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Round|Lab Grown|IGI

0.30ct E SI1 Round Lab Grown Diamond

GD • E/SI1 • IGI LG480168831

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480168831

Diamond specifications and retailer prices

From $248 AUD
$174 USD
As of October 29, 2026
Save $1,199 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,446 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.3ct lab-grown round diamond

This 0.3ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG480168831 or 480168831. Listed at 11 retailers as of October 29, 2026, with prices from $248 to $1,446, a $1,199 spread on the same certified stone. MOH London lists it at $1,446. 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
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480168831
Dimensions4.42 × 4.38 × 2.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeSmall
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.42 mm4.38 mm0.30 ctE / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG480168831
Side View
Table 61.0%Crown 29.3°Girdle: MED-STKPavilion 39.8°Culet: SmallDepth 56.5%

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 29
Current: $1,446 AUD|Low: $148 AUD|High: $1,457 AUD|Avg: $488 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$148 AUD
Retailer 4$248 AUD
Retailer 8$288 AUD
Retailer 5$299 AUD
Retailer 6$307 AUD
Retailer 7$549 AUD
Retailer 2$550 AUD
Retailer 3$628 AUD
MOH London$1,446 AUD

42 data points across 9 retailers

11 retailers$248 AUD to $1,446 AUD

B+
Cheapest Retailer
-
$248 AUD
$174 USD
B+
Retailer 2
-
$288 AUD
$202 USD
View
B+
Retailer 3
-
$299 AUD
$210 USD
View
B
Retailer 4
-
$307 AUD
$216 USD
View
B
Retailer 5
-
$307 AUD
$216 USD
View
B
Retailer 6
-
$549 AUD
$386 USD
View
B
Retailer 7
-
$550 AUD
£304 GBP
View
B
Retailer 8
-
$628 AUD
€420 EUR
View
C
Retailer 9
-
$716 AUD
£396 GBP
View
C
Retailer 10
-
$989 AUD
$695 USD
View
Most Expensive
C
MOH London
LG480168831 · Oct 29
$1,446 AUD
£800 GBP
View
10 more retailers have this diamond
Prices start from $248 AUDSave up to $1,199 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.

B+
0.30ct Round
$248 AUD