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Cushion|Lab Grown|IGI

1.67ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG522222348

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522222348

Diamond specifications and retailer prices

From $288 SGD
$225 USD
As of October 28, 2026
Save $1,251 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,540 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.67ct lab-grown cushion diamond

This 1.67ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522222348 or 522222348. Listed at 14 retailers as of October 28, 2026, with prices from $288 to $1,540, a $1,251 spread on the same certified stone. Reve Diamonds lists it at $1,540. 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

1.67
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle29.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522222348
Dimensions6.93 × 6.57 × 4.14 mm
L/W Ratio1.05
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
6.93 mm6.57 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522222348
Side View
Table 61.5%Crown 34.4°Girdle: THK-VTKPavilion 29.1°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $591 SGD|Low: $288 SGD|High: $1,564 SGD|Avg: $744 SGD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$288 SGD
Retailer 10$322 SGD
Retailer 6$433 SGD
Retailer 4$529 SGD
Retailer 1$591 SGD
Retailer 3$650 SGD
Retailer 8$690 SGD
Retailer 11$755 SGD
Retailer 7$823 SGD
Retailer 5$1,512 SGD
Retailer 9$1,525 SGD

44 data points across 11 retailers

14 retailers$288 SGD to $1,540 SGD

A
Cheapest Retailer
-
$288 SGD
$225 USD
Final sale: no returns
A
Retailer 2
-
$322 SGD
$251 USD
View
B+
Retailer 3
-
$433 SGD
$338 USD
View
A
Retailer 4
-
$529 SGD
€393 EUR
View
A
Retailer 5
-
$591 SGD
£363 GBP
View
A
Retailer 6
-
$650 SGD
$507 USD
View
A
Retailer 7
-
$690 SGD
$538 USD
View
A
Retailer 8
-
$690 SGD
A$828 AUD
View
B+
Retailer 9
-
$755 SGD
$589 USD
View
B+
Retailer 10
-
$823 SGD
$642 USD
View
B
Retailer 11
-
$1,102 SGD
$860 USD
View
B
Retailer 12
-
$1,512 SGD
£929 GBP
View
B
Retailer 13
-
$1,525 SGD
$1,190 USD
View
Most Expensive
B
Reve Diamonds
56E57FFEB · Oct 30
$1,540 SGD
$1,201 USD
View
13 more retailers have this diamond
Prices start from $288 SGDSave up to $1,251 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
1.67ct Cushion
$288 SGD