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Emerald|Lab Grown|IGI

0.51ct D VS1 Emerald Lab Grown Diamond

ID • D/VS1 • IGI LG825675428

Shape and cutting style on the report: Emerald cut

Certificate IGI LG825675428

Diamond specifications and retailer prices

From £84 GBP
$111 USD
As of October 27, 2026
Save £467 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £868 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825675428 or 825675428. Listed at 17 retailers as of October 27, 2026, with a 559% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825675428
Dimensions5.77 × 3.71 × 2.36 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
5.77 mm3.71 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825675428
Side View
Table 68.0%Crown 31.4°Girdle: Slightly ThickPavilion 42°Culet: LargeDepth 63.6%

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: £868 GBP|Low: £84 GBP|High: £1,016 GBP|Avg: £301 GBP|-13.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 28, 2026
Retailer 14£84 GBP
Retailer 13£93 GBP
Retailer 10£111 GBP
Retailer 12£111 GBP
Retailer 6£173 GBP
Retailer 2£207 GBP
Retailer 9£243 GBP
Retailer 7£251 GBP
Retailer 8£264 GBP
Retailer 3£333 GBP
Retailer 11£372 GBP
Retailer 5£377 GBP
Retailer 4£551 GBP
MOH London£868 GBP

42 data points across 14 retailers

17 retailers£84 GBP to £551 GBP

A
Cheapest Retailer
-
£84 GBP
$111 USD
Returns within 21 days
A
Retailer 2
-
£93 GBP
$123 USD
View
Final sale: no returns
A
Retailer 3
-
£97 GBP
$129 USD
View
Price last confirmed 35 days ago
Returns within 21 days
A
Retailer 4
-
£111 GBP
$147 USD
View
Returns within 30 days
A
Retailer 5
-
£111 GBP
$147 USD
View
Returns within 30 days
A
Retailer 6
-
£113 GBP
$150 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
£119 GBP
$158 USD
View
Price last confirmed 36 days ago
Returns within 30 days
A
Retailer 8
-
£173 GBP
$230 USD
View
Returns within 30 days
B+
Retailer 9
-
£207 GBP
View
Returns within 30 days
B+
Retailer 10
-
£243 GBP
€308 EUR
View
Returns within 100 days
B+
Retailer 11
-
£251 GBP
View
Returns within 30 days
B+
Retailer 12
-
£264 GBP
A$540 AUD
View
B
Retailer 13
-
£333 GBP
$443 USD
View
Returns within 30 days
B
Retailer 14
-
£372 GBP
$494 USD
View
Returns within 30 days
B
Retailer 15
-
£377 GBP
$501 USD
View
Returns within 90 days
B
Retailer 16
-
£551 GBP
View
Returns within 30 days
Most Expensive
B
MOH London
LG825675428 · Oct 26
£868 GBP
View
Price under review
16 more retailers have this diamond
Prices start from £84 GBPSave up to £467 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
0.51ct Emerald
£84 GBP