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Emerald|Lab Grown|IGI

3.66ct F VS1 Emerald Lab Grown Diamond

EX • F/VS1 • IGI LG841658939

Shape and cutting style on the report: Emerald cut

Certificate IGI LG841658939

Diamond specifications and retailer prices

From $531 SGD
$415 USD
As of October 27, 2026
Save $1,932 SGD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,715 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.66ct lab-grown emerald diamond

This 3.66ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841658939 or 841658939. Listed at 19 retailers as of October 27, 2026, with a 364% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841658939
Dimensions10.03 × 7.23 × 5.06 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.03 mm7.23 mm3.66 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841658939
Side View
Table 64.0%Crown 36.6°Girdle: MediumPavilion 37.2°Culet: LargeDepth 70.0%

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: Oct 27
Current: $3,715 SGD|Low: $509 SGD|High: $3,715 SGD|Avg: $1,544 SGD
Rare Carat
Retailer 2
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Retailer 12
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Retailer 20
October 29, 2026
Retailer 19$531 SGD
Retailer 10$592 SGD
Retailer 3$595 SGD
Retailer 12$657 SGD
Retailer 20$657 SGD
Retailer 17$793 SGD
Retailer 5$1,040 SGD
Retailer 4$1,076 SGD
Retailer 2$1,079 SGD
Retailer 13$1,384 SGD
Retailer 15$1,428 SGD
Retailer 18$1,845 SGD
Retailer 8$1,862 SGD
Retailer 16$2,114 SGD
Retailer 9$2,158 SGD
Retailer 6$2,403 SGD
Retailer 14$2,430 SGD
Retailer 11$2,463 SGD
Retailer 7$2,688 SGD
Rare Carat$3,715 SGD

21 data points across 20 retailers

19 retailers$531 SGD to $2,463 SGD

A
Cheapest Retailer
-
$531 SGD
$415 USD
A
Retailer 2
-
$595 SGD
$465 USD
View
Retailer 3
-
$657 SGD
$514 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$657 SGD
$514 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$793 SGD
$620 USD
View
B+
Retailer 6
-
$1,040 SGD
$813 USD
View
A
Retailer 7
-
$1,076 SGD
$841 USD
View
A
Retailer 8
-
$1,079 SGD
£665 GBP
View
A
Retailer 9
-
$1,384 SGD
A$1,665 AUD
View
A
Retailer 10
-
$1,428 SGD
ZAR 18,035 ZAR
View
Retailer 11
-
$1,845 SGD
$1,443 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$1,862 SGD
$1,456 USD
View
B+
Retailer 13
-
$2,114 SGD
$1,653 USD
View
B+
Retailer 14
-
$2,158 SGD
$1,687 USD
View
B+
Retailer 15
-
$2,403 SGD
$1,879 USD
View
B+
Retailer 16
-
$2,430 SGD
£1,496 GBP
View
B+
Retailer 17
-
$2,463 SGD
$1,926 USD
View
Retailer 18
-
$2,688 SGD
A$3,234 AUD
View
Price last confirmed 24 days ago
Most Expensive
Rare Carat
841658939_l_841658939 · Oct 18
$3,715 SGD
$2,905 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from $531 SGDSave up to $1,932 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
$531 SGD