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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 $433 NZD
$244 USD
As of October 30, 2026
Save $227 NZD (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,938 NZD 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: $1,938 NZD|Low: $373 NZD|High: $1,949 NZD|Avg: $766 NZD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 5$373 NZD
Retailer 2$417 NZD
Retailer 3$433 NZD
Retailer 6$454 NZD
Retailer 4$617 NZD
Retailer 7$1,106 NZD
MOH London$1,938 NZD

11 data points across 7 retailers

5 retailers$433 NZD to $660 NZD

Retailer 1
-
$417 NZD
$235 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
$433 NZD
$244 USD
View
B
Retailer 3
-
$617 NZD
$348 USD
View
B
Retailer 4
-
$660 NZD
£293 GBP
View
Most Expensive
MOH London
LG645485168 · Oct 21
$1,938 NZD
£860 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $433 NZDSave up to $227 NZD

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
$433 NZD