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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 $1,210 USD
As of October 29, 2026
Save $1,750 USD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,960 USD 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 $1,210 to $2,960, a $1,750 spread on the same certified stone. Rare Carat lists it at $2,960. 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: $2,960 USD|Low: $1,210 USD|High: $109,040 USD|Avg: $18,080 USD|+5.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 2$1,210 USD
Retailer 4$1,494 USD
Retailer 5$2,584 USD
Retailer 3$2,858 USD
Rare Carat$2,960 USD
Retailer 7$6,430 USD
Retailer 6$109,040 USD

4 data points across 7 retailers

5 retailers$1,210 USD to $2,960 USD

A
Cheapest Retailer
-
$1,210 USD
B+
Retailer 2
-
$1,494 USD
View
B
Retailer 3
-
$2,584 USD
View
B
Retailer 4
-
$2,858 USD
View
Most Expensive
B
Rare Carat
27252 · Oct 28
$2,960 USD
View
4 more retailers have this diamond
Prices start from $1,210 USDSave up to $1,750 USD

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
$1,210 USD