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0.30ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG459129357

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459129357

Diamond specifications and retailer prices

From $293 NZD
$165 USD
As of November 1, 2026
Save $1,420 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,713 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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG459129357 or 459129357. Listed at 11 retailers as of October 29, 2026, with prices from $293 to $1,713, a $1,420 spread on the same certified stone. MOH London lists it at $1,713. 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
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459129357
Dimensions4.23 × 4.19 × 2.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
4.23 mm4.19 mm0.30 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459129357
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.7%

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: Nov 1
Current: $1,713 NZD|Low: $283 NZD|High: $1,724 NZD|Avg: $626 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$293 NZD
Retailer 8$341 NZD
Retailer 3$355 NZD
Retailer 6$364 NZD
Retailer 9$489 NZD
Retailer 2$645 NZD
Retailer 7$654 NZD
Retailer 4$756 NZD
MOH London$1,713 NZD

42 data points across 9 retailers

11 retailers$293 NZD to $1,713 NZD

A
Cheapest Retailer
-
$293 NZD
$165 USD
B+
Retailer 2
-
$341 NZD
$192 USD
View
B+
Retailer 3
-
$355 NZD
$200 USD
View
Retailer 4
-
$364 NZD
$205 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$364 NZD
$205 USD
View
B
Retailer 6
-
$645 NZD
£286 GBP
View
B
Retailer 7
-
$654 NZD
$368 USD
View
B
Retailer 8
-
$756 NZD
€405 EUR
View
B
Retailer 9
-
$844 NZD
£374 GBP
View
B
Retailer 10
-
$1,173 NZD
$660 USD
View
Most Expensive
B
MOH London
LG459129357 · Oct 29
$1,713 NZD
£759 GBP
View
10 more retailers have this diamond
Prices start from $293 NZDSave up to $1,420 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
$293 NZD