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Radiant|Lab Grown|IGI

1.57ct I VS1 Radiant Lab Grown Diamond

VG • I/VS1 • IGI LG649405808

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG649405808

Diamond specifications and retailer prices

From $520 CAD
$372 USD
As of October 30, 2026
Save $1,191 CAD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,710 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG649405808 or 649405808. Listed at 8 retailers as of October 25, 2026, with prices from $520 to $1,710, a $1,191 spread on the same certified stone. MOH London lists it at $1,710. 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
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405808
Dimensions8.04 × 5.76 × 4.00 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.76 mm1.57 ctI / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405808
Side View
Table 64.0%Crown 44.7°Girdle: MediumPavilion 34.9°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
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 30
Current: $1,710 CAD|Low: $520 CAD|High: $1,728 CAD|Avg: $1,034 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 5$520 CAD
Retailer 3$658 CAD
Retailer 8$671 CAD
Retailer 4$743 CAD
Retailer 2$1,152 CAD
Retailer 7$1,286 CAD
Retailer 6$1,609 CAD
MOH London$1,710 CAD

8 data points across 8 retailers

8 retailers$520 CAD to $1,710 CAD

A
Cheapest Retailer
-
$520 CAD
$372 USD
B+
Retailer 2
-
$658 CAD
$471 USD
View
B+
Retailer 3
-
$743 CAD
$532 USD
View
Retailer 4
-
$1,137 CAD
$814 USD
View
Price last confirmed 71 days ago
B+
Retailer 5
-
$1,152 CAD
$825 USD
View
Retailer 6
-
$1,160 CAD
$830 USD
View
Price last confirmed 67 days ago
B
Retailer 7
-
$1,609 CAD
$1,152 USD
View
Most Expensive
B
MOH London
LG649405808 · Oct 25
$1,710 CAD
£964 GBP
View
7 more retailers have this diamond
Prices start from $520 CADSave up to $1,191 CAD

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
1.57ct Radiant
$520 CAD