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Emerald|Lab Grown|IGI

3.91ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG645499438

Shape and cutting style on the report: Emerald cut

Certificate IGI LG645499438

Diamond specifications and retailer prices

From $747 NZD
$421 USD
As of October 27, 2026
Save $5,889 NZD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,636 NZD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.91ct lab-grown emerald diamond

This 3.91ct 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 LG645499438 or 645499438. Listed at 9 retailers as of October 27, 2026, with prices from $747 to $6,636, a $5,889 spread on the same certified stone. Do Amore Diamonds lists it at $6,636. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645499438
Dimensions10.89 × 7.32 × 4.96 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.89 mm7.32 mm3.91 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645499438
Side View
Table 65.0%Crown 36.3°Girdle: MediumPavilion 40.2°Culet: LargeDepth 67.8%

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 27
Current: $6,636 NZD|Low: $747 NZD|High: $8,552 NZD|Avg: $3,454 NZD|-10.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 7$747 NZD
Retailer 4$837 NZD
Retailer 8$1,462 NZD
Retailer 2$1,464 NZD
Retailer 5$2,176 NZD
Retailer 6$2,598 NZD
Retailer 9$3,288 NZD
Retailer 3$3,761 NZD
Do Amore Diamonds$6,636 NZD
Retailer 10$8,552 NZD

20 data points across 10 retailers

9 retailers$747 NZD to $6,636 NZD

A
Cheapest Retailer
-
$747 NZD
$421 USD
A
Retailer 2
-
$837 NZD
$472 USD
View
B+
Retailer 3
-
$1,462 NZD
$824 USD
View
A
Retailer 4
-
$1,464 NZD
$825 USD
View
Retailer 5
-
$2,176 NZD
A$1,887 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$2,598 NZD
$1,464 USD
View
B+
Retailer 7
-
$3,288 NZD
$1,853 USD
View
B+
Retailer 8
-
$3,761 NZD
£1,669 GBP
View
Most Expensive
B
Do Amore Diamonds
27-1E9EE753E · Oct 28
$6,636 NZD
$3,740 USD
View
8 more retailers have this diamond
Prices start from $747 NZDSave up to $5,889 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
$747 NZD