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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 €28,695 EUR
CA$44,701 CAD
As of October 30, 2026
Save €19,079 EUR (40%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €47,774 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €28,695 to €47,774, a €19,079 spread on the same certified stone. MOH London lists it at €47,774. 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

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: Oct 30
Current: €47,774 EUR|Low: €27,210 EUR|High: €48,092 EUR|Avg: €33,564 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5€27,210 EUR
Retailer 6€28,695 EUR
Retailer 4€30,134 EUR
Retailer 2€30,650 EUR
Retailer 8€33,430 EUR
Retailer 3€35,017 EUR
Retailer 7€35,584 EUR
MOH London€47,774 EUR

42 data points across 8 retailers

8 retailers€28,695 EUR to €47,774 EUR

B
Cheapest Retailer
-
€28,695 EUR
CA$44,701 CAD
Retailer 2
-
€30,134 EUR
A$51,997 AUD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
€30,650 EUR
£27,069 GBP
View
B
Retailer 4
-
€32,849 EUR
$36,843 USD
View
B
Retailer 5
-
€33,430 EUR
$37,495 USD
View
B
Retailer 6
-
€35,017 EUR
View
B
Retailer 7
-
€35,584 EUR
$39,911 USD
View
Most Expensive
B
MOH London
D1C839064 · Oct 29
€47,774 EUR
£42,192 GBP
View
7 more retailers have this diamond
Prices start from €28,695 EURSave up to €19,079 EUR

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
€28,695 EUR