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Oval|Lab Grown|IGI

0.52ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG786648609

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG786648609

Diamond specifications and retailer prices

From £140 GBP
As of November 4, 2026
Save £718 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £859 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.52ct lab-grown oval diamond

This 0.52ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786648609 or 786648609. Listed at 8 retailers as of November 4, 2026, with prices from £140 to £859, a £718 spread on the same certified stone. MOH London lists it at £859. 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

0.52
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786648609
Dimensions6.40 × 4.45 × 2.86 mm
L/W Ratio1.44
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
6.40 mm4.45 mm0.52 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786648609
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £859 GBP|Low: £110 GBP|High: £903 GBP|Avg: £284 GBP|-4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£110 GBP
Retailer 8£140 GBP
Retailer 5£146 GBP
Retailer 2£200 GBP
Retailer 3£205 GBP
Retailer 4£269 GBP
Retailer 7£275 GBP
MOH London£859 GBP

44 data points across 8 retailers

8 retailers£140 GBP to £859 GBP

Retailer 1
-
£110 GBP
Price last confirmed 12 days ago
A
Retailer 2
-
£140 GBP
View
A
Retailer 3
-
£146 GBP
View
B+
Retailer 4
-
£200 GBP
View
A
Retailer 5
-
£205 GBP
View
B+
Retailer 6
-
£269 GBP
View
B+
Retailer 7
-
£275 GBP
View
Most Expensive
B
MOH London
LG786648609 · Nov 5
£859 GBP
View
7 more retailers have this diamond
Prices start from £140 GBPSave up to £718 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
0.52ct Oval
£140 GBP