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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 $253 USD
As of October 28, 2026
Save $1,277 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,530 USD 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635419445 or 635419445. Listed at 11 retailers as of October 28, 2026, with prices from $253 to $1,530, a $1,277 spread on the same certified stone. Brilliant Earth lists it at $1,530. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,030 USD|Low: $151 USD|High: $2,100 USD|Avg: $673 USD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$151 USD
Retailer 8$253 USD
Retailer 7$280 USD
Retailer 11$378 USD
Retailer 4$511 USD
Retailer 2$522 USD
Retailer 9$554 USD
Retailer 10$630 USD
Retailer 6$734 USD
Retailer 5$1,128 USD
Brilliant Earth$2,030 USD

42 data points across 11 retailers

11 retailers$253 USD to $1,530 USD

A
Cheapest Retailer
-
$253 USD
Final sale: no returns
A
Retailer 2
-
$280 USD
View
B+
Retailer 3
-
$378 USD
View
A
Retailer 4
-
$511 USD
€487 EUR
View
A
Retailer 5
-
$522 USD
£411 GBP
View
A
Retailer 6
-
$554 USD
View
A
Retailer 7
-
$630 USD
View
B+
Retailer 8
-
$734 USD
View
B+
Retailer 9
-
$953 USD
View
B+
Retailer 10
-
$1,128 USD
£888 GBP
View
Most Expensive
B
Brilliant Earth
14079677A · Oct 29
$1,530 USD
View
10 more retailers have this diamond
Prices start from $253 USDSave up to $1,277 USD

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
$253 USD