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Radiant|Lab Grown|IGI

3.66ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG840645102

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

Certificate IGI LG840645102

Diamond specifications and retailer prices

From $401 USD
As of November 2, 2026
Save $1,812 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,213 USD at With Clarity · As of November 2, 2026
View at With Clarity

About this 3.66ct lab-grown radiant diamond

This 3.66ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840645102 or 840645102. Listed at 12 retailers as of November 2, 2026, with prices from $401 to $2,213, a $1,812 spread on the same certified stone. With Clarity lists it at $2,213. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.66
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840645102
Dimensions10.96 × 7.57 × 5.03 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.96 mm7.57 mm3.66 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840645102
Side View
Table 67.0%Crown 42.6°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $553 USD|Low: $401 USD|High: $2,378 USD|Avg: $1,206 USD|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 2, 2026
Retailer 10$401 USD
Retailer 8$449 USD
Retailer 1$553 USD
Retailer 5$789 USD
Retailer 3$901 USD
Retailer 7$1,047 USD
Retailer 6$1,395 USD
Retailer 9$1,395 USD
Retailer 2$1,598 USD
Retailer 11$1,730 USD
Retailer 4$1,943 USD
With Clarity$2,213 USD

28 data points across 12 retailers

12 retailers$401 USD to $2,213 USD

A
Cheapest Retailer
-
$401 USD
A
Retailer 2
-
$449 USD
View
A
Retailer 3
-
$553 USD
£436 GBP
View
A
Retailer 4
-
$789 USD
€751 EUR
View
A
Retailer 5
-
$901 USD
View
A
Retailer 6
-
$1,047 USD
A$1,610 AUD
View
B+
Retailer 7
-
$1,395 USD
View
A
Retailer 8
-
$1,395 USD
View
A
Retailer 9
-
$1,598 USD
View
B+
Retailer 10
-
$1,730 USD
View
B+
Retailer 11
-
$1,943 USD
£1,530 GBP
View
Most Expensive
B+
With Clarity
840645102 · Nov 2
$2,213 USD
View
11 more retailers have this diamond
Prices start from $401 USDSave up to $1,812 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
3.66ct Radiant
$401 USD