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Cushion|Lab Grown|IGI

0.64ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG729595899

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729595899

Diamond specifications and retailer prices

From £193 GBP
$258 USD
As of October 21, 2026
15 retailers carry this diamond
Most expensive: £866 GBP at Do Amore Diamonds · As of October 22, 2026
View at Do Amore Diamonds

About this 0.64ct lab-grown cushion diamond

This 0.64ct 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 LG729595899 or 729595899. Listed at 15 retailers as of October 21, 2026. 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

0.64
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729595899
Dimensions5.89 × 4.69 × 3.12 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm4.69 mm0.64 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729595899
Side View
Table 61.0%Crown 34°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 66.5%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 21
Current: £866 GBP|Low: £109 GBP|High: £866 GBP|Avg: £370 GBP|+7.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 23, 2026
Retailer 10£116 GBP
Retailer 6£193 GBP
Retailer 3£205 GBP
Retailer 2£240 GBP
Retailer 14£241 GBP
Retailer 11£263 GBP
Retailer 17£273 GBP
Retailer 4£282 GBP
Retailer 9£308 GBP
Retailer 15£351 GBP
Retailer 13£375 GBP
Retailer 16£443 GBP
Retailer 7£496 GBP
Retailer 8£587 GBP
Retailer 12£668 GBP
Retailer 5£748 GBP
Do Amore Diamonds£866 GBP

34 data points across 17 retailers

15 retailers£193 GBP to £866 GBP

Retailer 1
-
£193 GBP
$258 USD
Price last confirmed 11 days ago
Retailer 2
-
£205 GBP
$275 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£240 GBP
View
Price last confirmed 9 days ago
Retailer 4
-
£263 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
£273 GBP
$366 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£282 GBP
$378 USD
View
Price last confirmed 10 days ago
Retailer 7
-
£308 GBP
View
Price last confirmed 18 days ago
Retailer 8
-
£351 GBP
$470 USD
View
Price last confirmed 8 days ago
Retailer 9
-
£375 GBP
CA$699 CAD
View
Price last confirmed 9 days ago
Retailer 10
-
£496 GBP
$664 USD
View
Price last confirmed 11 days ago
Retailer 11
-
£587 GBP
$787 USD
View
Price last confirmed 11 days ago
Retailer 12
-
£587 GBP
$787 USD
View
Price last confirmed 11 days ago
Retailer 13
-
£668 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
£748 GBP
$1,003 USD
View
Price last confirmed 9 days ago
Most Expensive
Do Amore Diamonds
20-D34593 · Oct 22
£866 GBP
$1,160 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond

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.

0.64ct Cushion
£193 GBP