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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 $449 SGD
$351 USD
As of October 27, 2026
Save $3,528 SGD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,977 SGD 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 $449 to $3,977, a $3,528 spread on the same certified stone. Do Amore Diamonds lists it at $3,977. 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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $3,977 SGD|Low: $449 SGD|High: $4,323 SGD|Avg: $1,809 SGD|-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$449 SGD
Retailer 8$521 SGD
Retailer 3$538 SGD
Retailer 5$810 SGD
Retailer 11$894 SGD
Retailer 2$895 SGD
Retailer 4$1,158 SGD
Retailer 9$1,631 SGD
Retailer 12$1,681 SGD
Retailer 13$1,973 SGD
Retailer 7$2,402 SGD
Retailer 14$3,440 SGD
Retailer 6$3,764 SGD
Do Amore Diamonds$3,977 SGD

23 data points across 14 retailers

10 retailers$449 SGD to $3,977 SGD

A
Cheapest Retailer
-
$449 SGD
$351 USD
A
Retailer 2
-
$521 SGD
$407 USD
View
Retailer 3
-
$894 SGD
$699 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$895 SGD
$700 USD
View
Price last confirmed 5 days ago
Retailer 5
-
$1,631 SGD
$1,275 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$1,681 SGD
$1,314 USD
View
Retailer 7
-
$1,973 SGD
$1,543 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$2,402 SGD
£1,479 GBP
View
B
Retailer 9
-
$3,440 SGD
$2,690 USD
View
Most Expensive
B
Do Amore Diamonds
27-28B3EAC4A · Oct 28
$3,977 SGD
$3,110 USD
View
9 more retailers have this diamond
Prices start from $449 SGDSave up to $3,528 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 Emerald
$449 SGD