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Marquise|Natural|GIA

3.03ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 2556176462

Certificate GIA 2556176462

Diamond specifications and retailer prices

From £19,568 GBP
As of November 4, 2026
Save £13,580 GBP (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £33,148 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural marquise diamond

This 3.03ct natural marquise sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556176462. Listed at 9 retailers as of November 4, 2026, with prices from £19,568 to £33,148, a £13,580 spread on the same certified stone. MOH London lists it at £33,148. 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

3.03
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556176462
Dimensions13.79 × 7.45 × 4.97 mm
L/W Ratio1.85
Top View
13.79 mm7.45 mm3.03 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556176462
Side View
Table 58.0%CrownGirdlePavilionCulet: NDepth 66.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £33,148 GBP|Low: £21,648 GBP|High: £33,637 GBP|Avg: £26,330 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£21,648 GBP
Retailer 6£22,168 GBP
Retailer 7£22,346 GBP
Retailer 5£23,055 GBP
Retailer 3£23,942 GBP
Retailer 8£25,814 GBP
Retailer 2£28,552 GBP
MOH London£33,148 GBP

43 data points across 8 retailers

9 retailers£19,568 GBP to £33,148 GBP

B+
Cheapest Retailer
-
£19,568 GBP
B+
Retailer 2
-
£21,648 GBP
View
B
Retailer 3
-
£22,168 GBP
View
B
Retailer 4
-
£22,346 GBP
View
B
Retailer 5
-
£23,055 GBP
View
B
Retailer 6
-
£23,942 GBP
View
B
Retailer 7
-
£25,814 GBP
View
B
Retailer 8
-
£28,552 GBP
View
Most Expensive
B
MOH London
E792C01CD · Nov 4
£33,148 GBP
View
8 more retailers have this diamond
Prices start from £19,568 GBPSave up to £13,580 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.

B+
3.03ct Marquise
£19,568 GBP