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Marquise|Natural|IGI

1.02ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 814631406

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 814631406

Diamond specifications and retailer prices

From $3,151 AUD
As of November 6, 2026
Save $4,142 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,293 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 814631406. Listed at 12 retailers as of November 5, 2026, with prices from $3,151 to $7,293, a $4,142 spread on the same certified stone. NZ Jewellers lists it at $7,293. 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

1.02
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35.5°
OriginNatural
Grading LabIGI
CertificateIGI 814631406
Dimensions10.31 × 5.29 × 2.98 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
10.31 mm5.29 mm1.02 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 814631406
Side View
Table 64.0%Crown 41.2°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 56.3%

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: $7,293 AUD|Low: $3,151 AUD|High: $7,293 AUD|Avg: $4,326 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$3,151 AUD
Retailer 2$3,384 AUD
Retailer 7$3,478 AUD
Retailer 9$3,489 AUD
Retailer 10$3,489 AUD
Retailer 8$3,649 AUD
Retailer 4$3,755 AUD
Retailer 3$4,331 AUD
Retailer 5$6,110 AUD
NZ Jewellers$7,293 AUD

43 data points across 10 retailers

12 retailers$3,151 AUD to $7,293 AUD

A
Cheapest Retailer
-
$3,151 AUD
A
Retailer 2
-
$3,384 AUD
View
B+
Retailer 3
-
$3,478 AUD
View
B+
Retailer 4
-
$3,489 AUD
View
Retailer 5
-
$3,489 AUD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$3,649 AUD
View
B+
Retailer 7
-
$3,691 AUD
View
B+
Retailer 8
-
$3,755 AUD
View
B+
Retailer 9
-
$4,026 AUD
View
B+
Retailer 10
-
$4,331 AUD
View
B
Retailer 11
-
$6,110 AUD
View
Most Expensive
C
NZ Jewellers
3eac5340-a13c-4096-af2b-684dc56942ad · Nov 5
$7,293 AUD
$5,011 USD
View
11 more retailers have this diamond
Prices start from $3,151 AUDSave up to $4,142 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
1.02ct Marquise
$3,151 AUD