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Marquise|Natural|GIA

1.01ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 1559004511

Certificate GIA 1559004511

Diamond specifications and retailer prices

From $2,708 CAD
As of November 2, 2026
Save $4,066 CAD (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,774 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct 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 1559004511. Listed at 8 retailers as of November 2, 2026, with prices from $2,708 to $6,774, a $4,066 spread on the same certified stone. NZ Jewellers lists it at $6,774. 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

1.01
Carat
I
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle42.17°
Pavilion angle40.84°
OriginNatural
Grading LabGIA
CertificateGIA 1559004511
Dimensions9.13 × 5.13 × 3.48 mm
L/W Ratio1.78
Girdle conditionVery Thick
Key to symbols
Crystal, Feather
Top View
9.13 mm5.13 mm1.01 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1559004511
Side View
Table 61.0%Crown 42.17°Girdle: Very ThickPavilion 40.84°Culet: NoneDepth 67.8%

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 2
Current: $6,774 CAD|Low: $2,708 CAD|High: $6,843 CAD|Avg: $3,695 CAD|+9.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$2,708 CAD
Retailer 7$2,776 CAD
Retailer 4$2,828 CAD
Retailer 5$2,905 CAD
Retailer 6$2,965 CAD
Retailer 9$3,003 CAD
Retailer 8$3,563 CAD
Retailer 3$4,864 CAD
NZ Jewellers$6,774 CAD

36 data points across 9 retailers

8 retailers$2,708 CAD to $6,774 CAD

A
Cheapest Retailer
-
$2,708 CAD
A
Retailer 2
-
$2,776 CAD
View
A
Retailer 3
-
$2,828 CAD
View
A
Retailer 4
-
$2,905 CAD
View
A
Retailer 5
-
$2,965 CAD
View
Retailer 6
-
$3,563 CAD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
$4,864 CAD
View
Most Expensive
B
NZ Jewellers
52a5c3ca-3245-41f7-813a-018c244f3885 · Nov 3
$6,774 CAD
$4,850 USD
View
7 more retailers have this diamond
Prices start from $2,708 CADSave up to $4,066 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
1.01ct Marquise
$2,708 CAD