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Oval|Lab Grown|IGI

0.73ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG436048890

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436048890

Diamond specifications and retailer prices

From £198 GBP
As of October 29, 2026
Save £641 GBP (76%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £839 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.73ct lab-grown oval diamond

This 0.73ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG436048890 or 436048890. Listed at 4 retailers as of October 29, 2026, with prices from £198 to £839, a £641 spread on the same certified stone. MOH London lists it at £839. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436048890
Dimensions7.05 × 5.22 × 3.22 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 process (HPHT).
Top View
7.05 mm5.22 mm0.73 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436048890
Side View
Table 61.0%Crown 35.9°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £839 GBP|Low: £137 GBP|High: £845 GBP|Avg: £470 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2£198 GBP
Retailer 3£200 GBP
Retailer 4£279 GBP
Retailer 5£481 GBP
Retailer 6£653 GBP
Retailer 7£653 GBP
MOH London£839 GBP

33 data points across 7 retailers

4 retailers£198 GBP to £839 GBP

A
Cheapest Retailer
-
£198 GBP
A
Retailer 2
-
£200 GBP
$266 USD
View
B+
Retailer 3
-
£279 GBP
$372 USD
View
Most Expensive
B
MOH London
LG436048890 · Oct 29
£839 GBP
View
3 more retailers have this diamond
Prices start from £198 GBPSave up to £641 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
0.73ct Oval
£198 GBP