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Oval|Natural|GIA

0.30ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2566733551

Certificate GIA 2566733551

Diamond specifications and retailer prices

From €251 EUR
$280 USD
As of October 28, 2026
Save €222 EUR (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €473 EUR 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 J 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 2566733551. Listed at 7 retailers as of October 28, 2026, with prices from €251 to €473, a €222 spread on the same certified stone. MOH London lists it at €473. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566733551
Dimensions5.18 × 3.71 × 2.22 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Feather
Top View
5.18 mm3.71 mm0.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566733551
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.9%

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 28
Current: €473 EUR|Low: €251 EUR|High: €473 EUR|Avg: €348 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4€251 EUR
Retailer 2€310 EUR
Retailer 6€312 EUR
Retailer 5€351 EUR
Retailer 3€358 EUR
MOH London€473 EUR

9 data points across 6 retailers

7 retailers€251 EUR to €473 EUR

B+
Cheapest Retailer
-
€251 EUR
$280 USD
B+
Retailer 2
-
€256 EUR
A$440 AUD
View
B
Retailer 3
-
€310 EUR
£273 GBP
View
B+
Retailer 4
-
€312 EUR
$349 USD
View
B
Retailer 5
-
€351 EUR
$392 USD
View
B+
Retailer 6
-
€358 EUR
View
Most Expensive
B
MOH London
33ED3C3E3 · Nov 1
€473 EUR
£416 GBP
View
6 more retailers have this diamond
Prices start from €251 EURSave up to €222 EUR

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
€251 EUR