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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 $592 AUD
$415 USD
As of October 27, 2026
Save $2,156 AUD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,145 AUD 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

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: Oct 27
Current: $4,145 AUD|Low: $568 AUD|High: $4,145 AUD|Avg: $1,723 AUD
Rare Carat
Retailer 2
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October 29, 2026
Retailer 19$592 AUD
Retailer 10$661 AUD
Retailer 3$664 AUD
Retailer 12$733 AUD
Retailer 20$733 AUD
Retailer 17$885 AUD
Retailer 5$1,160 AUD
Retailer 4$1,200 AUD
Retailer 2$1,204 AUD
Retailer 13$1,544 AUD
Retailer 15$1,593 AUD
Retailer 18$2,059 AUD
Retailer 8$2,078 AUD
Retailer 16$2,359 AUD
Retailer 9$2,408 AUD
Retailer 6$2,681 AUD
Retailer 14$2,711 AUD
Retailer 11$2,748 AUD
Retailer 7$2,999 AUD
Rare Carat$4,145 AUD

21 data points across 20 retailers

19 retailers$592 AUD to $2,748 AUD

A
Cheapest Retailer
-
$592 AUD
$415 USD
A
Retailer 2
-
$664 AUD
$465 USD
View
Retailer 3
-
$733 AUD
$514 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$733 AUD
$514 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$885 AUD
$620 USD
View
B+
Retailer 6
-
$1,160 AUD
$813 USD
View
A
Retailer 7
-
$1,200 AUD
$841 USD
View
A
Retailer 8
-
$1,204 AUD
£665 GBP
View
A
Retailer 9
-
$1,544 AUD
View
A
Retailer 10
-
$1,593 AUD
ZAR 18,035 ZAR
View
Retailer 11
-
$2,059 AUD
$1,443 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$2,078 AUD
$1,456 USD
View
B+
Retailer 13
-
$2,359 AUD
$1,653 USD
View
B+
Retailer 14
-
$2,408 AUD
$1,687 USD
View
B+
Retailer 15
-
$2,681 AUD
$1,879 USD
View
B+
Retailer 16
-
$2,711 AUD
£1,496 GBP
View
B+
Retailer 17
-
$2,748 AUD
$1,926 USD
View
Retailer 18
-
$2,999 AUD
View
Price last confirmed 25 days ago
Most Expensive
Rare Carat
841658939_l_841658939 · Oct 18
$4,145 AUD
$2,905 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from $592 AUDSave up to $2,156 AUD

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
$592 AUD