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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825630717

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG825630717

Diamond specifications and retailer prices

From $675 SGD
$528 USD
As of October 30, 2026
Save $1,677 SGD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,352 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825630717 or 825630717. Listed at 10 retailers as of October 29, 2026, with prices from $675 to $2,352, a $1,677 spread on the same certified stone. Brilliant Earth lists it at $2,352. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630717
Dimensions5.89 × 5.85 × 3.78 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.89 mm5.85 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630717
Side View
Table 62.0%Crown 33.7°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 64.6%

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: $2,352 SGD|Low: $666 SGD|High: $2,378 SGD|Avg: $1,200 SGD|-1.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$675 SGD
Retailer 2$730 SGD
Retailer 3$769 SGD
Retailer 7$772 SGD
Retailer 10$1,243 SGD
Retailer 6$1,363 SGD
Retailer 4$1,415 SGD
Retailer 9$1,598 SGD
Retailer 8$1,667 SGD
Brilliant Earth$2,352 SGD

42 data points across 10 retailers

10 retailers$675 SGD to $2,352 SGD

A
Cheapest Retailer
-
$675 SGD
$528 USD
A
Retailer 2
-
$730 SGD
$571 USD
View
A
Retailer 3
-
$769 SGD
£474 GBP
View
A
Retailer 4
-
$772 SGD
€575 EUR
View
Retailer 5
-
$1,243 SGD
A$1,496 AUD
View
Price last confirmed 23 days ago
B+
Retailer 6
-
$1,363 SGD
$1,066 USD
View
B+
Retailer 7
-
$1,415 SGD
$1,107 USD
View
Retailer 8
-
$1,598 SGD
$1,250 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$1,667 SGD
£1,027 GBP
View
Most Expensive
B
Brilliant Earth
21214347A · Oct 29
$2,352 SGD
$1,840 USD
View
9 more retailers have this diamond
Prices start from $675 SGDSave up to $1,677 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.

A
1.00ct Cushion
$675 SGD