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Marquise|Natural|GIA

0.30ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 2566641214

Certificate GIA 2566641214

Diamond specifications and retailer prices

From £154 GBP
As of November 4, 2026
Save £335 GBP (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £489 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded E 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 2566641214. Listed at 9 retailers as of November 2, 2026, with prices from £154 to £489, a £335 spread on the same certified stone. MOH London lists it at £489. 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

0.30
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566641214
Dimensions7.38 × 3.28 × 2.07 mm
L/W Ratio2.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
7.38 mm3.28 mm0.30 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566641214
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.1%

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 4
Current: £489 GBP|Low: £154 GBP|High: £506 GBP|Avg: £289 GBP|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£154 GBP
Retailer 8£195 GBP
Retailer 5£228 GBP
Retailer 6£247 GBP
Retailer 2£267 GBP
Retailer 7£290 GBP
Retailer 9£308 GBP
Retailer 3£427 GBP
MOH London£489 GBP

20 data points across 9 retailers

9 retailers£154 GBP to £489 GBP

A
Cheapest Retailer
-
£154 GBP
A
Retailer 2
-
£195 GBP
View
Final sale: no returns
A
Retailer 3
-
£228 GBP
View
A
Retailer 4
-
£247 GBP
View
A
Retailer 5
-
£267 GBP
View
B+
Retailer 6
-
£290 GBP
View
B+
Retailer 7
-
£308 GBP
View
B
Retailer 8
-
£427 GBP
View
Most Expensive
B
MOH London
98337BA54 · Nov 2
£489 GBP
View
8 more retailers have this diamond
Prices start from £154 GBPSave up to £335 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
0.30ct Marquise
£154 GBP