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Marquise|Natural|GIA

3.00ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6542178158

Certificate GIA 6542178158

Diamond specifications and retailer prices

From $44,948 CAD
As of November 5, 2026
Save $29,289 CAD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $74,237 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 3ct natural marquise diamond

This 3ct natural marquise sits in the three to five 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 6542178158. Listed at 8 retailers as of November 4, 2026, with prices from $44,948 to $74,237, a $29,289 spread on the same certified stone. MOH London lists it at $74,237. 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

3.00
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542178158
Dimensions18.81 × 7.01 × 4.02 mm
L/W Ratio2.68
Top View
18.81 mm7.01 mm3.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542178158
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 57.3%

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 5
Current: $74,237 CAD|Low: $42,623 CAD|High: $75,334 CAD|Avg: $53,646 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5$42,623 CAD
Retailer 4$47,202 CAD
Retailer 3$47,539 CAD
Retailer 2$54,530 CAD
MOH London$74,237 CAD

45 data points across 5 retailers

8 retailers$44,948 CAD to $74,237 CAD

B
Cheapest Retailer
-
$44,948 CAD
Retailer 2
-
$47,202 CAD
View
Price last confirmed 33 days ago
B+
Retailer 3
-
$47,539 CAD
View
B
Retailer 4
-
$51,455 CAD
View
B
Retailer 5
-
$52,366 CAD
View
B
Retailer 6
-
$54,530 CAD
View
B
Retailer 7
-
$55,740 CAD
View
Most Expensive
B
MOH London
D1C839064 · Nov 4
$74,237 CAD
£41,855 GBP
View
7 more retailers have this diamond
Prices start from $44,948 CADSave up to $29,289 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+
3.00ct Marquise
$44,948 CAD