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Marquise|Natural|GIA

1.00ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565660710

Certificate GIA 6565660710

Diamond specifications and retailer prices

From $3,451 CAD
HK$19,300 HKD
As of November 1, 2026
Save $4,623 CAD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,074 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct 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 6565660710. Listed at 12 retailers as of October 30, 2026, with prices from $3,451 to $8,074, a $4,623 spread on the same certified stone. NZ Jewellers lists it at $8,074. 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

1.00
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565660710
Dimensions10.11 × 5.14 × 3.25 mm
L/W Ratio1.97
Culet sizeNone
Key to symbols
Cloud, Crystal, Cavity, Feather, Needle
Top View
10.11 mm5.14 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565660710
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.3%

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 1
Current: $8,074 CAD|Low: $3,433 CAD|High: $8,074 CAD|Avg: $4,841 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$3,451 CAD
Retailer 2$3,482 CAD
Retailer 3$3,678 CAD
Retailer 5$4,293 CAD
Retailer 8$4,484 CAD
Retailer 4$4,520 CAD
Retailer 10$4,634 CAD
Retailer 9$4,812 CAD
Retailer 7$5,347 CAD
Retailer 11$7,792 CAD
NZ Jewellers$8,074 CAD

6 data points across 11 retailers

12 retailers$3,451 CAD to $8,074 CAD

A
Cheapest Retailer
-
$3,451 CAD
HK$19,300 HKD
A
Retailer 2
-
$3,482 CAD
₹237,422 INR
View
B+
Retailer 3
-
$3,678 CAD
$2,633 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,877 CAD
A$4,270 AUD
View
B+
Retailer 5
-
$4,293 CAD
$3,073 USD
View
B+
Retailer 6
-
$4,484 CAD
$3,210 USD
View
B+
Retailer 7
-
$4,520 CAD
£2,548 GBP
View
B+
Retailer 8
-
$4,634 CAD
$3,317 USD
View
B
Retailer 9
-
$4,812 CAD
$3,445 USD
View
B
Retailer 10
-
$5,347 CAD
$3,828 USD
View
B
Retailer 11
-
$7,792 CAD
£4,392 GBP
View
Most Expensive
B
NZ Jewellers
1c69537c-7e7d-4c62-b597-c9dff015eeb5 · Oct 30
$8,074 CAD
$5,780 USD
View
11 more retailers have this diamond
Prices start from $3,451 CADSave up to $4,623 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
1.00ct Marquise
$3,451 CAD