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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 5553742617

Certificate GIA 5553742617

Diamond specifications and retailer prices

From $2,723 AUD
As of November 3, 2026
Save $3,920 AUD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,643 AUD at NZ Jewellers · As of November 3, 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 5553742617. Listed at 5 retailers as of November 3, 2026, with prices from $2,723 to $6,643, a $3,920 spread on the same certified stone. NZ Jewellers lists it at $6,643. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553742617
Dimensions9.80 × 4.89 × 3.07 mm
L/W Ratio2.00
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
9.80 mm4.89 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553742617
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 62.9%

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 3
Current: $6,643 AUD|Low: $2,723 AUD|High: $6,845 AUD|Avg: $3,873 AUD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$2,723 AUD
Retailer 2$2,800 AUD
Retailer 6$2,811 AUD
Retailer 5$2,848 AUD
Retailer 3$4,771 AUD
NZ Jewellers$6,643 AUD

29 data points across 6 retailers

5 retailers$2,723 AUD to $6,643 AUD

A
Cheapest Retailer
-
$2,723 AUD
A
Retailer 2
-
$2,800 AUD
View
B+
Retailer 3
-
$2,848 AUD
View
B
Retailer 4
-
$4,771 AUD
View
Most Expensive
B
NZ Jewellers
027db200-effb-4b16-ba56-876332b206e1 · Nov 3
$6,643 AUD
$4,650 USD
View
4 more retailers have this diamond
Prices start from $2,723 AUDSave up to $3,920 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
$2,723 AUD