CaratHunter
Plans
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 €370 EUR
$415 USD
As of October 27, 2026
Save €1,347 EUR (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,590 EUR 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €2,590 EUR|Low: €355 EUR|High: €2,590 EUR|Avg: €1,076 EUR
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 19€370 EUR
Retailer 10€413 EUR
Retailer 3€415 EUR
Retailer 12€458 EUR
Retailer 20€458 EUR
Retailer 17€553 EUR
Retailer 5€725 EUR
Retailer 4€750 EUR
Retailer 2€752 EUR
Retailer 13€965 EUR
Retailer 15€995 EUR
Retailer 18€1,287 EUR
Retailer 8€1,298 EUR
Retailer 16€1,474 EUR
Retailer 9€1,504 EUR
Retailer 6€1,675 EUR
Retailer 14€1,694 EUR
Retailer 11€1,717 EUR
Retailer 7€1,874 EUR
Rare Carat€2,590 EUR

21 data points across 20 retailers

19 retailers€370 EUR to €1,717 EUR

A
Cheapest Retailer
-
€370 EUR
$415 USD
A
Retailer 2
-
€415 EUR
$465 USD
View
Retailer 3
-
€458 EUR
$514 USD
View
Price last confirmed 8 days ago
Retailer 4
-
€458 EUR
$514 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€553 EUR
$620 USD
View
B+
Retailer 6
-
€725 EUR
$813 USD
View
A
Retailer 7
-
€750 EUR
$841 USD
View
A
Retailer 8
-
€752 EUR
£665 GBP
View
A
Retailer 9
-
€965 EUR
A$1,665 AUD
View
A
Retailer 10
-
€995 EUR
ZAR 18,035 ZAR
View
Retailer 11
-
€1,287 EUR
$1,443 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
€1,298 EUR
$1,456 USD
View
B+
Retailer 13
-
€1,474 EUR
$1,653 USD
View
B+
Retailer 14
-
€1,504 EUR
$1,687 USD
View
B+
Retailer 15
-
€1,675 EUR
$1,879 USD
View
B+
Retailer 16
-
€1,694 EUR
£1,496 GBP
View
B+
Retailer 17
-
€1,717 EUR
$1,926 USD
View
Retailer 18
-
€1,874 EUR
A$3,234 AUD
View
Price last confirmed 25 days ago
Most Expensive
Rare Carat
841658939_l_841658939 · Oct 18
€2,590 EUR
$2,905 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from €370 EURSave up to €1,347 EUR

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
€370 EUR