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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 $601 SGD
$470 USD
As of November 1, 2026
Save $2,137 SGD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,738 SGD 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 $601 to $2,738, a $2,137 spread on the same certified stone. MOH London lists it at $2,738. 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
Colour
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

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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 1
Current: $2,738 SGD|Low: $601 SGD|High: $3,539 SGD|Avg: $1,860 SGD|-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 2, 2026
Retailer 13$601 SGD
Retailer 15$673 SGD
Retailer 16$949 SGD
Retailer 9$1,057 SGD
Retailer 2$1,093 SGD
Retailer 14$1,165 SGD
Retailer 11$1,170 SGD
Retailer 6$1,542 SGD
Retailer 10$1,574 SGD
Retailer 8$1,789 SGD
Retailer 12$2,004 SGD
Retailer 3$2,071 SGD
Retailer 4$2,553 SGD
Retailer 17$2,737 SGD
MOH London$2,738 SGD
Retailer 7$3,441 SGD
Retailer 5$3,539 SGD

22 data points across 17 retailers

11 retailers$601 SGD to $2,738 SGD

A
Cheapest Retailer
-
$601 SGD
$470 USD
A
Retailer 2
-
$673 SGD
$526 USD
View
Final sale: no returns
A
Retailer 3
-
$673 SGD
$526 USD
View
A
Retailer 4
-
$949 SGD
HK$5,800 HKD
View
A
Retailer 5
-
$1,093 SGD
€814 EUR
View
B+
Retailer 6
-
$1,165 SGD
$911 USD
View
A
Retailer 7
-
$1,170 SGD
$915 USD
View
B+
Retailer 8
-
$1,574 SGD
A$1,894 AUD
View
B+
Retailer 9
-
$2,004 SGD
$1,567 USD
View
B
Retailer 10
-
$2,395 SGD
$1,873 USD
View
Most Expensive
B
MOH London
LG620415346 · Nov 1
$2,738 SGD
£1,686 GBP
View
10 more retailers have this diamond
Prices start from $601 SGDSave up to $2,137 SGD

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
$601 SGD