CaratHunter
Plans
Cushion|Lab Grown|IGI

2.05ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG635419445

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG635419445

Diamond specifications and retailer prices

From $368 AUD
As of November 4, 2026
Save $1,859 AUD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,227 AUD at Brilliant Earth · As of November 3, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635419445 or 635419445. Listed at 12 retailers as of November 3, 2026, with prices from $368 to $2,227, a $1,859 spread on the same certified stone. Brilliant Earth lists it at $2,227. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635419445
Dimensions7.40 × 7.16 × 4.76 mm
L/W Ratio1.03
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
7.40 mm7.16 mm2.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635419445
Side View
Table 61.0%Crown 33.7°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 66.5%

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 4
Current: $2,954 AUD|Low: $220 AUD|High: $3,056 AUD|Avg: $1,035 AUD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 4$220 AUD
Retailer 11$368 AUD
Retailer 10$408 AUD
Retailer 3$550 AUD
Retailer 8$738 AUD
Retailer 7$760 AUD
Retailer 12$806 AUD
Retailer 2$937 AUD
Retailer 6$1,083 AUD
Retailer 5$1,633 AUD
Retailer 9$1,827 AUD
Brilliant Earth$2,954 AUD

39 data points across 12 retailers

12 retailers$368 AUD to $2,227 AUD

A
Cheapest Retailer
-
$368 AUD
Final sale: no returns
Retailer 2
-
$408 AUD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$550 AUD
View
A
Retailer 4
-
$738 AUD
View
A
Retailer 5
-
$760 AUD
View
A
Retailer 6
-
$806 AUD
View
A
Retailer 7
-
$937 AUD
View
A
Retailer 8
-
$1,083 AUD
View
Retailer 9
-
$1,386 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$1,633 AUD
View
Retailer 11
-
$1,827 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
14079677A · Nov 3
$2,227 AUD
$1,530 USD
View
11 more retailers have this diamond
Prices start from $368 AUDSave up to $1,859 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
$368 AUD