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 $372 USD
As of October 30, 2026
Save $852 USD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,224 USD 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 $372 to $1,224, a $852 spread on the same certified stone. MOH London lists it at $1,224. 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: $1,224 USD|Low: $372 USD|High: $1,237 USD|Avg: $740 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 5$372 USD
Retailer 3$471 USD
Retailer 8$480 USD
Retailer 4$532 USD
Retailer 2$825 USD
Retailer 7$921 USD
Retailer 6$1,152 USD
MOH London$1,224 USD

8 data points across 8 retailers

8 retailers$372 USD to $1,224 USD

A
Cheapest Retailer
-
$372 USD
B+
Retailer 2
-
$471 USD
View
B+
Retailer 3
-
$532 USD
View
Retailer 4
-
$814 USD
View
Price last confirmed 72 days ago
B+
Retailer 5
-
$825 USD
View
Retailer 6
-
$830 USD
View
Price last confirmed 68 days ago
B
Retailer 7
-
$1,152 USD
View
Most Expensive
B
MOH London
LG649405808 · Oct 25
$1,224 USD
£964 GBP
View
7 more retailers have this diamond
Prices start from $372 USDSave up to $852 USD

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
$372 USD