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Emerald|Lab Grown|IGI

3.45ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG618415359

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG618415359

Diamond specifications and retailer prices

From $1,252 NZD
£556 GBP
As of October 30, 2026
Save $3,322 NZD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,574 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 3.45ct lab-grown emerald diamond

This 3.45ct lab-grown emerald sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618415359 or 618415359. Listed at 9 retailers as of October 25, 2026, with prices from $1,252 to $4,574, a $3,322 spread on the same certified stone. MOH London lists it at $4,574. 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

3.45
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618415359
Dimensions8.13 × 8.11 × 5.53 mm
L/W Ratio1.00
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
8.13 mm8.11 mm3.45 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618415359
Side View
Table 64.0%Crown 38.7°Girdle: MED-STKPavilion 43°Culet: NoneDepth 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: $4,574 NZD|Low: $1,248 NZD|High: $4,592 NZD|Avg: $2,670 NZD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,252 NZD
Retailer 5$1,402 NZD
Retailer 8$1,797 NZD
Retailer 7$2,205 NZD
Retailer 3$2,452 NZD
Retailer 4$2,521 NZD
Retailer 9$3,669 NZD
Retailer 6$4,152 NZD
MOH London$4,574 NZD

12 data points across 9 retailers

9 retailers$1,252 NZD to $4,574 NZD

A
Cheapest Retailer
-
$1,252 NZD
£556 GBP
A
Retailer 2
-
$1,402 NZD
$790 USD
View
B+
Retailer 3
-
$1,797 NZD
$1,013 USD
View
A
Retailer 4
-
$2,205 NZD
$1,243 USD
View
A
Retailer 5
-
$2,452 NZD
A$2,126 AUD
View
A
Retailer 6
-
$2,521 NZD
ZAR 22,957 ZAR
View
B
Retailer 7
-
$3,669 NZD
$2,068 USD
View
B+
Retailer 8
-
$4,152 NZD
$2,340 USD
View
Most Expensive
B
MOH London
LG618415359 · Oct 25
$4,574 NZD
£2,030 GBP
View
8 more retailers have this diamond
Prices start from $1,252 NZDSave up to $3,322 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
3.45ct Emerald
$1,252 NZD