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Cushion|Lab Grown|IGI

1.01ct E SI2 Cushion Lab Grown Diamond

ID • E/SI2 • IGI LG665409447

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665409447

Diamond specifications and retailer prices

From $628 SGD
$490 USD
As of October 28, 2026
Save $938 SGD (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,566 SGD at Yorxs · As of October 29, 2026
View at Yorxs

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG665409447 or 665409447. Listed at 9 retailers as of October 28, 2026, with prices from $628 to $1,566, a $938 spread on the same certified stone. Yorxs lists it at $1,566. 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
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409447
Dimensions6.19 × 5.97 × 3.90 mm
L/W Ratio1.04
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
6.19 mm5.97 mm1.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409447
Side View
Table 59.0%Crown 35.7°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,386 SGD|Low: $578 SGD|High: $3,879 SGD|Avg: $1,438 SGD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
October 30, 2026
Retailer 4$628 SGD
Retailer 3$886 SGD
Retailer 6$888 SGD
Retailer 5$1,138 SGD
Retailer 8$1,269 SGD
Retailer 7$1,369 SGD
Retailer 1$1,386 SGD
Yorxs$1,566 SGD
Retailer 2$3,879 SGD

43 data points across 9 retailers

9 retailers$628 SGD to $1,566 SGD

B+
Cheapest Retailer
-
$628 SGD
$490 USD
B
Retailer 2
-
$886 SGD
$691 USD
View
Final sale: no returns
Retailer 3
-
$888 SGD
$693 USD
View
Price last confirmed 13 days ago
B
Retailer 4
-
$1,138 SGD
$888 USD
View
B
Retailer 5
-
$1,269 SGD
$990 USD
View
B
Retailer 6
-
$1,369 SGD
$1,068 USD
View
B
Retailer 7
-
$1,386 SGD
£852 GBP
View
Most Expensive
B
Yorxs
611344275 · Oct 29
$1,566 SGD
€1,164 EUR
View
7 more retailers have this diamond
Prices start from $628 SGDSave up to $938 SGD

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.

B+
1.01ct Cushion
$628 SGD