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Emerald|Lab Grown|IGI

3.91ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG640483476

Shape and cutting style on the report: Emerald cut

Certificate IGI LG640483476

Diamond specifications and retailer prices

From HK$4,896 HKD
$624 USD
As of October 30, 2026
Save HK$51,201 HKD (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$56,097 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG640483476 or 640483476. Listed at 16 retailers as of October 30, 2026, with prices from HK$4,896 to HK$56,097, a HK$51,201 spread on the same certified stone. Brilliant Earth lists it at HK$56,097. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640483476
Dimensions11.20 × 7.23 × 4.93 mm
L/W Ratio1.55
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm7.23 mm3.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640483476
Side View
Table 64.0%Crown 33°Girdle: MediumPavilion 41.3°Culet: LNGDepth 68.2%

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 30
Current: HK$56,097 HKD|Low: HK$4,088 HKD|High: HK$57,274 HKD|Avg: HK$15,906 HKD|-2.1%
Brilliant Earth
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
October 31, 2026
Retailer 10HK$4,896 HKD
Retailer 4HK$5,484 HKD
Retailer 9HK$5,484 HKD
Retailer 5HK$6,073 HKD
Retailer 8HK$6,073 HKD
Retailer 2HK$7,061 HKD
Retailer 7HK$7,632 HKD
Retailer 13HK$8,026 HKD
Retailer 3HK$8,450 HKD
Retailer 15HK$10,427 HKD
Retailer 12HK$13,565 HKD
Retailer 14HK$19,379 HKD
Retailer 11HK$28,362 HKD
Retailer 6HK$43,465 HKD
Brilliant EarthHK$56,097 HKD

24 data points across 15 retailers

16 retailersHK$4,896 HKD to HK$56,097 HKD

A
Cheapest Retailer
-
HK$4,896 HKD
$624 USD
A
Retailer 2
-
HK$5,484 HKD
$699 USD
View
Final sale: no returns
A
Retailer 3
-
HK$5,484 HKD
$699 USD
View
A
Retailer 4
-
HK$6,073 HKD
$774 USD
View
Retailer 5
-
HK$6,073 HKD
$774 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
HK$7,061 HKD
$900 USD
View
B+
Retailer 7
-
HK$8,026 HKD
$1,023 USD
View
A
Retailer 8
-
HK$8,450 HKD
$1,077 USD
View
A
Retailer 9
-
HK$10,427 HKD
$1,329 USD
View
B+
Retailer 10
-
HK$13,565 HKD
$1,729 USD
View
Retailer 11
-
HK$13,989 HKD
$1,783 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
HK$19,379 HKD
$2,470 USD
View
Retailer 13
-
HK$26,754 HKD
$3,410 USD
View
Price last confirmed 25 days ago
Retailer 14
-
HK$28,362 HKD
$3,615 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
HK$43,465 HKD
$5,540 USD
View
Most Expensive
B
Brilliant Earth
20126214A · Oct 31
HK$56,097 HKD
$7,150 USD
View
15 more retailers have this diamond
Prices start from HK$4,896 HKDSave up to HK$51,201 HKD

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
HK$4,896 HKD