Oval|Natural|GIA

0.30ct H SI1 Oval Natural Diamond

GD • H/SI1 • GIA 6555737898

Certificate GIA 6555737898

Diamond specifications and retailer prices

From £234 GBP
$313 USD
As of October 31, 2026
Save £310 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £896 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6555737898. Listed at 17 retailers as of October 29, 2026, with a 132% 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
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555737898
Dimensions3.67 × 5.12 × 2.41 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
3.67 mm5.12 mm0.30 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555737898
Side View
Table 57.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 65.7%

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: £473 GBP|Low: £261 GBP|High: £547 GBP|Avg: £373 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8£261 GBP
Retailer 2£300 GBP
Retailer 6£321 GBP
Retailer 9£347 GBP
Retailer 4£363 GBP
Retailer 7£375 GBP
Retailer 3£393 GBP
Retailer 1£473 GBP
Retailer 5£543 GBP

40 data points across 9 retailers

17 retailers£234 GBP to £543 GBP

B+
Cheapest Retailer
-
£234 GBP
$313 USD
B+
Retailer 2
-
£246 GBP
SGD 446 SGD
View
B+
Retailer 3
-
£252 GBP
$338 USD
View
B
Retailer 4
-
£261 GBP
$350 USD
View
B
Retailer 5
-
£270 GBP
$362 USD
View
B
Retailer 6
-
£300 GBP
View
B
Retailer 7
-
£315 GBP
$422 USD
View
B
Retailer 8
-
£321 GBP
View
B
Retailer 9
-
£331 GBP
$444 USD
View
B
Retailer 10
-
£343 GBP
$459 USD
View
B
Retailer 11
-
£347 GBP
$465 USD
View
B
Retailer 12
-
£363 GBP
ZAR 7,851 ZAR
View
Retailer 13
-
£375 GBP
A$772 AUD
View
Price last confirmed 28 days ago
B
Retailer 14
-
£393 GBP
€502 EUR
View
B
Retailer 15
-
£473 GBP
View
B
Retailer 16
-
£543 GBP
View
Most Expensive
NZ Jewellers
ba749afc-1575-4692-9759-02b2080b495a · Oct 30
£896 GBP
$1,201 USD
View
Price under review
16 more retailers have this diamond
Prices start from £234 GBPSave up to £310 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
£234 GBP