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Cushion|Lab Grown|IGI

0.79ct D SI1 Cushion Lab Grown Diamond

GD • D/SI1 • IGI LG464188975

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG464188975

Diamond specifications and retailer prices

From £220 GBP
$295 USD
As of October 30, 2026
Save £739 GBP (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £959 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.79ct lab-grown cushion diamond

This 0.79ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG464188975 or 464188975. Listed at 4 retailers as of October 29, 2026, with prices from £220 to £959, a £739 spread on the same certified stone. MOH London lists it at £959. 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

0.79
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464188975
Dimensions5.48 × 5.32 × 3.71 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
5.48 mm5.32 mm0.79 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464188975
Side View
Table 55.0%Crown 34.2°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £959 GBP|Low: £155 GBP|High: £966 GBP|Avg: £511 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3£220 GBP
Retailer 2£235 GBP
Retailer 4£293 GBP
Retailer 5£552 GBP
Retailer 6£679 GBP
Retailer 7£679 GBP
MOH London£959 GBP

35 data points across 7 retailers

4 retailers£220 GBP to £959 GBP

B+
Cheapest Retailer
-
£220 GBP
$295 USD
B+
Retailer 2
-
£235 GBP
View
B+
Retailer 3
-
£293 GBP
$392 USD
View
Most Expensive
C
MOH London
LG464188975 · Oct 29
£959 GBP
View
3 more retailers have this diamond
Prices start from £220 GBPSave up to £739 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.

B+
0.79ct Cushion
£220 GBP