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0.30ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG459192481

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459192481

Diamond specifications and retailer prices

From $164 USD
As of October 29, 2026
Save $791 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $955 USD 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG459192481 or 459192481. Listed at 10 retailers as of October 29, 2026, with prices from $164 to $955, a $791 spread on the same certified stone. MOH London lists it at $955. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459192481
Dimensions4.31 × 4.26 × 2.62 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
4.31 mm4.26 mm0.30 ctD / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459192481
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $955 USD|Low: $157 USD|High: $961 USD|Avg: $363 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$164 USD
Retailer 9$190 USD
Retailer 7$203 USD
Retailer 12$210 USD
Retailer 6$210 USD
Retailer 11$259 USD
Retailer 8$366 USD
Retailer 2$421 USD
Retailer 4$426 USD
Retailer 3$475 USD
Retailer 10$475 USD
MOH London$955 USD

15 data points across 12 retailers

10 retailers$164 USD to $955 USD

A
Cheapest Retailer
-
$164 USD
B+
Retailer 2
-
$190 USD
View
B+
Retailer 3
-
$203 USD
View
B+
Retailer 4
-
$203 USD
View
B+
Retailer 5
-
$210 USD
View
B
Retailer 6
-
$366 USD
View
B
Retailer 7
-
$421 USD
€401 EUR
View
B
Retailer 8
-
$475 USD
£374 GBP
View
B
Retailer 9
-
$653 USD
View
Most Expensive
B
MOH London
LG459192481 · Oct 29
$955 USD
£752 GBP
View
9 more retailers have this diamond
Prices start from $164 USDSave up to $791 USD

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
$164 USD