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0.30ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG459192727

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459192727

Diamond specifications and retailer prices

From $310 NZD
$174 USD
As of October 29, 2026
Save $1,499 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,809 NZD 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 very-good cut grade and certified by IGI LG459192727 or 459192727. Listed at 11 retailers as of October 29, 2026, with prices from $310 to $1,809, a $1,499 spread on the same certified stone. MOH London lists it at $1,809. 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
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459192727
Dimensions4.27 × 4.36 × 2.55 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeNone
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
4.27 mm4.36 mm0.30 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459192727
Side View
Table 63.0%Crown 33.8°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 59.2%

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: $1,809 NZD|Low: $297 NZD|High: $1,823 NZD|Avg: $639 NZD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$310 NZD
Retailer 8$360 NZD
Retailer 5$374 NZD
Retailer 6$385 NZD
Retailer 9$518 NZD
Retailer 7$687 NZD
Retailer 2$688 NZD
Retailer 3$785 NZD
MOH London$1,809 NZD

43 data points across 9 retailers

11 retailers$310 NZD to $1,809 NZD

A
Cheapest Retailer
-
$310 NZD
$174 USD
B+
Retailer 2
-
$360 NZD
$202 USD
View
B+
Retailer 3
-
$374 NZD
$210 USD
View
B+
Retailer 4
-
$385 NZD
$216 USD
View
B+
Retailer 5
-
$385 NZD
$216 USD
View
B
Retailer 6
-
$687 NZD
$386 USD
View
B
Retailer 7
-
$688 NZD
£304 GBP
View
B
Retailer 8
-
$785 NZD
€420 EUR
View
B
Retailer 9
-
$895 NZD
£396 GBP
View
C
Retailer 10
-
$1,237 NZD
$695 USD
View
Most Expensive
B
MOH London
LG459192727 · Oct 29
$1,809 NZD
£800 GBP
View
10 more retailers have this diamond
Prices start from $310 NZDSave up to $1,499 NZD

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 Round
$310 NZD