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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 $378 AUD
As of November 6, 2026
Save $2,387 AUD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,765 AUD at Do Amore Diamonds · As of November 6, 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 November 6, 2026, with prices from $378 to $2,765, a $2,387 spread on the same certified stone. Do Amore Diamonds lists it at $2,765. 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
Colour
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

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: Nov 6
Current: $2,765 AUD|Low: $246 AUD|High: $2,765 AUD|Avg: $940 AUD|+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 6, 2026
Retailer 3$246 AUD
Retailer 5$358 AUD
Retailer 6$378 AUD
Retailer 10$595 AUD
Retailer 7$620 AUD
Retailer 2$725 AUD
Retailer 11$1,076 AUD
Retailer 9$1,311 AUD
Retailer 8$1,518 AUD
Retailer 4$1,576 AUD
Do Amore Diamonds$2,765 AUD

37 data points across 11 retailers

10 retailers$378 AUD to $2,765 AUD

Retailer 1
-
$358 AUD
Price last confirmed 13 days ago
A
Retailer 2
-
$378 AUD
View
Retailer 3
-
$595 AUD
View
Price last confirmed 33 days ago
B+
Retailer 4
-
$620 AUD
View
B+
Retailer 5
-
$725 AUD
View
B
Retailer 6
-
$1,076 AUD
View
B
Retailer 7
-
$1,311 AUD
View
B
Retailer 8
-
$1,518 AUD
View
B
Retailer 9
-
$1,576 AUD
View
Most Expensive
B
Do Amore Diamonds
27-654CAEDC8 · Nov 6
$2,765 AUD
$1,900 USD
View
9 more retailers have this diamond
Prices start from $378 AUDSave up to $2,387 AUD

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
$378 AUD