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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG793611009

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

Certificate IGI LG793611009

Diamond specifications and retailer prices

From $301 AUD
As of November 6, 2026
Save $1,275 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,577 AUD at Reve Diamonds · As of November 6, 2026
View at Reve 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 LG793611009 or 793611009. Listed at 14 retailers as of November 6, 2026, with prices from $301 to $1,577, a $1,275 spread on the same certified stone. Reve Diamonds lists it at $1,577. 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793611009
Dimensions5.90 × 5.78 × 3.88 mm
L/W Ratio1.02
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
5.90 mm5.78 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793611009
Side View
Table 62.0%Crown 34.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 67.1%

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: $506 AUD|Low: $256 AUD|High: $1,585 AUD|Avg: $740 AUD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 6, 2026
Retailer 3$301 AUD
Retailer 7$301 AUD
Retailer 10$474 AUD
Retailer 1$506 AUD
Retailer 5$524 AUD
Retailer 11$536 AUD
Retailer 12$566 AUD
Retailer 9$760 AUD
Retailer 8$766 AUD
Retailer 4$873 AUD
Retailer 2$1,039 AUD
Retailer 6$1,391 AUD
Reve Diamonds$1,577 AUD

41 data points across 13 retailers

14 retailers$301 AUD to $1,577 AUD

A
Cheapest Retailer
-
$301 AUD
Final sale: no returns
Retailer 2
-
$301 AUD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$474 AUD
View
A
Retailer 4
-
$506 AUD
View
A
Retailer 5
-
$524 AUD
View
A
Retailer 6
-
$536 AUD
View
A
Retailer 7
-
$566 AUD
View
B+
Retailer 8
-
$760 AUD
View
B+
Retailer 9
-
$766 AUD
View
Retailer 10
-
$843 AUD
View
Price last confirmed 117 days ago
B+
Retailer 11
-
$873 AUD
View
B
Retailer 12
-
$1,039 AUD
View
B
Retailer 13
-
$1,391 AUD
View
Most Expensive
B
Reve Diamonds
EFC1AB465 · Nov 6
$1,577 AUD
$1,083 USD
View
13 more retailers have this diamond
Prices start from $301 AUDSave up to $1,275 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
$301 AUD