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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 $872 SGD
£537 GBP
As of October 26, 2026
Save $8,230 SGD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,102 SGD at Brilliant Earth · As of October 31, 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 9 retailers as of October 26, 2026, with prices from $872 to $9,102, a $8,230 spread on the same certified stone. Brilliant Earth lists it at $9,102. 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
Colour
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

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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: $9,102 SGD|Low: $845 SGD|High: $9,102 SGD|Avg: $2,624 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9$845 SGD
Retailer 5$872 SGD
Retailer 8$1,015 SGD
Retailer 7$1,106 SGD
Retailer 2$1,361 SGD
Retailer 6$1,447 SGD
Retailer 3$2,108 SGD
Retailer 10$2,959 SGD
Retailer 4$4,074 SGD
Brilliant Earth$9,102 SGD

4 data points across 10 retailers

9 retailers$872 SGD to $9,102 SGD

A
Cheapest Retailer
-
$872 SGD
£537 GBP
A
Retailer 2
-
$1,015 SGD
HK$6,200 HKD
View
A
Retailer 3
-
$1,106 SGD
$865 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$1,361 SGD
€1,014 EUR
View
A
Retailer 5
-
$1,447 SGD
£891 GBP
View
B+
Retailer 6
-
$2,108 SGD
$1,649 USD
View
B
Retailer 7
-
$2,959 SGD
View
B
Retailer 8
-
$4,074 SGD
£2,509 GBP
View
Most Expensive
B
Brilliant Earth
22251606A · Oct 31
$9,102 SGD
$7,120 USD
View
8 more retailers have this diamond
Prices start from $872 SGDSave up to $8,230 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
4.55ct Radiant
$872 SGD