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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG747513189

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG747513189

Diamond specifications and retailer prices

From $275 AUD
As of November 6, 2026
Save $1,319 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,594 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 LG747513189 or 747513189. Listed at 14 retailers as of November 6, 2026, with prices from $275 to $1,594, a $1,319 spread on the same certified stone. Reve Diamonds lists it at $1,594. 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 angle35.3°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747513189
Dimensions6.83 × 5.28 × 3.59 mm
L/W Ratio1.29
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
6.83 mm5.28 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747513189
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $587 AUD|Low: $274 AUD|High: $1,594 AUD|Avg: $743 AUD|+9.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 6, 2026
Retailer 2$275 AUD
Retailer 13$306 AUD
Retailer 10$477 AUD
Retailer 6$536 AUD
Retailer 12$546 AUD
Retailer 1$587 AUD
Retailer 5$592 AUD
Retailer 11$656 AUD
Retailer 9$757 AUD
Retailer 7$805 AUD
Retailer 4$873 AUD
Retailer 3$1,061 AUD
Retailer 8$1,426 AUD
Reve Diamonds$1,594 AUD

45 data points across 14 retailers

14 retailers$275 AUD to $1,594 AUD

A
Cheapest Retailer
-
$275 AUD
Final sale: no returns
Retailer 2
-
$306 AUD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$477 AUD
View
A
Retailer 4
-
$536 AUD
View
A
Retailer 5
-
$546 AUD
View
B+
Retailer 6
-
$587 AUD
View
Retailer 7
-
$592 AUD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
$656 AUD
View
B+
Retailer 9
-
$757 AUD
View
B+
Retailer 10
-
$805 AUD
View
B+
Retailer 11
-
$873 AUD
View
B
Retailer 12
-
$1,061 AUD
View
B
Retailer 13
-
$1,426 AUD
View
Most Expensive
B
Reve Diamonds
7BE1E0F5D · Nov 6
$1,594 AUD
$1,095 USD
View
13 more retailers have this diamond
Prices start from $275 AUDSave up to $1,319 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
$275 AUD