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Cushion|Lab Grown|IGI

0.91ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG694574646

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG694574646

Diamond specifications and retailer prices

From £191 GBP
HK$2,000 HKD
As of October 30, 2026
Save £611 GBP (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £802 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown cushion diamond

This 0.91ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694574646 or 694574646. Listed at 7 retailers as of October 29, 2026, with prices from £191 to £802, a £611 spread on the same certified stone. MOH London lists it at £802. 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

0.91
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694574646
Dimensions6.87 × 5.13 × 3.49 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.87 mm5.13 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694574646
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
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: £802 GBP|Low: £156 GBP|High: £802 GBP|Avg: £345 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9£156 GBP
Retailer 7£191 GBP
Retailer 6£209 GBP
Retailer 2£226 GBP
Retailer 8£302 GBP
Retailer 4£309 GBP
Retailer 5£346 GBP
Retailer 3£359 GBP
Retailer 10£404 GBP
Retailer 11£672 GBP
MOH London£802 GBP

3 data points across 11 retailers

7 retailers£191 GBP to £802 GBP

A
Cheapest Retailer
-
£191 GBP
HK$2,000 HKD
A
Retailer 2
-
£209 GBP
$280 USD
View
A
Retailer 3
-
£226 GBP
View
A
Retailer 4
-
£302 GBP
$404 USD
View
A
Retailer 5
-
£309 GBP
View
B+
Retailer 6
-
£346 GBP
$464 USD
View
Most Expensive
B
MOH London
LG694574646 · Oct 29
£802 GBP
View
6 more retailers have this diamond
Prices start from £191 GBPSave up to £611 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
0.91ct Cushion
£191 GBP