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0.30ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG677530298

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677530298

Diamond specifications and retailer prices

From $135 NZD
$76 USD
As of October 29, 2026
Save $1,106 NZD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,241 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 top-tier cut grade and certified by IGI LG677530298 or 677530298. Listed at 13 retailers as of October 29, 2026, with prices from $135 to $1,241, a $1,106 spread on the same certified stone. MOH London lists it at $1,241. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677530298
Dimensions4.34 × 4.36 × 2.61 mm
L/W Ratio1.00
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
4.34 mm4.36 mm0.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677530298
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.1%

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: $1,241 NZD|Low: $103 NZD|High: $1,241 NZD|Avg: $386 NZD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 9$135 NZD
Retailer 4$151 NZD
Retailer 10$157 NZD
Retailer 11$178 NZD
Retailer 13$178 NZD
Retailer 3$303 NZD
Retailer 2$316 NZD
Retailer 6$365 NZD
Retailer 12$376 NZD
Retailer 8$539 NZD
Retailer 5$570 NZD
Retailer 7$648 NZD
MOH London$1,241 NZD

44 data points across 13 retailers

13 retailers$135 NZD to $1,241 NZD

A
Cheapest Retailer
-
$135 NZD
$76 USD
A
Retailer 2
-
$151 NZD
$85 USD
View
Final sale: no returns
A
Retailer 3
-
$157 NZD
$88 USD
View
A
Retailer 4
-
$178 NZD
$100 USD
View
A
Retailer 5
-
$178 NZD
$100 USD
View
A
Retailer 6
-
$303 NZD
$170 USD
View
A
Retailer 7
-
$316 NZD
£140 GBP
View
B+
Retailer 8
-
$365 NZD
€195 EUR
View
B+
Retailer 9
-
$376 NZD
$211 USD
View
B
Retailer 10
-
$539 NZD
$303 USD
View
B
Retailer 11
-
$570 NZD
$320 USD
View
B
Retailer 12
-
$648 NZD
$364 USD
View
Most Expensive
B
MOH London
LG677530298 · Oct 29
$1,241 NZD
£549 GBP
View
12 more retailers have this diamond
Prices start from $135 NZDSave up to $1,106 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
$135 NZD