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Marquise|Natural|GIA

3.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6551879449

Certificate GIA 6551879449

Diamond specifications and retailer prices

From €39,379 EUR
A$67,684 AUD
As of November 1, 2026
Save €24,603 EUR (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €63,983 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3ct natural marquise diamond

This 3ct natural marquise sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551879449. Listed at 7 retailers as of November 1, 2026, with prices from €39,379 to €63,983, a €24,603 spread on the same certified stone. MOH London lists it at €63,983. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551879449
Dimensions14.24 × 7.54 × 4.47 mm
L/W Ratio1.89
Key to symbols
Crystal, Feather, Cavity, Indented Natural, Natural
Top View
14.24 mm7.54 mm3.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551879449
Side View
Table 62.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 59.2%

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: €63,983 EUR|Low: €39,379 EUR|High: €70,928 EUR|Avg: €49,636 EUR|-8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6€39,379 EUR
Retailer 5€41,453 EUR
Retailer 4€42,675 EUR
Retailer 7€44,225 EUR
Retailer 3€44,602 EUR
Retailer 2€49,709 EUR
MOH London€63,983 EUR

30 data points across 7 retailers

7 retailers€39,379 EUR to €63,983 EUR

A
Cheapest Retailer
-
€39,379 EUR
A$67,684 AUD
B+
Retailer 2
-
€41,453 EUR
$46,312 USD
View
Final sale: no returns
A
Retailer 3
-
€42,675 EUR
$47,677 USD
View
B+
Retailer 4
-
€44,225 EUR
$49,409 USD
View
B+
Retailer 5
-
€44,602 EUR
$49,830 USD
View
B+
Retailer 6
-
€49,709 EUR
View
Most Expensive
B
MOH London
DF2D051CD · Nov 1
€63,983 EUR
£56,285 GBP
View
6 more retailers have this diamond
Prices start from €39,379 EURSave up to €24,603 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.

A
3.00ct Marquise
€39,379 EUR