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Cushion|Lab Grown|IGI

1.67ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG520295377

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

Certificate IGI LG520295377

Diamond specifications and retailer prices

From $447 SGD
$349 USD
As of October 25, 2026
Save $2,757 SGD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,204 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 very-good cut grade and certified by IGI LG520295377 or 520295377. Listed at 11 retailers as of October 25, 2026, with prices from $447 to $3,204, a $2,757 spread on the same certified stone. Do Amore Diamonds lists it at $3,204. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.67
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520295377
Dimensions6.77 × 6.70 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.77 mm6.70 mm1.67 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520295377
Side View
Table 62.5%Crown 35°Girdle: STK-VTKPavilion 39.8°Culet: NoneDepth 69.6%

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 25
Current: $3,204 SGD|Low: $352 SGD|High: $3,204 SGD|Avg: $1,192 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$447 SGD
Retailer 7$560 SGD
Retailer 5$564 SGD
Retailer 9$737 SGD
Retailer 2$878 SGD
Retailer 6$1,128 SGD
Retailer 11$1,177 SGD
Retailer 3$1,610 SGD
Retailer 10$1,795 SGD
Retailer 4$1,987 SGD
Do Amore Diamonds$3,204 SGD

36 data points across 11 retailers

11 retailers$447 SGD to $3,204 SGD

A
Cheapest Retailer
-
$447 SGD
$349 USD
A
Retailer 2
-
$560 SGD
$437 USD
View
B+
Retailer 3
-
$564 SGD
$440 USD
View
B+
Retailer 4
-
$737 SGD
$575 USD
View
B+
Retailer 5
-
$878 SGD
£539 GBP
View
Retailer 6
-
$1,128 SGD
$880 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$1,177 SGD
$918 USD
View
B
Retailer 8
-
$1,610 SGD
$1,256 USD
View
B
Retailer 9
-
$1,795 SGD
$1,400 USD
View
B
Retailer 10
-
$1,987 SGD
£1,221 GBP
View
Most Expensive
C
Do Amore Diamonds
27-2807F5B39 · Oct 29
$3,204 SGD
$2,500 USD
View
10 more retailers have this diamond
Prices start from $447 SGDSave up to $2,757 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
$447 SGD