Emerald|Lab Grown|IGI

3.90ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG604380856

Shape and cutting style on the report: Emerald cut

Certificate IGI LG604380856

Diamond specifications and retailer prices

From $802 NZD
$452 USD
As of October 30, 2026
Save $5,373 NZD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,175 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.9ct lab-grown emerald diamond

This 3.9ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG604380856 or 604380856. Listed at 18 retailers as of October 30, 2026, with prices from $802 to $6,175, a $5,373 spread on the same certified stone. Brilliant Earth lists it at $6,175. 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

3.90
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604380856
Dimensions10.36 × 7.40 × 5.04 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.36 mm7.40 mm3.90 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604380856
Side View
Table 64.0%Crown 35.4°Girdle: MediumPavilion 39°Culet: LNGDepth 68.1%

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: $6,175 NZD|Low: $770 NZD|High: $8,641 NZD|Avg: $2,409 NZD|-28.5%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 8$802 NZD
Retailer 17$898 NZD
Retailer 4$994 NZD
Retailer 19$994 NZD
Retailer 9$1,024 NZD
Retailer 5$1,556 NZD
Retailer 16$1,561 NZD
Retailer 13$1,567 NZD
Retailer 2$1,645 NZD
Retailer 3$1,718 NZD
Retailer 12$2,100 NZD
Retailer 15$2,158 NZD
Retailer 11$2,567 NZD
Retailer 18$2,672 NZD
Retailer 7$3,196 NZD
Retailer 6$3,252 NZD
Retailer 14$3,671 NZD
Retailer 10$3,721 NZD
Brilliant Earth$6,175 NZD

38 data points across 19 retailers

18 retailers$802 NZD to $6,175 NZD

A
Cheapest Retailer
-
$802 NZD
$452 USD
A
Retailer 2
-
$898 NZD
$506 USD
View
A
Retailer 3
-
$994 NZD
$560 USD
View
Retailer 4
-
$994 NZD
$560 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$1,556 NZD
$877 USD
View
A
Retailer 6
-
$1,561 NZD
$880 USD
View
A
Retailer 7
-
$1,567 NZD
€841 EUR
View
A
Retailer 8
-
$1,645 NZD
£730 GBP
View
A
Retailer 9
-
$1,718 NZD
$968 USD
View
A
Retailer 10
-
$2,100 NZD
A$1,821 AUD
View
A
Retailer 11
-
$2,158 NZD
ZAR 19,650 ZAR
View
A
Retailer 12
-
$2,567 NZD
$1,447 USD
View
B+
Retailer 13
-
$2,672 NZD
$1,506 USD
View
B+
Retailer 14
-
$3,196 NZD
$1,801 USD
View
B+
Retailer 15
-
$3,252 NZD
$1,833 USD
View
B+
Retailer 16
-
$3,671 NZD
£1,629 GBP
View
B+
Retailer 17
-
$3,721 NZD
$2,097 USD
View
Most Expensive
B
Brilliant Earth
8376478A · Oct 30
$6,175 NZD
$3,480 USD
View
17 more retailers have this diamond
Prices start from $802 NZDSave up to $5,373 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
3.90ct Emerald
$802 NZD