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Radiant|Lab Grown|IGI

1.53ct G SI1 Radiant Lab Grown Diamond

GD • G/SI1 • IGI LG678563895

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

Certificate IGI LG678563895

Diamond specifications and retailer prices

From $669 SGD
As of November 6, 2026
Save $165 SGD (20%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $834 SGD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG678563895 or 678563895. Listed at 2 retailers as of November 5, 2026, with prices from $669 to $834, a $165 spread on the same certified stone. Diamond Quarter lists it at $834. 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

1.53
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678563895
Dimensions8.34 × 5.55 × 3.75 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.34 mm5.55 mm1.53 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678563895
Side View
Table 65.0%Crown 39.7°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $669 SGD|Low: $655 SGD|High: $979 SGD|Avg: $763 SGD|-31.7%
September 23, 2026
Retailer 1$669 SGD

4 data points across 1 retailer

2 retailers$669 SGD to $834 SGD

B+
Cheapest Retailer
-
$669 SGD
Most Expensive
B
Diamond Quarter
1.53SI1GLG955430N · Nov 5
$834 SGD
£512 GBP
View
1 more retailer has this diamond
Prices start from $669 SGDSave up to $165 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.

B+
1.53ct Radiant
$669 SGD