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Emerald|Lab Grown|IGI

3.91ct F VS1 Emerald Lab Grown Diamond

EX • F/VS1 • IGI LG833662936

Shape and cutting style on the report: Emerald cut

Certificate IGI LG833662936

Diamond specifications and retailer prices

From $519 USD
As of October 30, 2026
Save $2,167 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,335 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.91ct lab-grown emerald diamond

This 3.91ct 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 LG833662936 or 833662936. Listed at 21 retailers as of October 30, 2026, with a 418% 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

3.91
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833662936
Dimensions10.50 × 7.44 × 5.06 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.50 mm7.44 mm3.91 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833662936
Side View
Table 64.0%Crown 37.6°Girdle: Slightly ThickPavilion 42.9°Culet: LargeDepth 68.0%

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 30
Current: $3,335 USD|Low: $498 USD|High: $3,370 USD|Avg: $1,553 USD|-1.0%
Rare Carat
Retailer 2
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Retailer 19
November 1, 2026
Retailer 19$519 USD
Retailer 4$643 USD
Retailer 11$717 USD
Retailer 13$780 USD
Retailer 18$862 USD
Retailer 15$969 USD
Retailer 12$997 USD
Retailer 14$1,359 USD
Retailer 16$1,384 USD
Retailer 17$1,496 USD
Retailer 9$1,675 USD
Retailer 6$1,692 USD
Retailer 3$1,875 USD
Retailer 8$2,071 USD
Retailer 7$2,076 USD
Retailer 10$2,092 USD
Retailer 5$2,386 USD
Retailer 2$2,686 USD
Rare Carat$3,335 USD

44 data points across 19 retailers

21 retailers$519 USD to $2,686 USD

A
Cheapest Retailer
-
$519 USD
Retailer 2
-
$635 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$643 USD
View
Retailer 4
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$643 USD
View
Price last confirmed 16 days ago
A
Retailer 5
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$717 USD
HK$5,600 HKD
View
A
Retailer 6
-
$780 USD
View
B+
Retailer 7
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$862 USD
View
A
Retailer 8
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$969 USD
€923 EUR
View
A
Retailer 9
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$997 USD
£785 GBP
View
A
Retailer 10
-
$1,359 USD
A$2,090 AUD
View
Retailer 11
-
$1,384 USD
ZAR 22,362 ZAR
View
Price last confirmed 8 days ago
A
Retailer 12
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$1,496 USD
View
B+
Retailer 13
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$1,675 USD
View
B+
Retailer 14
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$1,692 USD
View
B+
Retailer 15
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$1,875 USD
£1,476 GBP
View
B+
Retailer 16
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$2,076 USD
SGD 2,806 SGD
View
B+
Retailer 17
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$2,092 USD
View
B+
Retailer 18
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$2,113 USD
View
B+
Retailer 19
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$2,386 USD
View
B
Retailer 20
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$2,686 USD
£2,115 GBP
View
Most Expensive
Rare Carat
ISA-CBF56403 · Oct 18
$3,335 USD
View
Price last confirmed 14 days ago
20 more retailers have this diamond
Prices start from $519 USDSave up to $2,167 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
3.91ct Emerald
$519 USD