Marquise|Natural|GIA

0.30ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6542717769

Certificate GIA 6542717769

Diamond specifications and retailer prices

From £253 GBP
$339 USD
As of October 29, 2026
Save £335 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £588 GBP at MOH London · As of October 29, 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 6542717769. Listed at 15 retailers as of October 29, 2026, with prices from £253 to £588, a £335 spread on the same certified stone. MOH London lists it at £588. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542717769
Dimensions7.45 × 3.41 × 2.14 mm
L/W Ratio2.18
Top View
7.45 mm3.41 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542717769
Side View
Table 60.0%CrownGirdlePavilionCulet: NDepth 62.9%

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: Oct 29
Current: £588 GBP|Low: £240 GBP|High: £971 GBP|Avg: £417 GBP|+0.2%
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
Retailer 14
October 30, 2026
Retailer 4£240 GBP
Retailer 11£253 GBP
Retailer 10£272 GBP
Retailer 9£283 GBP
Retailer 8£327 GBP
Retailer 3£341 GBP
Retailer 13£347 GBP
Retailer 2£393 GBP
Retailer 6£396 GBP
Retailer 5£406 GBP
Retailer 12£470 GBP
Retailer 7£514 GBP
MOH London£588 GBP
Retailer 14£971 GBP

31 data points across 14 retailers

15 retailers£253 GBP to £588 GBP

Retailer 1
-
£240 GBP
$321 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
£253 GBP
$339 USD
View
B
Retailer 3
-
£272 GBP
$365 USD
View
B
Retailer 4
-
£283 GBP
$379 USD
View
B
Retailer 5
-
£327 GBP
View
B
Retailer 6
-
£341 GBP
$457 USD
View
B
Retailer 7
-
£347 GBP
View
B
Retailer 8
-
£368 GBP
$493 USD
View
B
Retailer 9
-
£393 GBP
ZAR 8,500 ZAR
View
B
Retailer 10
-
£396 GBP
$530 USD
View
Retailer 11
-
£406 GBP
A$836 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
£470 GBP
€600 EUR
View
B
Retailer 13
-
£514 GBP
View
Most Expensive
B
MOH London
153A562BD · Oct 29
£588 GBP
View
13 more retailers have this diamond
Prices start from £253 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.

B+
0.30ct Marquise
£253 GBP