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Radiant|Lab Grown|IGI

4.55ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG846656934

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

Certificate IGI LG846656934

Diamond specifications and retailer prices

From $953 CAD
£537 GBP
As of October 26, 2026
Save $8,993 CAD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,946 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.55ct lab-grown radiant diamond

This 4.55ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG846656934 or 846656934. Listed at 8 retailers as of October 26, 2026, with prices from $953 to $9,946, a $8,993 spread on the same certified stone. Brilliant Earth lists it at $9,946. 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

4.55
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846656934
Dimensions11.37 × 8.38 × 5.42 mm
L/W Ratio1.36
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm8.38 mm4.55 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846656934
Side View
Table 64.0%Crown 43.6°Girdle: MED-STKPavilion 32.9°Culet: NoneDepth 64.7%

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 26
Current: $9,946 CAD|Low: $923 CAD|High: $9,946 CAD|Avg: $2,913 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$923 CAD
Retailer 4$953 CAD
Retailer 7$1,109 CAD
Retailer 6$1,208 CAD
Retailer 5$1,581 CAD
Retailer 2$2,303 CAD
Retailer 9$3,233 CAD
Retailer 3$4,451 CAD
Brilliant Earth$9,946 CAD

4 data points across 9 retailers

8 retailers$953 CAD to $9,946 CAD

A
Cheapest Retailer
-
$953 CAD
£537 GBP
A
Retailer 2
-
$1,109 CAD
HK$6,200 HKD
View
A
Retailer 3
-
$1,208 CAD
$865 USD
View
A
Retailer 4
-
$1,581 CAD
£891 GBP
View
B+
Retailer 5
-
$2,303 CAD
$1,649 USD
View
B+
Retailer 6
-
$3,233 CAD
SGD 3,128 SGD
View
B
Retailer 7
-
$4,451 CAD
£2,509 GBP
View
Most Expensive
B
Brilliant Earth
22251606A · Oct 29
$9,946 CAD
$7,120 USD
View
7 more retailers have this diamond
Prices start from $953 CADSave up to $8,993 CAD

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
4.55ct Radiant
$953 CAD