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Radiant|Lab Grown|IGI

4.64ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG660435797

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

Certificate IGI LG660435797

Diamond specifications and retailer prices

From $1,690 CAD
$1,210 USD
As of October 29, 2026
Save $2,445 CAD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,135 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.64ct lab-grown radiant diamond

This 4.64ct 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 LG660435797 or 660435797. Listed at 5 retailers as of October 28, 2026, with prices from $1,690 to $4,135, a $2,445 spread on the same certified stone. Rare Carat lists it at $4,135. 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

4.64
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660435797
Dimensions11.61 × 8.15 × 5.64 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.61 mm8.15 mm4.64 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660435797
Side View
Table 68.0%Crown 45.2°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 69.2%

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 29
Current: $4,135 CAD|Low: $1,690 CAD|High: $152,318 CAD|Avg: $25,256 CAD|+5.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 2$1,690 CAD
Retailer 4$2,087 CAD
Retailer 5$3,610 CAD
Retailer 3$3,993 CAD
Rare Carat$4,135 CAD
Retailer 7$8,982 CAD
Retailer 6$152,318 CAD

4 data points across 7 retailers

5 retailers$1,690 CAD to $4,135 CAD

A
Cheapest Retailer
-
$1,690 CAD
$1,210 USD
B+
Retailer 2
-
$2,087 CAD
$1,494 USD
View
B
Retailer 3
-
$3,610 CAD
$2,584 USD
View
B
Retailer 4
-
$3,993 CAD
$2,858 USD
View
Most Expensive
B
Rare Carat
27252 · Oct 28
$4,135 CAD
$2,960 USD
View
4 more retailers have this diamond
Prices start from $1,690 CADSave up to $2,445 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
4.64ct Radiant
$1,690 CAD