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Round|Lab Grown|IGI

3.66ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG620415346

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620415346

Diamond specifications and retailer prices

From $657 CAD
$470 USD
As of November 1, 2026
Save $2,335 CAD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,991 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 3.66ct lab-grown round diamond

This 3.66ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620415346 or 620415346. Listed at 11 retailers as of November 1, 2026, with prices from $657 to $2,991, a $2,335 spread on the same certified stone. MOH London lists it at $2,991. 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
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620415346
Dimensions9.75 × 9.71 × 6.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.75 mm9.71 mm3.66 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620415346
Side View
Table 60.0%Crown 35.6°Girdle: ThickPavilion 41.6°Culet: NoneDepth 63.1%

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 1
Current: $2,991 CAD|Low: $657 CAD|High: $3,865 CAD|Avg: $2,035 CAD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 13$657 CAD
Retailer 15$735 CAD
Retailer 16$1,037 CAD
Retailer 9$1,155 CAD
Retailer 2$1,188 CAD
Retailer 14$1,273 CAD
Retailer 11$1,278 CAD
Retailer 6$1,685 CAD
Retailer 10$1,720 CAD
Retailer 8$1,954 CAD
Retailer 12$2,189 CAD
Retailer 3$2,262 CAD
Retailer 4$2,789 CAD
Retailer 17$2,990 CAD
MOH London$2,991 CAD
Retailer 7$3,759 CAD
Retailer 5$3,865 CAD

21 data points across 17 retailers

11 retailers$657 CAD to $2,991 CAD

A
Cheapest Retailer
-
$657 CAD
$470 USD
A
Retailer 2
-
$735 CAD
$526 USD
View
Final sale: no returns
A
Retailer 3
-
$735 CAD
$526 USD
View
A
Retailer 4
-
$1,037 CAD
HK$5,800 HKD
View
A
Retailer 5
-
$1,188 CAD
€810 EUR
View
B+
Retailer 6
-
$1,273 CAD
$911 USD
View
A
Retailer 7
-
$1,278 CAD
$915 USD
View
B+
Retailer 8
-
$1,720 CAD
A$1,894 AUD
View
B+
Retailer 9
-
$2,189 CAD
$1,567 USD
View
B
Retailer 10
-
$2,616 CAD
$1,873 USD
View
Most Expensive
B
MOH London
LG620415346 · Nov 1
$2,991 CAD
£1,686 GBP
View
10 more retailers have this diamond
Prices start from $657 CADSave up to $2,335 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
3.66ct Round
$657 CAD