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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 £763 GBP
$1,022 USD
As of November 1, 2026
Save £1,918 GBP (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,680 GBP 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 £763 to £2,680, a £1,918 spread on the same certified stone. MOH London lists it at £2,680. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,680 GBP|Low: £763 GBP|High: £2,695 GBP|Avg: £1,649 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7£763 GBP
Retailer 4£922 GBP
Retailer 2£1,217 GBP
Retailer 8£1,267 GBP
Retailer 3£1,694 GBP
Retailer 5£1,758 GBP
Retailer 6£2,176 GBP
Retailer 9£2,473 GBP
MOH London£2,680 GBP

16 data points across 9 retailers

9 retailers£763 GBP to £2,680 GBP

A
Cheapest Retailer
-
£763 GBP
$1,022 USD
Final sale: no returns
A
Retailer 2
-
£922 GBP
$1,235 USD
View
A
Retailer 3
-
£1,217 GBP
View
B+
Retailer 4
-
£1,267 GBP
$1,697 USD
View
B
Retailer 5
-
£1,694 GBP
A$3,491 AUD
View
B
Retailer 6
-
£1,758 GBP
$2,356 USD
View
B
Retailer 7
-
£2,176 GBP
$2,916 USD
View
B
Retailer 8
-
£2,473 GBP
$3,313 USD
View
Most Expensive
B
MOH London
LG844668304 · Nov 1
£2,680 GBP
View
8 more retailers have this diamond
Prices start from £763 GBPSave up to £1,918 GBP

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
£763 GBP