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Marquise|Natural|GIA

0.30ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 6565586232

Certificate GIA 6565586232

Diamond specifications and retailer prices

From £155 GBP
₹19,752 INR
As of November 1, 2026
Save £338 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £493 GBP at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565586232. Listed at 13 retailers as of November 1, 2026, with prices from £155 to £493, a £338 spread on the same certified stone. MOH London lists it at £493. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565586232
Dimensions6.62 × 3.50 × 2.10 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
6.62 mm3.50 mm0.30 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565586232
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.1%

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 1
Current: £493 GBP|Low: £155 GBP|High: £508 GBP|Avg: £289 GBP|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8£155 GBP
Retailer 4£179 GBP
Retailer 13£197 GBP
Retailer 5£237 GBP
Retailer 9£247 GBP
Retailer 7£272 GBP
Retailer 11£293 GBP
Retailer 12£311 GBP
Retailer 3£315 GBP
Retailer 10£331 GBP
Retailer 6£357 GBP
Retailer 2£432 GBP
MOH London£493 GBP

20 data points across 13 retailers

13 retailers£155 GBP to £493 GBP

A
Cheapest Retailer
-
£155 GBP
₹19,752 INR
A
Retailer 2
-
£179 GBP
$240 USD
View
A
Retailer 3
-
£197 GBP
$264 USD
View
Final sale: no returns
B+
Retailer 4
-
£237 GBP
$318 USD
View
B+
Retailer 5
-
£247 GBP
$331 USD
View
B+
Retailer 6
-
£272 GBP
View
B
Retailer 7
-
£293 GBP
View
B+
Retailer 8
-
£311 GBP
$416 USD
View
B+
Retailer 9
-
£315 GBP
$423 USD
View
B
Retailer 10
-
£331 GBP
ZAR 7,162 ZAR
View
B
Retailer 11
-
£357 GBP
€456 EUR
View
B
Retailer 12
-
£432 GBP
View
Most Expensive
B
MOH London
66DBD114F · Nov 1
£493 GBP
View
12 more retailers have this diamond
Prices start from £155 GBPSave up to £338 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
£155 GBP