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Radiant|Lab Grown|IGI

0.48ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG645485168

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

Certificate IGI LG645485168

Diamond specifications and retailer prices

From $312 SGD
$244 USD
As of October 30, 2026
Save $164 SGD (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,396 SGD at MOH London · As of October 21, 2026
View at MOH London

About this 0.48ct lab-grown radiant diamond

This 0.48ct lab-grown radiant sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG645485168 or 645485168. Listed at 5 retailers as of October 29, 2026, with a 53% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.48
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG645485168
Dimensions5.42 × 4.03 × 2.58 mm
L/W Ratio1.34
Culet sizePointed
Cert comments
Pre-existing laser inscription on girdle. As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
5.42 mm4.03 mm0.48 ctD / SI1
OriginLab Grown
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG645485168
Side View
Table 72.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.0%

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: $1,396 SGD|Low: $268 SGD|High: $1,404 SGD|Avg: $552 SGD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 5$268 SGD
Retailer 2$300 SGD
Retailer 3$312 SGD
Retailer 6$327 SGD
Retailer 4$445 SGD
Retailer 7$797 SGD
MOH London$1,396 SGD

11 data points across 7 retailers

5 retailers$312 SGD to $476 SGD

Retailer 1
-
$300 SGD
$235 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
$312 SGD
$244 USD
View
B
Retailer 3
-
$445 SGD
$348 USD
View
B
Retailer 4
-
$476 SGD
£293 GBP
View
Most Expensive
MOH London
LG645485168 · Oct 21
$1,396 SGD
£860 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $312 SGDSave up to $164 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+
0.48ct Radiant
$312 SGD