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 $594 USD
As of October 25, 2026
16 retailers carry this diamond
Most expensive: $1,160 USD 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 16 retailers as of October 25, 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
Color
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

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 25
Current: $1,160 USD|Low: $146 USD|High: $1,160 USD|Avg: $495 USD|+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$155 USD
Retailer 6$258 USD
Retailer 3$275 USD
Retailer 2$321 USD
Retailer 14$322 USD
Retailer 11$352 USD
Retailer 17$366 USD
Retailer 4$378 USD
Retailer 9$412 USD
Retailer 15$470 USD
Retailer 13$503 USD
Retailer 16$594 USD
Retailer 7$664 USD
Retailer 8$787 USD
Retailer 12$895 USD
Retailer 5$1,003 USD
Do Amore Diamonds$1,160 USD

34 data points across 17 retailers

16 retailers

Retailer 1
-
$258 USD
Price last confirmed 9 days ago
Retailer 2
-
$275 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$321 USD
£253 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
$352 USD
£277 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
$366 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$378 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$412 USD
£325 GBP
View
Price last confirmed 16 days ago
Retailer 8
-
$470 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$503 USD
CA$699 CAD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$594 USD
View
Retailer 11
-
$664 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$787 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$787 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$895 USD
£705 GBP
View
Price last confirmed 9 days ago
Retailer 15
-
$1,003 USD
View
Price last confirmed 7 days ago
Most Expensive
Do Amore Diamonds
20-D34593 · Oct 22
$1,160 USD
View
Price last confirmed 8 days ago
15 more retailers have this diamond
Prices start from $594 USD

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.

B
0.64ct Cushion
$594 USD