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Cushion|Lab Grown|IGI

0.67ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG805671991

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

Certificate IGI LG805671991

Diamond specifications and retailer prices

From €149 EUR
HK$1,300 HKD
As of October 30, 2026
Save €956 EUR (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,105 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.67ct lab-grown cushion diamond

This 0.67ct 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 LG805671991 or 805671991. Listed at 10 retailers as of October 25, 2026, with prices from €149 to €1,105, a €956 spread on the same certified stone. MOH London lists it at €1,105. 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

0.67
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671991
Dimensions5.03 × 5.01 × 3.14 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
5.03 mm5.01 mm0.67 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805671991
Side View
Table 65.0%Crown 34.5°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 62.7%

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: Oct 30
Current: €1,105 EUR|Low: €118 EUR|High: €1,116 EUR|Avg: €378 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9€119 EUR
Retailer 10€233 EUR
Retailer 2€233 EUR
Retailer 8€256 EUR
Retailer 5€270 EUR
Retailer 3€317 EUR
Retailer 6€326 EUR
Retailer 7€342 EUR
Retailer 4€385 EUR
MOH London€1,105 EUR

40 data points across 10 retailers

10 retailers€149 EUR to €1,105 EUR

A
Cheapest Retailer
-
€149 EUR
HK$1,300 HKD
A
Retailer 2
-
€233 EUR
View
A
Retailer 3
-
€256 EUR
$286 USD
View
A
Retailer 4
-
€270 EUR
£237 GBP
View
B+
Retailer 5
-
€317 EUR
$354 USD
View
B+
Retailer 6
-
€326 EUR
£286 GBP
View
B+
Retailer 7
-
€342 EUR
$382 USD
View
B+
Retailer 8
-
€368 EUR
SGD 556 SGD
View
B+
Retailer 9
-
€385 EUR
$430 USD
View
Most Expensive
B
MOH London
LG805671991 · Oct 25
€1,105 EUR
£972 GBP
View
9 more retailers have this diamond
Prices start from €149 EURSave up to €956 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
0.67ct Cushion
€149 EUR