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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 $415 USD
As of October 27, 2026
Save $1,511 USD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,905 USD 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
Color
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

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: $2,905 USD|Low: $398 USD|High: $2,905 USD|Avg: $1,207 USD
Rare Carat
Retailer 2
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Retailer 20
October 29, 2026
Retailer 19$415 USD
Retailer 10$463 USD
Retailer 3$465 USD
Retailer 12$514 USD
Retailer 20$514 USD
Retailer 17$620 USD
Retailer 5$813 USD
Retailer 4$841 USD
Retailer 2$844 USD
Retailer 13$1,082 USD
Retailer 15$1,116 USD
Retailer 18$1,443 USD
Retailer 8$1,456 USD
Retailer 16$1,653 USD
Retailer 9$1,687 USD
Retailer 6$1,879 USD
Retailer 14$1,900 USD
Retailer 11$1,926 USD
Retailer 7$2,102 USD
Rare Carat$2,905 USD

21 data points across 20 retailers

19 retailers$415 USD to $1,926 USD

A
Cheapest Retailer
-
$415 USD
A
Retailer 2
-
$465 USD
View
Retailer 3
-
$514 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$514 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$620 USD
View
B+
Retailer 6
-
$813 USD
View
A
Retailer 7
-
$841 USD
View
A
Retailer 8
-
$844 USD
£665 GBP
View
A
Retailer 9
-
$1,082 USD
A$1,665 AUD
View
A
Retailer 10
-
$1,116 USD
ZAR 18,035 ZAR
View
Retailer 11
-
$1,443 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$1,456 USD
View
B+
Retailer 13
-
$1,653 USD
View
B+
Retailer 14
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$1,687 USD
View
B+
Retailer 15
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$1,879 USD
View
B+
Retailer 16
-
$1,900 USD
£1,496 GBP
View
B+
Retailer 17
-
$1,926 USD
View
Retailer 18
-
$2,102 USD
A$3,234 AUD
View
Price last confirmed 25 days ago
Most Expensive
Rare Carat
841658939_l_841658939 · Oct 18
$2,905 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from $415 USDSave up to $1,511 USD

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
$415 USD