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Cushion|Lab Grown|IGI

0.73ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG805672653

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG805672653

Diamond specifications and retailer prices

From £124 GBP
HK$1,300 HKD
As of November 1, 2026
Save £775 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £899 GBP at MOH London · As of October 26, 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 LG805672653 or 805672653. Listed at 11 retailers as of October 26, 2026, with prices from £124 to £899, a £775 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle43°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672653
Dimensions5.11 × 5.09 × 3.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.11 mm5.09 mm0.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805672653
Side View
Table 71.0%Crown 43°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 64.4%

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: £899 GBP|Low: £96 GBP|High: £977 GBP|Avg: £321 GBP|-6.9%
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 11£96 GBP
Retailer 10£124 GBP
Retailer 2£190 GBP
Retailer 7£205 GBP
Retailer 12£210 GBP
Retailer 8£218 GBP
Retailer 5£254 GBP
Retailer 9£265 GBP
Retailer 3£285 GBP
Retailer 4£300 GBP
Retailer 6£351 GBP
MOH London£899 GBP

40 data points across 12 retailers

11 retailers£124 GBP to £899 GBP

A
Cheapest Retailer
-
£124 GBP
HK$1,300 HKD
A
Retailer 2
-
£190 GBP
€242 EUR
View
A
Retailer 3
-
£205 GBP
$275 USD
View
Retailer 4
-
£210 GBP
$282 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£218 GBP
View
A
Retailer 6
-
£254 GBP
$341 USD
View
Retailer 7
-
£265 GBP
View
Price last confirmed 7 days ago
Retailer 8
-
£285 GBP
$382 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£300 GBP
SGD 543 SGD
View
B+
Retailer 10
-
£351 GBP
$470 USD
View
Most Expensive
B
MOH London
LG805672653 · Oct 26
£899 GBP
View
10 more retailers have this diamond
Prices start from £124 GBPSave up to £775 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
£124 GBP