Oval|Lab Grown|UNKNOWN

0.30ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • UNKNOWN 35548548

Certificate UNKNOWN 35548548

Diamond specifications and retailer prices

From $233 AUD
$164 USD
As of October 29, 2026
Save $288 AUD (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $929 AUD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.3ct lab-grown oval diamond

This 0.3ct lab-grown oval sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 35548548. Listed at 5 retailers as of October 28, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 35548548
Dimensions5.20 × 3.81 × 2.33 mm
L/W Ratio1.36
Top View
5.20 mm3.81 mm0.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 35548548
Side View
Table 60.3%CrownGirdlePavilionCuletDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $233 AUD|Low: $223 AUD|High: $521 AUD|Avg: $351 AUD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1$233 AUD
Retailer 2$289 AUD
Retailer 4$289 AUD
Retailer 3$521 AUD

5 data points across 4 retailers

5 retailers$233 AUD to $521 AUD

A
Cheapest Retailer
-
$233 AUD
$164 USD
B+
Retailer 2
-
$270 AUD
$190 USD
View
B+
Retailer 3
-
$289 AUD
$203 USD
View
C
Retailer 4
-
$521 AUD
$366 USD
View
Most Expensive
C
NZ Jewellers
463a61f8-9209-4e9d-ba54-7f4c1502561a · Oct 28
$929 AUD
$653 USD
View
Price under review
4 more retailers have this diamond
Prices start from $233 AUDSave up to $288 AUD

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.

A
0.30ct Oval
$233 AUD