Oval|Natural|GIA

0.30ct H SI1 Oval Natural Diamond

GD • H/SI1 • GIA 2558295766

Certificate GIA 2558295766

Diamond specifications and retailer prices

From £256 GBP
$343 USD
As of October 31, 2026
Save £396 GBP (61%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £868 GBP at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2558295766. Listed at 20 retailers as of October 31, 2026, with a 155% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.30
Carat
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558295766
Dimensions5.34 × 3.72 × 2.39 mm
L/W Ratio1.44
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
5.34 mm3.72 mm0.30 ctH / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2558295766
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.3%

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: £570 GBP|Low: £268 GBP|High: £659 GBP|Avg: £455 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7£268 GBP
Retailer 9£285 GBP
Retailer 2£367 GBP
Retailer 6£386 GBP
Retailer 5£437 GBP
Retailer 8£452 GBP
Retailer 4£515 GBP
Retailer 1£570 GBP
Retailer 3£651 GBP

37 data points across 9 retailers

20 retailers£256 GBP to £651 GBP

B+
Cheapest Retailer
-
£256 GBP
$343 USD
B
Retailer 2
-
£268 GBP
$360 USD
View
B
Retailer 3
-
£275 GBP
$369 USD
View
B
Retailer 4
-
£279 GBP
$375 USD
View
B
Retailer 5
-
£285 GBP
$382 USD
View
B
Retailer 6
-
£325 GBP
$437 USD
View
B
Retailer 7
-
£334 GBP
$448 USD
View
B
Retailer 8
-
£344 GBP
$461 USD
View
B
Retailer 9
-
£344 GBP
$462 USD
View
B
Retailer 10
-
£345 GBP
$463 USD
View
B
Retailer 11
-
£367 GBP
View
B
Retailer 12
-
£379 GBP
$508 USD
View
B
Retailer 13
-
£386 GBP
View
B
Retailer 14
-
£437 GBP
ZAR 9,475 ZAR
View
Retailer 15
-
£452 GBP
A$932 AUD
View
Price last confirmed 29 days ago
C
Retailer 16
-
£515 GBP
€658 EUR
View
C
Retailer 17
-
£570 GBP
View
C
Retailer 18
-
£651 GBP
View
Most Expensive
Diamond Exchange Canada
1962131995 · Oct 30
£868 GBP
CA$1,617 CAD
View
Price under review
18 more retailers have this diamond
Prices start from £256 GBPSave up to £396 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
£256 GBP