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Cushion|Lab Grown|IGI

0.81ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG468186864

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG468186864

Diamond specifications and retailer prices

From €212 EUR
$237 USD
As of October 30, 2026
Save €954 EUR (82%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,166 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.81ct lab-grown cushion diamond

This 0.81ct 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 LG468186864 or 468186864. Listed at 4 retailers as of October 30, 2026, with prices from €212 to €1,166, a €954 spread on the same certified stone. MOH London lists it at €1,166. 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

0.81
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468186864
Dimensions5.45 × 5.43 × 3.69 mm
L/W Ratio1.00
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
5.45 mm5.43 mm0.81 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468186864
Side View
Table 59.0%Crown 35.6°Girdle: MED-THKPavilion 40.6°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: €1,166 EUR|Low: €190 EUR|High: €1,181 EUR|Avg: €628 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4€212 EUR
Retailer 2€232 EUR
Retailer 3€268 EUR
Retailer 5€680 EUR
Retailer 6€922 EUR
Retailer 7€922 EUR
MOH London€1,166 EUR

37 data points across 7 retailers

4 retailers€212 EUR to €1,166 EUR

A
Cheapest Retailer
-
€212 EUR
$237 USD
A
Retailer 2
-
€232 EUR
£205 GBP
View
A
Retailer 3
-
€268 EUR
$299 USD
View
Most Expensive
B
MOH London
LG468186864 · Nov 1
€1,166 EUR
£1,026 GBP
View
3 more retailers have this diamond
Prices start from €212 EURSave up to €954 EUR

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
0.81ct Cushion
€212 EUR