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Cushion|Lab Grown|IGI

0.73ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG467164535

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG467164535

Diamond specifications and retailer prices

From £210 GBP
$282 USD
As of October 30, 2026
Save £689 GBP (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £899 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.73ct lab-grown cushion diamond

This 0.73ct lab-grown cushion 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 LG467164535 or 467164535. Listed at 4 retailers as of October 25, 2026, with prices from £210 to £899, a £689 spread on the same certified stone. MOH London lists it at £899. 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

0.73
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG467164535
Dimensions5.41 × 5.27 × 3.53 mm
L/W Ratio1.03
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.
Top View
5.41 mm5.27 mm0.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG467164535
Side View
Table 60.5%Crown 33.4°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 67.0%

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 30
Current: £899 GBP|Low: £146 GBP|High: £909 GBP|Avg: £478 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3£210 GBP
Retailer 2£217 GBP
Retailer 4£285 GBP
Retailer 5£508 GBP
Retailer 6£619 GBP
Retailer 7£619 GBP
MOH London£899 GBP

35 data points across 7 retailers

4 retailers£210 GBP to £899 GBP

A
Cheapest Retailer
-
£210 GBP
$282 USD
A
Retailer 2
-
£217 GBP
View
B+
Retailer 3
-
£285 GBP
$382 USD
View
Most Expensive
B
MOH London
LG467164535 · Oct 25
£899 GBP
View
3 more retailers have this diamond
Prices start from £210 GBPSave up to £689 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 Cushion
£210 GBP