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Marquise|Natural|GIA

1.03ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 1558431023

Certificate GIA 1558431023

Diamond specifications and retailer prices

From $3,251 CAD
As of October 31, 2026
Save $4,282 CAD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,532 CAD 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 H 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 1558431023. Listed at 20 retailers as of October 31, 2026, with prices from $3,251 to $7,532, a $4,282 spread on the same certified stone. NZ Jewellers lists it at $7,532. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558431023
Dimensions10.04 × 5.28 × 3.37 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
10.04 mm5.28 mm1.03 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558431023
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.9%

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: Oct 31
Current: $7,532 CAD|Low: $3,242 CAD|High: $7,807 CAD|Avg: $4,726 CAD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 12$3,251 CAD
Retailer 7$3,871 CAD
Retailer 4$3,874 CAD
Retailer 15$3,875 CAD
Retailer 5$3,903 CAD
Retailer 2$4,193 CAD
Retailer 14$4,324 CAD
Retailer 8$4,467 CAD
Retailer 3$4,490 CAD
Retailer 6$4,524 CAD
Retailer 13$4,988 CAD
Retailer 10$5,060 CAD
Retailer 9$5,276 CAD
Retailer 11$7,229 CAD
NZ Jewellers$7,532 CAD

25 data points across 15 retailers

20 retailers$3,251 CAD to $7,532 CAD

A
Cheapest Retailer
-
$3,251 CAD
B+
Retailer 2
-
$3,871 CAD
View
A
Retailer 3
-
$3,874 CAD
View
A
Retailer 4
-
$3,875 CAD
View
B+
Retailer 5
-
$3,903 CAD
View
B+
Retailer 6
-
$4,193 CAD
View
Retailer 7
-
$4,324 CAD
View
Price last confirmed 41 days ago
Retailer 8
-
$4,324 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,324 CAD
View
B+
Retailer 10
-
$4,467 CAD
View
B+
Retailer 11
-
$4,490 CAD
View
B+
Retailer 12
-
$4,524 CAD
View
Retailer 13
-
$4,618 CAD
View
Price last confirmed 30 days ago
Retailer 14
-
$4,988 CAD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
$4,988 CAD
View
B
Retailer 16
-
$5,060 CAD
View
B+
Retailer 17
-
$5,276 CAD
View
B
Retailer 18
-
$7,229 CAD
View
Retailer 19
-
$7,532 CAD
View
Price last confirmed 42 days ago
Most Expensive
B
NZ Jewellers
4373f7b7-d4b0-48b8-a48e-58b472d3a21f · Nov 5
$7,532 CAD
$5,355 USD
View
19 more retailers have this diamond
Prices start from $3,251 CADSave up to $4,282 CAD

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
$3,251 CAD