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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG524208994

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG524208994

Diamond specifications and retailer prices

From $230 USD
As of October 30, 2026
Save $1,740 USD (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,970 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524208994 or 524208994. Listed at 8 retailers as of October 29, 2026, with prices from $230 to $1,970, a $1,740 spread on the same certified stone. Do Amore Diamonds lists it at $1,970. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524208994
Dimensions6.00 × 5.52 × 3.56 mm
L/W Ratio1.09
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
6.00 mm5.52 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524208994
Side View
Table 58.0%Crown 37.3°Girdle: STK-VTKPavilion 30.9°Culet: NoneDepth 64.5%

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 30
Current: $524 USD|Low: $164 USD|High: $1,138 USD|Avg: $487 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5$230 USD
Retailer 7$239 USD
Retailer 3$254 USD
Retailer 4$439 USD
Retailer 1$524 USD
Retailer 6$565 USD
Retailer 2$1,130 USD

40 data points across 7 retailers

8 retailers$230 USD to $1,970 USD

A
Cheapest Retailer
-
$230 USD
Final sale: no returns
A
Retailer 2
-
$239 USD
View
A
Retailer 3
-
$254 USD
View
B+
Retailer 4
-
$439 USD
View
B+
Retailer 5
-
$524 USD
£412 GBP
View
B+
Retailer 6
-
$565 USD
View
Retailer 7
-
$1,130 USD
£890 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-7B77C9140 · Oct 29
$1,970 USD
View
7 more retailers have this diamond
Prices start from $230 USDSave up to $1,740 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
1.01ct Cushion
$230 USD