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Cushion|Lab Grown|IGI

2.05ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG756507542

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG756507542

Diamond specifications and retailer prices

From $434 AUD
$305 USD
As of October 31, 2026
Save $1,872 AUD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,306 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG756507542 or 756507542. Listed at 13 retailers as of October 29, 2026, with prices from $434 to $2,306, a $1,872 spread on the same certified stone. Brilliant Earth lists it at $2,306. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756507542
Dimensions8.08 × 6.69 × 4.42 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm6.69 mm2.05 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756507542
Side View
Table 64.0%Crown 34.3°Girdle: THK-VTKPavilion 33.5°Culet: NoneDepth 66.1%

Caratlytics Score

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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: Oct 31
Current: $2,306 AUD|Low: $315 AUD|High: $2,306 AUD|Avg: $1,151 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4$434 AUD
Retailer 9$481 AUD
Retailer 7$726 AUD
Retailer 2$776 AUD
Retailer 12$796 AUD
Retailer 6$846 AUD
Retailer 11$884 AUD
Retailer 3$1,015 AUD
Retailer 10$1,226 AUD
Retailer 5$1,619 AUD
Retailer 8$1,938 AUD
Retailer 13$2,029 AUD
Brilliant Earth$2,306 AUD

42 data points across 13 retailers

13 retailers$434 AUD to $2,306 AUD

A
Cheapest Retailer
-
$434 AUD
$305 USD
Final sale: no returns
A
Retailer 2
-
$481 AUD
$338 USD
View
A
Retailer 3
-
$726 AUD
$510 USD
View
A
Retailer 4
-
$776 AUD
€519 EUR
View
B+
Retailer 5
-
$796 AUD
$559 USD
View
A
Retailer 6
-
$846 AUD
£468 GBP
View
A
Retailer 7
-
$884 AUD
$621 USD
View
A
Retailer 8
-
$1,015 AUD
$713 USD
View
B+
Retailer 9
-
$1,226 AUD
$861 USD
View
B+
Retailer 10
-
$1,619 AUD
$1,137 USD
View
B
Retailer 11
-
$1,938 AUD
£1,072 GBP
View
B
Retailer 12
-
$2,029 AUD
$1,425 USD
View
Most Expensive
B
Brilliant Earth
17406455A · Oct 29
$2,306 AUD
$1,620 USD
View
12 more retailers have this diamond
Prices start from $434 AUDSave up to $1,872 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
$434 AUD