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Radiant|Lab Grown|IGI

4.50ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG613377657

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

Certificate IGI LG613377657

Diamond specifications and retailer prices

From $1,061 SGD
$830 USD
As of November 1, 2026
Save $1,947 SGD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,008 SGD at Adiamor · As of October 31, 2026
View at Adiamor

About this 4.5ct lab-grown radiant diamond

This 4.5ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG613377657 or 613377657. Listed at 6 retailers as of October 31, 2026, with prices from $1,061 to $3,008, a $1,947 spread on the same certified stone. Adiamor lists it at $3,008. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613377657
Dimensions11.97 × 8.12 × 5.35 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.97 mm8.12 mm4.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613377657
Side View
Table 64.0%Crown 46°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.9%

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: Nov 1
Current: $3,008 SGD|Low: $961 SGD|High: $7,581 SGD|Avg: $3,304 SGD|-2.8%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$1,061 SGD
Retailer 2$1,286 SGD
Retailer 3$1,989 SGD
Retailer 6$2,505 SGD
Adiamor$3,008 SGD
Retailer 4$4,230 SGD
Retailer 8$4,814 SGD
Retailer 7$7,581 SGD

12 data points across 8 retailers

6 retailers$1,061 SGD to $3,008 SGD

B+
Cheapest Retailer
-
$1,061 SGD
$830 USD
A
Retailer 2
-
$1,286 SGD
€958 EUR
View
Retailer 3
-
$1,989 SGD
$1,556 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$2,060 SGD
£1,269 GBP
View
B
Retailer 5
-
$2,505 SGD
$1,959 USD
View
Most Expensive
B
Adiamor
D-73418191 · Oct 31
$3,008 SGD
$2,353 USD
View
5 more retailers have this diamond
Prices start from $1,061 SGDSave up to $1,947 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.

A
4.50ct Radiant
$1,061 SGD