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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1553908245

Certificate GIA 1553908245

Diamond specifications and retailer prices

From $2,034 AUD
As of November 6, 2026
Save $4,630 AUD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,664 AUD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553908245. Listed at 13 retailers as of November 5, 2026, with prices from $2,034 to $6,664, a $4,630 spread on the same certified stone. NZ Jewellers lists it at $6,664. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553908245
Dimensions10.58 × 5.04 × 3.20 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
10.58 mm5.04 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553908245
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.4%

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: $2,034 AUD|Low: $2,034 AUD|High: $4,843 AUD|Avg: $3,125 AUD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$2,034 AUD
Retailer 5$2,760 AUD
Retailer 6$2,858 AUD
Retailer 2$2,948 AUD
Retailer 4$3,716 AUD
Retailer 3$4,773 AUD

40 data points across 6 retailers

13 retailers$2,034 AUD to $6,664 AUD

A
Cheapest Retailer
-
$2,034 AUD
B+
Retailer 2
-
$2,488 AUD
View
B+
Retailer 3
-
$2,733 AUD
View
Retailer 4
-
$2,733 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,760 AUD
View
B+
Retailer 6
-
$2,858 AUD
View
B+
Retailer 7
-
$2,928 AUD
View
B+
Retailer 8
-
$2,948 AUD
View
Retailer 9
-
$2,957 AUD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
$3,153 AUD
View
B+
Retailer 11
-
$3,716 AUD
View
B
Retailer 12
-
$4,773 AUD
View
Most Expensive
C
NZ Jewellers
9e959da4-4d1d-4868-9b49-37089f90edb1 · Nov 5
$6,664 AUD
$4,665 USD
View
12 more retailers have this diamond
Prices start from $2,034 AUDSave up to $4,630 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
$2,034 AUD