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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 $739 AUD
$519 USD
As of November 1, 2026
Save $3,085 AUD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,748 AUD 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 November 1, 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
Colour
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

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: Nov 1
Current: $4,748 AUD|Low: $709 AUD|High: $4,798 AUD|Avg: $2,214 AUD|-1.0%
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
November 1, 2026
Retailer 19$739 AUD
Retailer 4$915 AUD
Retailer 11$1,020 AUD
Retailer 13$1,110 AUD
Retailer 18$1,227 AUD
Retailer 15$1,380 AUD
Retailer 12$1,419 AUD
Retailer 14$1,934 AUD
Retailer 16$1,971 AUD
Retailer 17$2,130 AUD
Retailer 9$2,385 AUD
Retailer 6$2,409 AUD
Retailer 3$2,669 AUD
Retailer 8$2,948 AUD
Retailer 7$2,956 AUD
Retailer 10$2,978 AUD
Retailer 5$3,397 AUD
Retailer 2$3,824 AUD
Rare Carat$4,748 AUD

43 data points across 19 retailers

21 retailers$739 AUD to $3,824 AUD

A
Cheapest Retailer
-
$739 AUD
$519 USD
Retailer 2
-
$904 AUD
$635 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$915 AUD
$643 USD
View
Retailer 4
-
$915 AUD
$643 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,020 AUD
HK$5,600 HKD
View
A
Retailer 6
-
$1,110 AUD
$780 USD
View
B+
Retailer 7
-
$1,227 AUD
$862 USD
View
A
Retailer 8
-
$1,380 AUD
€923 EUR
View
A
Retailer 9
-
$1,419 AUD
£785 GBP
View
A
Retailer 10
-
$1,934 AUD
View
Retailer 11
-
$1,971 AUD
ZAR 22,362 ZAR
View
Price last confirmed 9 days ago
A
Retailer 12
-
$2,130 AUD
$1,496 USD
View
B+
Retailer 13
-
$2,385 AUD
$1,675 USD
View
B+
Retailer 14
-
$2,409 AUD
$1,692 USD
View
B+
Retailer 15
-
$2,669 AUD
£1,476 GBP
View
B+
Retailer 16
-
$2,956 AUD
SGD 2,806 SGD
View
B+
Retailer 17
-
$2,978 AUD
$2,092 USD
View
B+
Retailer 18
-
$3,008 AUD
$2,113 USD
View
B+
Retailer 19
-
$3,397 AUD
$2,386 USD
View
B
Retailer 20
-
$3,824 AUD
£2,115 GBP
View
Most Expensive
Rare Carat
ISA-CBF56403 · Oct 18
$4,748 AUD
$3,335 USD
View
Price last confirmed 14 days ago
20 more retailers have this diamond
Prices start from $739 AUDSave up to $3,085 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
3.91ct Emerald
$739 AUD