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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 $43,995 USD
A$67,684 AUD
As of October 31, 2026
Save $27,487 USD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $71,482 USD 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 October 31, 2026, with prices from $43,995 to $71,482, a $27,487 spread on the same certified stone. MOH London lists it at $71,482. 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: Oct 31
Current: $71,482 USD|Low: $43,995 USD|High: $79,242 USD|Avg: $55,453 USD|-8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$43,995 USD
Retailer 5$46,312 USD
Retailer 4$47,677 USD
Retailer 7$49,409 USD
Retailer 3$49,830 USD
Retailer 2$55,536 USD
MOH London$71,482 USD

30 data points across 7 retailers

7 retailers$43,995 USD to $71,482 USD

A
Cheapest Retailer
-
$43,995 USD
A$67,684 AUD
B+
Retailer 2
-
$46,312 USD
View
Final sale: no returns
A
Retailer 3
-
$47,677 USD
View
B+
Retailer 4
-
$49,409 USD
View
B+
Retailer 5
-
$49,830 USD
View
B+
Retailer 6
-
$55,536 USD
€52,891 EUR
View
Most Expensive
B
MOH London
DF2D051CD · Nov 1
$71,482 USD
£56,285 GBP
View
6 more retailers have this diamond
Prices start from $43,995 USDSave up to $27,487 USD

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
$43,995 USD