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Cushion|Lab Grown|IGI

1.68ct G SI1 Cushion Lab Grown Diamond

GD • G/SI1 • IGI LG557236081

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG557236081

Diamond specifications and retailer prices

From $589 SGD
$461 USD
As of October 30, 2026
Save $2,466 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,055 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown cushion diamond

This 1.68ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG557236081 or 557236081. Listed at 11 retailers as of October 30, 2026, with prices from $589 to $3,055, a $2,466 spread on the same certified stone. Do Amore Diamonds lists it at $3,055. 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

1.68
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557236081
Dimensions6.79 × 6.74 × 4.64 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
6.79 mm6.74 mm1.68 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557236081
Side View
Table 63.0%Crown 34.4°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 68.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $3,055 SGD|Low: $479 SGD|High: $3,055 SGD|Avg: $1,161 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$589 SGD
Retailer 5$594 SGD
Retailer 2$602 SGD
Retailer 9$707 SGD
Retailer 4$827 SGD
Retailer 7$1,074 SGD
Retailer 11$1,133 SGD
Retailer 3$1,512 SGD
Retailer 10$1,723 SGD
Retailer 6$1,888 SGD
Do Amore Diamonds$3,055 SGD

37 data points across 11 retailers

11 retailers$589 SGD to $3,055 SGD

B+
Cheapest Retailer
-
$589 SGD
$461 USD
B+
Retailer 2
-
$594 SGD
$465 USD
View
B+
Retailer 3
-
$602 SGD
£371 GBP
View
B+
Retailer 4
-
$707 SGD
$553 USD
View
B+
Retailer 5
-
$827 SGD
£510 GBP
View
Retailer 6
-
$1,074 SGD
$840 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$1,133 SGD
$887 USD
View
B
Retailer 8
-
$1,512 SGD
$1,183 USD
View
C
Retailer 9
-
$1,723 SGD
$1,348 USD
View
C
Retailer 10
-
$1,888 SGD
£1,163 GBP
View
Most Expensive
C
Do Amore Diamonds
27-47D0A74F4 · Oct 31
$3,055 SGD
$2,390 USD
View
10 more retailers have this diamond
Prices start from $589 SGDSave up to $2,466 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+
1.68ct Cushion
$589 SGD