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 $1,107 NZD
$624 USD
As of October 30, 2026
Save $11,579 NZD (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,686 NZD 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 $1,107 to $12,686, a $11,579 spread on the same certified stone. Brilliant Earth lists it at $12,686. 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: $12,686 NZD|Low: $924 NZD|High: $12,952 NZD|Avg: $3,597 NZD|-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 10$1,107 NZD
Retailer 4$1,240 NZD
Retailer 9$1,240 NZD
Retailer 5$1,373 NZD
Retailer 8$1,373 NZD
Retailer 2$1,597 NZD
Retailer 7$1,726 NZD
Retailer 13$1,815 NZD
Retailer 3$1,911 NZD
Retailer 15$2,358 NZD
Retailer 12$3,068 NZD
Retailer 14$4,383 NZD
Retailer 11$6,414 NZD
Retailer 6$9,830 NZD
Brilliant Earth$12,686 NZD

24 data points across 15 retailers

16 retailers$1,107 NZD to $12,686 NZD

A
Cheapest Retailer
-
$1,107 NZD
$624 USD
A
Retailer 2
-
$1,240 NZD
$699 USD
View
Final sale: no returns
A
Retailer 3
-
$1,240 NZD
$699 USD
View
A
Retailer 4
-
$1,373 NZD
$774 USD
View
Retailer 5
-
$1,373 NZD
$774 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$1,597 NZD
$900 USD
View
B+
Retailer 7
-
$1,815 NZD
$1,023 USD
View
A
Retailer 8
-
$1,911 NZD
$1,077 USD
View
A
Retailer 9
-
$2,358 NZD
$1,329 USD
View
B+
Retailer 10
-
$3,068 NZD
$1,729 USD
View
Retailer 11
-
$3,164 NZD
$1,783 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$4,383 NZD
$2,470 USD
View
Retailer 13
-
$6,050 NZD
$3,410 USD
View
Price last confirmed 25 days ago
Retailer 14
-
$6,414 NZD
$3,615 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$9,830 NZD
$5,540 USD
View
Most Expensive
B
Brilliant Earth
20126214A · Oct 31
$12,686 NZD
$7,150 USD
View
15 more retailers have this diamond
Prices start from $1,107 NZDSave up to $11,579 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
3.91ct Emerald
$1,107 NZD