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Oval|Lab Grown|IGI

0.30ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG821647691

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821647691

Diamond specifications and retailer prices

From £51 GBP
$69 USD
As of October 29, 2026
Save £419 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £470 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.3ct lab-grown oval diamond

This 0.3ct lab-grown oval sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821647691 or 821647691. Listed at 11 retailers as of October 29, 2026, with prices from £51 to £470, a £419 spread on the same certified stone. MOH London lists it at £470. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821647691
Dimensions5.32 × 3.93 × 2.29 mm
L/W Ratio1.35
Girdle conditionFaceted
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
5.32 mm3.93 mm0.30 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821647691
Side View
Table 62.0%Crown 32.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 58.3%

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: Oct 29
Current: £470 GBP|Low: £51 GBP|High: £474 GBP|Avg: £198 GBP|+0.4%
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 31, 2026
Retailer 10£51 GBP
Retailer 9£60 GBP
Retailer 6£68 GBP
Retailer 7£68 GBP
Retailer 2£113 GBP
Retailer 12£132 GBP
Retailer 11£147 GBP
Retailer 5£164 GBP
Retailer 8£204 GBP
Retailer 3£233 GBP
Retailer 4£250 GBP
MOH London£470 GBP

43 data points across 12 retailers

11 retailers£51 GBP to £470 GBP

A
Cheapest Retailer
-
£51 GBP
$69 USD
A
Retailer 2
-
£60 GBP
$80 USD
View
A
Retailer 3
-
£68 GBP
$91 USD
View
A
Retailer 4
-
£68 GBP
$91 USD
View
A
Retailer 5
-
£113 GBP
View
B+
Retailer 6
-
£147 GBP
$197 USD
View
B+
Retailer 7
-
£164 GBP
View
B
Retailer 8
-
£204 GBP
$274 USD
View
B
Retailer 9
-
£233 GBP
$312 USD
View
B
Retailer 10
-
£250 GBP
$335 USD
View
Most Expensive
B
MOH London
LG821647691 · Oct 29
£470 GBP
View
10 more retailers have this diamond
Prices start from £51 GBPSave up to £419 GBP

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 Oval
£51 GBP