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 €350 EUR
$391 USD
As of October 30, 2026
Save €1,171 EUR (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,521 EUR 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 €350 to €1,521, a €1,171 spread on the same certified stone. MOH London lists it at €1,521. 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: €1,521 EUR|Low: €341 EUR|High: €1,531 EUR|Avg: €802 EUR|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5€350 EUR
Retailer 2€388 EUR
Retailer 4€618 EUR
Retailer 3€622 EUR
Retailer 6€1,210 EUR
MOH London€1,521 EUR

12 data points across 6 retailers

5 retailers€350 EUR to €1,521 EUR

B+
Cheapest Retailer
-
€350 EUR
$391 USD
Final sale: no returns
B+
Retailer 2
-
€388 EUR
$433 USD
View
B+
Retailer 3
-
€618 EUR
$690 USD
View
B+
Retailer 4
-
€622 EUR
$695 USD
View
Most Expensive
B
MOH London
LG436045066 · Oct 29
€1,521 EUR
£1,338 GBP
View
4 more retailers have this diamond
Prices start from €350 EURSave up to €1,171 EUR

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
€350 EUR