Oval|Natural|GIA

0.30ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 5241070624

Certificate GIA 5241070624

Diamond specifications and retailer prices

From £223 GBP
$299 USD
As of October 31, 2026
Save £292 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £515 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.3ct natural oval diamond

This 0.3ct natural oval 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 5241070624. Listed at 17 retailers as of October 31, 2026, with prices from £223 to £515, a £292 spread on the same certified stone. MOH London lists it at £515. 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
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5241070624
Dimensions5.25 × 3.78 × 2.42 mm
L/W Ratio1.39
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.25 mm3.78 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5241070624
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £515 GBP|Low: £209 GBP|High: £1,009 GBP|Avg: £356 GBP|-1.1%
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 14£209 GBP
Retailer 17£223 GBP
Retailer 5£235 GBP
Retailer 16£240 GBP
Retailer 15£249 GBP
Retailer 6£257 GBP
Retailer 10£282 GBP
Retailer 3£300 GBP
Retailer 13£305 GBP
Retailer 9£328 GBP
Retailer 12£345 GBP
Retailer 8£348 GBP
Retailer 7£353 GBP
Retailer 11£377 GBP
Retailer 2£451 GBP
MOH London£515 GBP
Retailer 4£1,009 GBP

35 data points across 17 retailers

17 retailers£223 GBP to £515 GBP

Retailer 1
-
£209 GBP
$280 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
£223 GBP
$299 USD
View
B+
Retailer 3
-
£235 GBP
SGD 425 SGD
View
B+
Retailer 4
-
£240 GBP
$321 USD
View
B+
Retailer 5
-
£249 GBP
$333 USD
View
B+
Retailer 6
-
£257 GBP
$344 USD
View
B+
Retailer 7
-
£282 GBP
View
B
Retailer 8
-
£300 GBP
$402 USD
View
B+
Retailer 9
-
£305 GBP
View
B
Retailer 10
-
£328 GBP
$439 USD
View
B
Retailer 11
-
£345 GBP
ZAR 7,476 ZAR
View
B
Retailer 12
-
£348 GBP
$466 USD
View
Retailer 13
-
£353 GBP
A$727 AUD
View
Price last confirmed 33 days ago
B
Retailer 14
-
£377 GBP
€481 EUR
View
B
Retailer 15
-
£451 GBP
View
Most Expensive
B
MOH London
EB87E7D60 · Nov 1
£515 GBP
View
15 more retailers have this diamond
Prices start from £223 GBPSave up to £292 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 Oval
£223 GBP