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Emerald|Lab Grown|IGI

0.51ct D VS1 Emerald Lab Grown Diamond

ID • D/VS1 • IGI LG808601931

Shape and cutting style on the report: Emerald cut

Certificate IGI LG808601931

Diamond specifications and retailer prices

From £98 GBP
$131 USD
As of October 27, 2026
Save £632 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,018 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 LG808601931 or 808601931. Listed at 19 retailers as of October 27, 2026, with a 643% 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.9°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808601931
Dimensions5.41 × 3.88 × 2.46 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.41 mm3.88 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG808601931
Side View
Table 71.0%Crown 42.9°Girdle: Slightly ThickPavilion 37.3°Culet: LargeDepth 63.4%

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: Oct 27
Current: £1,018 GBP|Low: £77 GBP|High: £1,029 GBP|Avg: £277 GBP|+0.1%
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
Retailer 15
October 28, 2026
Retailer 12£98 GBP
Retailer 7£110 GBP
Retailer 3£114 GBP
Retailer 13£122 GBP
Retailer 15£122 GBP
Retailer 4£165 GBP
Retailer 10£173 GBP
Retailer 2£203 GBP
Retailer 9£219 GBP
Retailer 8£220 GBP
Retailer 6£292 GBP
Retailer 14£391 GBP
Retailer 11£414 GBP
Retailer 5£641 GBP
MOH London£1,018 GBP

41 data points across 15 retailers

19 retailers£98 GBP to £730 GBP

A
Cheapest Retailer
-
£98 GBP
$131 USD
A
Retailer 2
-
£110 GBP
$146 USD
View
Final sale: no returns
A
Retailer 3
-
£114 GBP
$152 USD
View
A
Retailer 4
-
£122 GBP
$162 USD
View
A
Retailer 5
-
£122 GBP
$162 USD
View
A
Retailer 6
-
£144 GBP
HK$1,500 HKD
View
A
Retailer 7
-
£165 GBP
$220 USD
View
A
Retailer 8
-
£173 GBP
$230 USD
View
B+
Retailer 9
-
£203 GBP
View
B+
Retailer 10
-
£219 GBP
€278 EUR
View
B+
Retailer 11
-
£220 GBP
ZAR 4,734 ZAR
View
B
Retailer 12
-
£292 GBP
$389 USD
View
B
Retailer 13
-
£338 GBP
SGD 609 SGD
View
B
Retailer 14
-
£391 GBP
$521 USD
View
B
Retailer 15
-
£414 GBP
$551 USD
View
B
Retailer 16
-
£434 GBP
$578 USD
View
B
Retailer 17
-
£641 GBP
View
B
Retailer 18
-
£730 GBP
$973 USD
View
Most Expensive
B
MOH London
LG808601931 · Oct 26
£1,018 GBP
View
Price under review
18 more retailers have this diamond
Prices start from £98 GBPSave up to £632 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
£98 GBP