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Marquise|Natural|GIA

0.34ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2556198817

Certificate GIA 2556198817

Diamond specifications and retailer prices

From £299 GBP
As of November 6, 2026
Save £244 GBP (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £543 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.34ct natural marquise diamond

This 0.34ct natural marquise sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556198817. Listed at 5 retailers as of November 2, 2026, with prices from £299 to £543, a £244 spread on the same certified stone. MOH London lists it at £543. 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

0.34
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556198817
Dimensions7.17 × 3.64 × 2.29 mm
L/W Ratio1.97
Key to symbols
Crystal
Top View
7.17 mm3.64 mm0.34 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556198817
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £543 GBP|Low: £285 GBP|High: £577 GBP|Avg: £392 GBP|-6.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£299 GBP
Retailer 5£299 GBP
Retailer 4£322 GBP
Retailer 3£440 GBP
MOH London£543 GBP

44 data points across 5 retailers

5 retailers£299 GBP to £543 GBP

A
Cheapest Retailer
-
£299 GBP
A
Retailer 2
-
£299 GBP
View
B+
Retailer 3
-
£322 GBP
View
B+
Retailer 4
-
£440 GBP
View
Most Expensive
B
MOH London
79F5AB021 · Nov 2
£543 GBP
View
4 more retailers have this diamond
Prices start from £299 GBPSave up to £244 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
0.34ct Marquise
£299 GBP