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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 $835 NZD
$470 USD
As of November 1, 2026
Save $2,970 NZD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,806 NZD 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 $835 to $3,806, a $2,970 spread on the same certified stone. MOH London lists it at $3,806. 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

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: $3,806 NZD|Low: $835 NZD|High: $4,918 NZD|Avg: $2,585 NZD|-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$835 NZD
Retailer 15$935 NZD
Retailer 16$1,319 NZD
Retailer 9$1,469 NZD
Retailer 2$1,519 NZD
Retailer 14$1,619 NZD
Retailer 11$1,626 NZD
Retailer 6$2,143 NZD
Retailer 10$2,188 NZD
Retailer 8$2,486 NZD
Retailer 12$2,785 NZD
Retailer 3$2,878 NZD
Retailer 4$3,548 NZD
Retailer 17$3,804 NZD
MOH London$3,806 NZD
Retailer 7$4,783 NZD
Retailer 5$4,918 NZD

22 data points across 17 retailers

11 retailers$835 NZD to $3,806 NZD

A
Cheapest Retailer
-
$835 NZD
$470 USD
A
Retailer 2
-
$935 NZD
$526 USD
View
Final sale: no returns
A
Retailer 3
-
$935 NZD
$526 USD
View
A
Retailer 4
-
$1,319 NZD
HK$5,800 HKD
View
A
Retailer 5
-
$1,519 NZD
€814 EUR
View
B+
Retailer 6
-
$1,619 NZD
$911 USD
View
A
Retailer 7
-
$1,626 NZD
$915 USD
View
B+
Retailer 8
-
$2,188 NZD
A$1,894 AUD
View
B+
Retailer 9
-
$2,785 NZD
$1,567 USD
View
B
Retailer 10
-
$3,329 NZD
$1,873 USD
View
Most Expensive
B
MOH London
LG620415346 · Nov 1
$3,806 NZD
£1,686 GBP
View
10 more retailers have this diamond
Prices start from $835 NZDSave up to $2,970 NZD

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
$835 NZD