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Marquise|Natural|GIA

1.00ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 1548811201

Certificate GIA 1548811201

Diamond specifications and retailer prices

From $3,659 CAD
As of November 4, 2026
Save $4,195 CAD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,854 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded J 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 1548811201. Listed at 20 retailers as of November 4, 2026, with prices from $3,659 to $7,854, a $4,195 spread on the same certified stone. NZ Jewellers lists it at $7,854. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548811201
Dimensions10.08 × 5.19 × 3.14 mm
L/W Ratio1.94
Key to symbols
Feather, Cavity, Indented Natural
Top View
10.08 mm5.19 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548811201
Side View
Table 58.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,854 CAD|Low: $3,141 CAD|High: $7,854 CAD|Avg: $4,937 CAD
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
November 6, 2026
Retailer 3$3,659 CAD
Retailer 9$3,771 CAD
Retailer 5$3,994 CAD
Retailer 12$4,085 CAD
Retailer 13$4,085 CAD
Retailer 11$4,241 CAD
Retailer 6$4,665 CAD
Retailer 10$4,834 CAD
Retailer 2$4,938 CAD
Retailer 4$5,018 CAD
Retailer 7$5,503 CAD
Retailer 8$7,519 CAD
NZ Jewellers$7,854 CAD

46 data points across 13 retailers

20 retailers$3,659 CAD to $7,854 CAD

B+
Cheapest Retailer
-
$3,659 CAD
B
Retailer 2
-
$3,771 CAD
View
Final sale: no returns
B
Retailer 3
-
$3,836 CAD
View
B+
Retailer 4
-
$3,994 CAD
View
B
Retailer 5
-
$4,085 CAD
View
Retailer 6
-
$4,085 CAD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$4,241 CAD
View
Retailer 8
-
$4,496 CAD
View
Price last confirmed 66 days ago
B
Retailer 9
-
$4,651 CAD
View
B
Retailer 10
-
$4,651 CAD
View
B
Retailer 11
-
$4,665 CAD
View
B
Retailer 12
-
$4,714 CAD
View
B
Retailer 13
-
$4,804 CAD
View
Retailer 14
-
$4,834 CAD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$4,938 CAD
View
B
Retailer 16
-
$5,018 CAD
View
Retailer 17
-
$5,230 CAD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$5,503 CAD
View
B
Retailer 19
-
$7,519 CAD
View
Most Expensive
B
NZ Jewellers
f36cd918-2cfb-49aa-91f3-8c1954f56ac2 · Nov 5
$7,854 CAD
$5,624 USD
View
19 more retailers have this diamond
Prices start from $3,659 CADSave up to $4,195 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.

B+
1.00ct Marquise
$3,659 CAD