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Marquise|Natural|GIA

1.03ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2554426093

Certificate GIA 2554426093

Diamond specifications and retailer prices

From $2,821 AUD
As of November 5, 2026
Save $3,710 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,530 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554426093. Listed at 13 retailers as of November 5, 2026, with prices from $2,821 to $6,530, a $3,710 spread on the same certified stone. NZ Jewellers lists it at $6,530. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554426093
Dimensions9.70 × 5.38 × 3.38 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
9.70 mm5.38 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554426093
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.8%

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 5
Current: $6,530 AUD|Low: $2,821 AUD|High: $6,833 AUD|Avg: $3,738 AUD|-4.4%
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 11$2,821 AUD
Retailer 2$3,030 AUD
Retailer 3$3,104 AUD
Retailer 12$3,123 AUD
Retailer 8$3,151 AUD
Retailer 4$3,160 AUD
Retailer 9$3,267 AUD
Retailer 5$3,375 AUD
Retailer 6$3,393 AUD
Retailer 10$3,604 AUD
Retailer 7$5,458 AUD
NZ Jewellers$6,530 AUD

31 data points across 12 retailers

13 retailers$2,821 AUD to $6,530 AUD

A
Cheapest Retailer
-
$2,821 AUD
A
Retailer 2
-
$3,030 AUD
View
A
Retailer 3
-
$3,104 AUD
View
A
Retailer 4
-
$3,123 AUD
View
A
Retailer 5
-
$3,151 AUD
View
Retailer 6
-
$3,160 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$3,267 AUD
View
A
Retailer 8
-
$3,375 AUD
View
A
Retailer 9
-
$3,393 AUD
View
A
Retailer 10
-
$3,604 AUD
View
Retailer 11
-
$4,063 AUD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
$5,458 AUD
View
Most Expensive
B
NZ Jewellers
79f77207-86d8-4b91-b4d2-81c3930980de · Nov 5
$6,530 AUD
$4,487 USD
View
12 more retailers have this diamond
Prices start from $2,821 AUDSave up to $3,710 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
$2,821 AUD