Prices start from $2,600 AUDSave up to $3,944 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
1.03ct Marquise
$2,600 AUD