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Emerald|Lab Grown|IGI

5.51ct H VS2 Emerald Lab Grown Diamond

EX • H/VS2 • IGI LG848694444

Shape and cutting style on the report: Emerald cut

Certificate IGI LG848694444

Diamond specifications and retailer prices

From £574 GBP
$764 USD
As of October 29, 2026
Save £4,176 GBP (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,750 GBP at Helzberg Diamonds · As of October 28, 2026
View at Helzberg Diamonds

About this 5.51ct lab-grown emerald diamond

This 5.51ct lab-grown emerald sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848694444 or 848694444. Listed at 8 retailers as of October 28, 2026, with prices from £574 to £4,750, a £4,176 spread on the same certified stone. Helzberg Diamonds lists it at £4,750. 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

5.51
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848694444
Dimensions12.39 × 8.13 × 5.61 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.39 mm8.13 mm5.51 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848694444
Side View
Table 64.0%Crown 34.4°Girdle: MediumPavilion 42.9°Culet: LargeDepth 69.0%

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: Oct 29
Current: £4,750 GBP|Low: £574 GBP|High: £4,750 GBP|Avg: £1,828 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3£574 GBP
Retailer 5£682 GBP
Retailer 2£706 GBP
Retailer 7£822 GBP
Retailer 4£933 GBP
Retailer 8£1,969 GBP
Retailer 6£1,978 GBP
Helzberg Diamonds£4,750 GBP

2 data points across 8 retailers

8 retailers£574 GBP to £4,750 GBP

A
Cheapest Retailer
-
£574 GBP
$764 USD
A
Retailer 2
-
£682 GBP
HK$7,100 HKD
View
Retailer 3
-
£706 GBP
$940 USD
View
B+
Retailer 4
-
£822 GBP
$1,095 USD
View
A
Retailer 5
-
£933 GBP
$1,242 USD
View
B
Retailer 6
-
£1,969 GBP
SGD 3,544 SGD
View
B
Retailer 7
-
£1,978 GBP
$2,635 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKOMPKKKK · Oct 28
£4,750 GBP
$6,325 USD
View
7 more retailers have this diamond
Prices start from £574 GBPSave up to £4,176 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
5.51ct Emerald
£574 GBP