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Marquise|Natural|IGI

1.02ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 803673761

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803673761

Diamond specifications and retailer prices

From $1,273 AUD
As of November 6, 2026
Save $2,770 AUD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,043 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 803673761. Listed at 16 retailers as of November 5, 2026, with prices from $1,273 to $4,043, a $2,770 spread on the same certified stone. NZ Jewellers lists it at $4,043. 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
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 803673761
Dimensions9.29 × 5.41 × 3.47 mm
L/W Ratio1.72
Girdle conditionFaceted
Top View
9.29 mm5.41 mm1.02 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803673761
Side View
Table 61.0%Crown 39.3°Girdle: STK-THKPavilion 40.1°CuletDepth 64.1%

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: $4,043 AUD|Low: $1,273 AUD|High: $4,043 AUD|Avg: $1,975 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
November 6, 2026
Retailer 2$1,273 AUD
Retailer 4$1,594 AUD
Retailer 5$1,608 AUD
Retailer 3$1,658 AUD
Retailer 10$1,658 AUD
Retailer 12$1,722 AUD
Retailer 6$1,902 AUD
Retailer 11$1,912 AUD
Retailer 7$2,023 AUD
Retailer 9$2,310 AUD
Retailer 8$3,027 AUD
NZ Jewellers$4,043 AUD

27 data points across 12 retailers

16 retailers$1,273 AUD to $4,043 AUD

A
Cheapest Retailer
-
$1,273 AUD
Retailer 2
-
$1,506 AUD
View
Price last confirmed 95 days ago
B+
Retailer 3
-
$1,588 AUD
View
B+
Retailer 4
-
$1,594 AUD
View
B+
Retailer 5
-
$1,608 AUD
View
Retailer 6
-
$1,658 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,658 AUD
View
B+
Retailer 8
-
$1,722 AUD
View
B+
Retailer 9
-
$1,761 AUD
View
B+
Retailer 10
-
$1,853 AUD
View
B+
Retailer 11
-
$1,902 AUD
View
B+
Retailer 12
-
$1,912 AUD
View
B+
Retailer 13
-
$2,023 AUD
View
B+
Retailer 14
-
$2,310 AUD
View
B+
Retailer 15
-
$3,027 AUD
View
Most Expensive
B
NZ Jewellers
c45a6e9f-004b-484e-993a-3bee19c29f77 · Nov 5
$4,043 AUD
$2,778 USD
View
15 more retailers have this diamond
Prices start from $1,273 AUDSave up to $2,770 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
$1,273 AUD