Cushion|Lab Grown|IGI

1.23ct E VVS1 Cushion Lab Grown Diamond

VG • E/VVS1 • IGI LG831680065

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831680065

Diamond specifications and retailer prices

From $293 SGD
$229 USD
As of October 30, 2026
Save $1,809 SGD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,102 SGD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG831680065 or 831680065. Listed at 10 retailers as of October 30, 2026, with prices from $293 to $2,102, a $1,809 spread on the same certified stone. Helzberg Diamonds lists it at $2,102. 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

1.23
Carat
E
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831680065
Dimensions7.44 × 5.42 × 3.63 mm
L/W Ratio1.37
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
7.44 mm5.42 mm1.23 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831680065
Side View
Table 61.0%Crown 35.9°Girdle: STK-THKPavilion 34.8°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,102 SGD|Low: $293 SGD|High: $2,102 SGD|Avg: $834 SGD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9$293 SGD
Retailer 5$399 SGD
Retailer 4$561 SGD
Retailer 2$593 SGD
Retailer 3$638 SGD
Retailer 6$731 SGD
Retailer 10$1,056 SGD
Retailer 8$1,112 SGD
Retailer 7$1,393 SGD
Helzberg Diamonds$2,102 SGD

3 data points across 10 retailers

10 retailers$293 SGD to $2,102 SGD

A
Cheapest Retailer
-
$293 SGD
$229 USD
Final sale: no returns
A
Retailer 2
-
$399 SGD
£246 GBP
View
A
Retailer 3
-
$561 SGD
$439 USD
View
A
Retailer 4
-
$593 SGD
£365 GBP
View
A
Retailer 5
-
$638 SGD
$499 USD
View
B+
Retailer 6
-
$731 SGD
$572 USD
View
B
Retailer 7
-
$1,056 SGD
View
B
Retailer 8
-
$1,112 SGD
$870 USD
View
B
Retailer 9
-
$1,393 SGD
$1,090 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMOGGML · Oct 31
$2,102 SGD
$1,644 USD
View
9 more retailers have this diamond
Prices start from $293 SGDSave up to $1,809 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
1.23ct Cushion
$293 SGD