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Emerald|Lab Grown|IGI

4.51ct F VVS1 Emerald Lab Grown Diamond

VG • F/VVS1 • IGI LG844668304

Shape and cutting style on the report: Emerald cut

Certificate IGI LG844668304

Diamond specifications and retailer prices

From $1,813 NZD
$1,022 USD
As of November 1, 2026
Save $4,559 NZD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,373 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 4.51ct lab-grown emerald diamond

This 4.51ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG844668304 or 844668304. Listed at 9 retailers as of November 1, 2026, with prices from $1,813 to $6,373, a $4,559 spread on the same certified stone. MOH London lists it at $6,373. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.51
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844668304
Dimensions11.77 × 7.55 × 4.68 mm
L/W Ratio1.56
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.77 mm7.55 mm4.51 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844668304
Side View
Table 61.0%Crown 32.5°Girdle: ThickPavilion 38.4°Culet: LargeDepth 62.0%

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: Nov 1
Current: $6,373 NZD|Low: $1,813 NZD|High: $6,406 NZD|Avg: $3,921 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$1,813 NZD
Retailer 4$2,191 NZD
Retailer 2$2,893 NZD
Retailer 8$3,011 NZD
Retailer 3$4,026 NZD
Retailer 5$4,180 NZD
Retailer 6$5,174 NZD
Retailer 9$5,878 NZD
MOH London$6,373 NZD

17 data points across 9 retailers

9 retailers$1,813 NZD to $6,373 NZD

A
Cheapest Retailer
-
$1,813 NZD
$1,022 USD
Final sale: no returns
A
Retailer 2
-
$2,191 NZD
$1,235 USD
View
A
Retailer 3
-
$2,893 NZD
£1,284 GBP
View
B+
Retailer 4
-
$3,011 NZD
$1,697 USD
View
B
Retailer 5
-
$4,026 NZD
A$3,491 AUD
View
B
Retailer 6
-
$4,180 NZD
$2,356 USD
View
B
Retailer 7
-
$5,174 NZD
$2,916 USD
View
B
Retailer 8
-
$5,878 NZD
$3,313 USD
View
Most Expensive
B
MOH London
LG844668304 · Nov 1
$6,373 NZD
£2,828 GBP
View
8 more retailers have this diamond
Prices start from $1,813 NZDSave up to $4,559 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
4.51ct Emerald
$1,813 NZD