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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG581326974

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG581326974

Diamond specifications and retailer prices

From $260 USD
As of October 30, 2026
Save $1,640 USD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,900 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581326974 or 581326974. Listed at 10 retailers as of October 30, 2026, with prices from $260 to $1,900, a $1,640 spread on the same certified stone. Do Amore Diamonds lists it at $1,900. 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581326974
Dimensions6.42 × 5.41 × 3.69 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.42 mm5.41 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581326974
Side View
Table 62.0%Crown 35.4°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,900 USD|Low: $169 USD|High: $1,900 USD|Avg: $634 USD|+30.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$169 USD
Retailer 5$246 USD
Retailer 6$260 USD
Retailer 10$409 USD
Retailer 7$426 USD
Retailer 4$499 USD
Retailer 11$739 USD
Retailer 9$901 USD
Retailer 8$1,043 USD
Retailer 2$1,086 USD
Do Amore Diamonds$1,900 USD

38 data points across 11 retailers

10 retailers$260 USD to $1,900 USD

Retailer 1
-
$246 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$260 USD
View
Retailer 3
-
$409 USD
£322 GBP
View
Price last confirmed 27 days ago
B+
Retailer 4
-
$426 USD
View
B+
Retailer 5
-
$499 USD
£393 GBP
View
B
Retailer 6
-
$739 USD
View
B
Retailer 7
-
$901 USD
SGD 1,218 SGD
View
B
Retailer 8
-
$1,043 USD
View
B
Retailer 9
-
$1,086 USD
£855 GBP
View
Most Expensive
B
Do Amore Diamonds
27-654CAEDC8 · Oct 31
$1,900 USD
View
9 more retailers have this diamond
Prices start from $260 USDSave up to $1,640 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.

A
1.01ct Cushion
$260 USD