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Cushion|Lab Grown|IGI

1.67ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG579366652

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG579366652

Diamond specifications and retailer prices

From $292 SGD
$228 USD
As of October 27, 2026
Save $2,066 SGD (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,358 SGD at Do Amore Diamonds · As of October 27, 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 top-tier cut grade and certified by IGI LG579366652 or 579366652. Listed at 6 retailers as of October 27, 2026, with prices from $292 to $2,358, a $2,066 spread on the same certified stone. Do Amore Diamonds lists it at $2,358. 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 angle35.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579366652
Dimensions7.82 × 6.36 × 4.35 mm
L/W Ratio1.23
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
7.82 mm6.36 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579366652
Side View
Table 60.0%Crown 35.9°Girdle: THN-STKPavilion 38.2°Culet: NoneDepth 68.4%

Caratlytics Score

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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 27
Current: $2,358 SGD|Low: $195 SGD|High: $2,499 SGD|Avg: $1,078 SGD|-5.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 5$292 SGD
Retailer 4$534 SGD
Retailer 8$600 SGD
Retailer 9$719 SGD
Retailer 6$725 SGD
Retailer 7$1,033 SGD
Retailer 3$1,109 SGD
Retailer 2$1,353 SGD
Retailer 10$1,923 SGD
Do Amore Diamonds$2,358 SGD

14 data points across 10 retailers

6 retailers$292 SGD to $2,358 SGD

A
Cheapest Retailer
-
$292 SGD
$228 USD
Final sale: no returns
B+
Retailer 2
-
$534 SGD
$417 USD
View
Retailer 3
-
$1,109 SGD
$865 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$1,186 SGD
$925 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,353 SGD
£831 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C12E4A2F5 · Oct 27
$2,358 SGD
$1,840 USD
View
5 more retailers have this diamond
Prices start from $292 SGDSave up to $2,066 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
$292 SGD