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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 $738 NZD
$415 USD
As of October 27, 2026
Save $2,686 NZD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,163 NZD 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: $5,163 NZD|Low: $707 NZD|High: $5,163 NZD|Avg: $2,146 NZD
Rare Carat
Retailer 2
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Retailer 20
October 29, 2026
Retailer 19$738 NZD
Retailer 10$823 NZD
Retailer 3$826 NZD
Retailer 12$914 NZD
Retailer 20$914 NZD
Retailer 17$1,102 NZD
Retailer 5$1,445 NZD
Retailer 4$1,495 NZD
Retailer 2$1,500 NZD
Retailer 13$1,923 NZD
Retailer 15$1,984 NZD
Retailer 18$2,565 NZD
Retailer 8$2,588 NZD
Retailer 16$2,938 NZD
Retailer 9$2,999 NZD
Retailer 6$3,339 NZD
Retailer 14$3,377 NZD
Retailer 11$3,423 NZD
Retailer 7$3,736 NZD
Rare Carat$5,163 NZD

21 data points across 20 retailers

19 retailers$738 NZD to $3,423 NZD

A
Cheapest Retailer
-
$738 NZD
$415 USD
A
Retailer 2
-
$826 NZD
$465 USD
View
Retailer 3
-
$914 NZD
$514 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$914 NZD
$514 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$1,102 NZD
$620 USD
View
B+
Retailer 6
-
$1,445 NZD
$813 USD
View
A
Retailer 7
-
$1,495 NZD
$841 USD
View
A
Retailer 8
-
$1,500 NZD
£665 GBP
View
A
Retailer 9
-
$1,923 NZD
A$1,665 AUD
View
A
Retailer 10
-
$1,984 NZD
ZAR 18,035 ZAR
View
Retailer 11
-
$2,565 NZD
$1,443 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$2,588 NZD
$1,456 USD
View
B+
Retailer 13
-
$2,938 NZD
$1,653 USD
View
B+
Retailer 14
-
$2,999 NZD
$1,687 USD
View
B+
Retailer 15
-
$3,339 NZD
$1,879 USD
View
B+
Retailer 16
-
$3,377 NZD
£1,496 GBP
View
B+
Retailer 17
-
$3,423 NZD
$1,926 USD
View
Retailer 18
-
$3,736 NZD
A$3,234 AUD
View
Price last confirmed 25 days ago
Most Expensive
Rare Carat
841658939_l_841658939 · Oct 18
$5,163 NZD
$2,905 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from $738 NZDSave up to $2,686 NZD

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
$738 NZD