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Round|Lab Grown|IGI

0.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG462172831

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462172831

Diamond specifications and retailer prices

From €148 EUR
$165 USD
As of November 1, 2026
Save €715 EUR (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €863 EUR 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 top-tier cut grade and certified by IGI LG462172831 or 462172831. Listed at 10 retailers as of October 29, 2026, with prices from €148 to €863, a €715 spread on the same certified stone. MOH London lists it at €863. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462172831
Dimensions4.37 × 4.36 × 2.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
4.37 mm4.36 mm0.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG462172831
Side View
Table 58.0%Crown 34.6°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

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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: Nov 1
Current: €863 EUR|Low: €142 EUR|High: €868 EUR|Avg: €323 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5€148 EUR
Retailer 8€172 EUR
Retailer 3€179 EUR
Retailer 6€183 EUR
Retailer 2€325 EUR
Retailer 7€329 EUR
Retailer 4€381 EUR
MOH London€863 EUR

44 data points across 8 retailers

10 retailers€148 EUR to €863 EUR

A
Cheapest Retailer
-
€148 EUR
$165 USD
A
Retailer 2
-
€172 EUR
$192 USD
View
A
Retailer 3
-
€179 EUR
$200 USD
View
B+
Retailer 4
-
€183 EUR
$205 USD
View
Retailer 5
-
€183 EUR
$205 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
€325 EUR
£286 GBP
View
B
Retailer 7
-
€329 EUR
$368 USD
View
B
Retailer 8
-
€381 EUR
View
B
Retailer 9
-
€591 EUR
$660 USD
View
Most Expensive
B
MOH London
LG462172831 · Oct 29
€863 EUR
£759 GBP
View
9 more retailers have this diamond
Prices start from €148 EURSave up to €715 EUR

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
€148 EUR