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Cushion|Lab Grown|IGI

0.71ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG468187109

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG468187109

Diamond specifications and retailer prices

From £207 GBP
$277 USD
As of October 30, 2026
Save £678 GBP (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £884 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.71ct lab-grown cushion diamond

This 0.71ct 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 LG468187109 or 468187109. Listed at 3 retailers as of October 29, 2026, with prices from £207 to £884, a £678 spread on the same certified stone. MOH London lists it at £884. 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

0.71
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468187109
Dimensions5.24 × 5.21 × 3.63 mm
L/W Ratio1.01
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
5.24 mm5.21 mm0.71 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG468187109
Side View
Table 59.0%Crown 34.8°Girdle: MED-THKPavilion 41.8°Culet: NoneDepth 69.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £884 GBP|Low: £143 GBP|High: £890 GBP|Avg: £505 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3£207 GBP
Retailer 2£212 GBP
Retailer 4£493 GBP
Retailer 5£642 GBP
Retailer 6£642 GBP
MOH London£884 GBP

35 data points across 6 retailers

3 retailers£207 GBP to £884 GBP

A
Cheapest Retailer
-
£207 GBP
$277 USD
A
Retailer 2
-
£212 GBP
View
Most Expensive
B
MOH London
LG468187109 · Oct 29
£884 GBP
View
2 more retailers have this diamond
Prices start from £207 GBPSave up to £678 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
0.71ct Cushion
£207 GBP