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Cushion|Lab Grown|IGI

2.05ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG641496146

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG641496146

Diamond specifications and retailer prices

From $478 AUD
$336 USD
As of October 28, 2026
Save $1,677 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,155 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 2.05ct lab-grown cushion diamond

This 2.05ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG641496146 or 641496146. Listed at 11 retailers as of October 28, 2026, with prices from $478 to $2,155, a $1,677 spread on the same certified stone. Reve Diamonds lists it at $2,155. 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

2.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641496146
Dimensions7.46 × 7.44 × 4.83 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.44 mm2.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641496146
Side View
Table 60.0%Crown 33.8°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 64.9%

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: Oct 28
Current: $941 AUD|Low: $478 AUD|High: $3,402 AUD|Avg: $1,355 AUD|+8.0%
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
October 30, 2026
Retailer 13$478 AUD
Retailer 5$531 AUD
Retailer 8$653 AUD
Retailer 9$804 AUD
Retailer 11$866 AUD
Retailer 1$941 AUD
Retailer 12$1,029 AUD
Retailer 10$1,036 AUD
Retailer 4$1,629 AUD
Retailer 2$1,772 AUD
Retailer 7$1,851 AUD
Retailer 6$2,128 AUD
Reve Diamonds$2,155 AUD
Retailer 3$3,402 AUD

19 data points across 14 retailers

11 retailers$478 AUD to $2,155 AUD

A
Cheapest Retailer
-
$478 AUD
$336 USD
Final sale: no returns
Retailer 2
-
$653 AUD
£361 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$804 AUD
$565 USD
View
B+
Retailer 4
-
$866 AUD
$608 USD
View
A
Retailer 5
-
$941 AUD
£520 GBP
View
A
Retailer 6
-
$1,029 AUD
$723 USD
View
A
Retailer 7
-
$1,036 AUD
$728 USD
View
B+
Retailer 8
-
$1,772 AUD
$1,245 USD
View
B+
Retailer 9
-
$1,851 AUD
$1,300 USD
View
B
Retailer 10
-
$2,128 AUD
£1,177 GBP
View
Most Expensive
B
Reve Diamonds
84C0CB58B · Oct 30
$2,155 AUD
$1,514 USD
View
10 more retailers have this diamond
Prices start from $478 AUDSave up to $1,677 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
2.05ct Cushion
$478 AUD