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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 £32,835 GBP
A$67,684 AUD
As of November 1, 2026
Save £20,514 GBP (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £53,349 GBP 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 £32,835 to £53,349, a £20,514 spread on the same certified stone. MOH London lists it at £53,349. 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
Colour
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: £53,349 GBP|Low: £32,835 GBP|High: £59,140 GBP|Avg: £41,294 GBP|-8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6£32,835 GBP
Retailer 5£34,564 GBP
Retailer 4£35,583 GBP
Retailer 7£36,875 GBP
Retailer 3£37,190 GBP
Retailer 2£41,435 GBP
MOH London£53,349 GBP

31 data points across 7 retailers

7 retailers£32,835 GBP to £53,349 GBP

A
Cheapest Retailer
-
£32,835 GBP
A$67,684 AUD
B+
Retailer 2
-
£34,564 GBP
$46,312 USD
View
Final sale: no returns
A
Retailer 3
-
£35,583 GBP
$47,677 USD
View
B+
Retailer 4
-
£36,875 GBP
$49,409 USD
View
B+
Retailer 5
-
£37,190 GBP
$49,830 USD
View
B+
Retailer 6
-
£41,435 GBP
€52,874 EUR
View
Most Expensive
B
MOH London
DF2D051CD · Nov 1
£53,349 GBP
View
6 more retailers have this diamond
Prices start from £32,835 GBPSave up to £20,514 GBP

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
£32,835 GBP