CaratHunter
Plans
Cushion|Lab Grown|IGI

1.57ct I SI2 Cushion Lab Grown Diamond

GD • I/SI2 • IGI LG436045066

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG436045066

Diamond specifications and retailer prices

From $557 AUD
$391 USD
As of October 30, 2026
Save $1,862 AUD (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,419 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown cushion diamond

This 1.57ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI LG436045066 or 436045066. Listed at 5 retailers as of October 29, 2026, with prices from $557 to $2,419, a $1,862 spread on the same certified stone. MOH London lists it at $2,419. 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

1.57
Carat
I
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045066
Dimensions6.66 × 6.58 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.66 mm6.58 mm1.57 ctI / SI2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045066
Side View
Table 62.5%Crown 34.2°Girdle: MED-VTKPavilion 40.8°Culet: NoneDepth 68.4%

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: $2,419 AUD|Low: $542 AUD|High: $2,435 AUD|Avg: $1,276 AUD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5$557 AUD
Retailer 2$616 AUD
Retailer 4$982 AUD
Retailer 3$989 AUD
Retailer 6$1,925 AUD
MOH London$2,419 AUD

12 data points across 6 retailers

5 retailers$557 AUD to $2,419 AUD

B+
Cheapest Retailer
-
$557 AUD
$391 USD
Final sale: no returns
B+
Retailer 2
-
$616 AUD
$433 USD
View
B+
Retailer 3
-
$982 AUD
$690 USD
View
B+
Retailer 4
-
$989 AUD
$695 USD
View
Most Expensive
B
MOH London
LG436045066 · Oct 29
$2,419 AUD
£1,338 GBP
View
4 more retailers have this diamond
Prices start from $557 AUDSave up to $1,862 AUD

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+
1.57ct Cushion
$557 AUD