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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 €358 EUR
$401 USD
As of November 2, 2026
Save €1,616 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,973 EUR 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 €358 to €1,973, a €1,616 spread on the same certified stone. With Clarity lists it at €1,973. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €493 EUR|Low: €358 EUR|High: €2,120 EUR|Avg: €1,075 EUR|-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€358 EUR
Retailer 8€400 EUR
Retailer 1€493 EUR
Retailer 5€703 EUR
Retailer 3€803 EUR
Retailer 7€933 EUR
Retailer 6€1,244 EUR
Retailer 9€1,244 EUR
Retailer 2€1,425 EUR
Retailer 11€1,542 EUR
Retailer 4€1,732 EUR
With Clarity€1,973 EUR

28 data points across 12 retailers

12 retailers€358 EUR to €1,973 EUR

A
Cheapest Retailer
-
€358 EUR
$401 USD
A
Retailer 2
-
€400 EUR
$449 USD
View
A
Retailer 3
-
€493 EUR
£436 GBP
View
A
Retailer 4
-
€703 EUR
View
A
Retailer 5
-
€803 EUR
$901 USD
View
A
Retailer 6
-
€933 EUR
A$1,610 AUD
View
B+
Retailer 7
-
€1,244 EUR
$1,395 USD
View
A
Retailer 8
-
€1,244 EUR
$1,395 USD
View
A
Retailer 9
-
€1,425 EUR
$1,598 USD
View
B+
Retailer 10
-
€1,542 EUR
$1,730 USD
View
B+
Retailer 11
-
€1,732 EUR
£1,530 GBP
View
Most Expensive
B+
With Clarity
840645102 · Nov 2
€1,973 EUR
$2,213 USD
View
11 more retailers have this diamond
Prices start from €358 EURSave up to €1,616 EUR

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
€358 EUR