Marquise|Natural|GIA

1.00ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2556243794

Certificate GIA 2556243794

Diamond specifications and retailer prices

From $2,694 CAD
As of November 6, 2026
Save $3,623 CAD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,560 CAD at NZ Jewellers · As of September 30, 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 2556243794. Listed at 19 retailers as of November 4, 2026, with a 135% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556243794
Dimensions9.61 × 5.14 × 3.30 mm
L/W Ratio1.87
Top View
9.61 mm5.14 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556243794
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.3%

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 6
Current: $7,560 CAD|Low: $2,694 CAD|High: $7,560 CAD|Avg: $4,464 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
November 6, 2026
Retailer 2$2,694 CAD
Retailer 9$3,172 CAD
Retailer 11$3,336 CAD
Retailer 4$3,580 CAD
Retailer 3$3,784 CAD
Retailer 5$3,803 CAD
Retailer 12$4,051 CAD
Retailer 6$4,414 CAD
Retailer 8$4,514 CAD
Retailer 10$5,204 CAD
Retailer 7$6,317 CAD
NZ Jewellers$7,560 CAD

35 data points across 12 retailers

19 retailers$2,694 CAD to $6,317 CAD

A
Cheapest Retailer
-
$2,694 CAD
B+
Retailer 2
-
$3,172 CAD
View
B+
Retailer 3
-
$3,238 CAD
View
B+
Retailer 4
-
$3,301 CAD
View
B+
Retailer 5
-
$3,336 CAD
View
Final sale: no returns
B
Retailer 6
-
$3,580 CAD
View
Retailer 7
-
$3,616 CAD
View
Price last confirmed 45 days ago
Retailer 8
-
$3,616 CAD
View
Price last confirmed 25 days ago
Retailer 9
-
$3,616 CAD
View
Price last confirmed 29 days ago
B
Retailer 10
-
$3,803 CAD
View
Retailer 11
-
$4,051 CAD
View
Price last confirmed 30 days ago
B
Retailer 12
-
$4,158 CAD
View
Retailer 13
-
$4,173 CAD
View
Price last confirmed 45 days ago
Retailer 14
-
$4,173 CAD
View
Price last confirmed 28 days ago
B
Retailer 15
-
$4,414 CAD
View
B
Retailer 16
-
$4,514 CAD
View
Retailer 17
-
$5,204 CAD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$6,317 CAD
View
Most Expensive
NZ Jewellers
24ef520f-79b3-42a4-b61e-99c23dea28c3 · Sep 30
$7,560 CAD
$5,375 USD
View
Price last confirmed 37 days ago
18 more retailers have this diamond
Prices start from $2,694 CADSave up to $3,623 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
$2,694 CAD