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Emerald|Lab Grown|IGI

3.66ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG621431858

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621431858

Diamond specifications and retailer prices

From $624 NZD
$351 USD
As of October 27, 2026
Save $4,904 NZD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,527 NZD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.66ct lab-grown emerald diamond

This 3.66ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621431858 or 621431858. Listed at 10 retailers as of October 27, 2026, with prices from $624 to $5,527, a $4,904 spread on the same certified stone. Do Amore Diamonds lists it at $5,527. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.66
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621431858
Dimensions10.51 × 7.14 × 4.83 mm
L/W Ratio1.47
Culet sizeLarge
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
10.51 mm7.14 mm3.66 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621431858
Side View
Table 66.0%Crown 36.6°Girdle: MediumPavilion 41.5°Culet: LargeDepth 67.6%

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: Oct 27
Current: $5,527 NZD|Low: $624 NZD|High: $6,007 NZD|Avg: $2,515 NZD|-8.0%
Do Amore Diamonds
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
October 28, 2026
Retailer 10$624 NZD
Retailer 8$723 NZD
Retailer 3$748 NZD
Retailer 5$1,126 NZD
Retailer 11$1,242 NZD
Retailer 2$1,244 NZD
Retailer 4$1,609 NZD
Retailer 9$2,266 NZD
Retailer 12$2,336 NZD
Retailer 13$2,742 NZD
Retailer 7$3,338 NZD
Retailer 14$4,781 NZD
Retailer 6$5,231 NZD
Do Amore Diamonds$5,527 NZD

23 data points across 14 retailers

10 retailers$624 NZD to $5,527 NZD

A
Cheapest Retailer
-
$624 NZD
$351 USD
A
Retailer 2
-
$723 NZD
$407 USD
View
Retailer 3
-
$1,242 NZD
$699 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$1,244 NZD
$700 USD
View
Price last confirmed 5 days ago
Retailer 5
-
$2,266 NZD
$1,275 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$2,336 NZD
$1,314 USD
View
Retailer 7
-
$2,742 NZD
$1,543 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$3,338 NZD
£1,479 GBP
View
B
Retailer 9
-
$4,781 NZD
$2,690 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-28B3EAC4A · Oct 28
$5,527 NZD
$3,110 USD
View
9 more retailers have this diamond
Prices start from $624 NZDSave up to $4,904 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 Emerald
$624 NZD