Emerald|Lab Grown|IGI

0.51ct D VS1 Emerald Lab Grown Diamond

VG • D/VS1 • IGI LG837660506

Shape and cutting style on the report: Emerald cut

Certificate IGI LG837660506

Diamond specifications and retailer prices

From £97 GBP
$129 USD
As of October 27, 2026
Save £631 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,011 GBP at MOH London · As of October 29, 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 very-good cut grade and certified by IGI LG837660506 or 837660506. Listed at 19 retailers as of October 27, 2026, with a 650% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837660506
Dimensions5.29 × 3.76 × 2.50 mm
L/W Ratio1.41
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
5.29 mm3.76 mm0.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837660506
Side View
Table 70.0%Crown 35.7°Girdle: MediumPavilion 33.3°Culet: LargeDepth 66.5%

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: £1,011 GBP|Low: £97 GBP|High: £1,011 GBP|Avg: £308 GBP
MOH London
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 18
October 29, 2026
Retailer 9£97 GBP
Retailer 5£108 GBP
Retailer 7£120 GBP
Retailer 18£120 GBP
Retailer 17£162 GBP
Retailer 16£173 GBP
Retailer 2£201 GBP
Retailer 12£209 GBP
Retailer 14£215 GBP
Retailer 11£218 GBP
Retailer 4£291 GBP
Retailer 13£307 GBP
Retailer 3£368 GBP
Retailer 8£388 GBP
Retailer 15£409 GBP
Retailer 10£430 GBP
Retailer 6£728 GBP
MOH London£1,011 GBP

15 data points across 18 retailers

19 retailers£97 GBP to £728 GBP

A
Cheapest Retailer
-
£97 GBP
$129 USD
A
Retailer 2
-
£108 GBP
$144 USD
View
Final sale: no returns
A
Retailer 3
-
£120 GBP
$160 USD
View
A
Retailer 4
-
£120 GBP
$160 USD
View
A
Retailer 5
-
£162 GBP
$215 USD
View
B+
Retailer 6
-
£173 GBP
$230 USD
View
B+
Retailer 7
-
£201 GBP
View
B+
Retailer 8
-
£209 GBP
€264 EUR
View
B+
Retailer 9
-
£215 GBP
A$440 AUD
View
B+
Retailer 10
-
£218 GBP
ZAR 4,674 ZAR
View
B
Retailer 11
-
£278 GBP
$370 USD
View
B
Retailer 12
-
£291 GBP
$387 USD
View
B
Retailer 13
-
£307 GBP
A$627 AUD
View
B
Retailer 14
-
£368 GBP
$489 USD
View
B
Retailer 15
-
£388 GBP
$515 USD
View
B
Retailer 16
-
£409 GBP
$544 USD
View
B
Retailer 17
-
£430 GBP
$571 USD
View
B
Retailer 18
-
£728 GBP
$967 USD
View
Most Expensive
B
MOH London
LG837660506 · Oct 29
£1,011 GBP
View
Price under review
18 more retailers have this diamond
Prices start from £97 GBPSave up to £631 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
£97 GBP