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Emerald|Lab Grown|IGI

0.51ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG807644686

Shape and cutting style on the report: Emerald cut

Certificate IGI LG807644686

Diamond specifications and retailer prices

From £104 GBP
$139 USD
As of October 29, 2026
Save £503 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £607 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807644686 or 807644686. Listed at 20 retailers as of October 26, 2026, with prices from £104 to £607, a £503 spread on the same certified stone. MOH London lists it at £607. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807644686
Dimensions5.57 × 3.77 × 2.64 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.57 mm3.77 mm0.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807644686
Side View
Table 61.0%Crown 33.6°Girdle: STK-THKPavilion 42.9°Culet: LargeDepth 70.0%

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: £607 GBP|Low: £104 GBP|High: £624 GBP|Avg: £291 GBP|-2.7%
MOH London
Retailer 2
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Retailer 20
October 31, 2026
Retailer 3£104 GBP
Retailer 7£116 GBP
Retailer 18£120 GBP
Retailer 13£128 GBP
Retailer 9£130 GBP
Retailer 11£175 GBP
Retailer 16£219 GBP
Retailer 6£234 GBP
Retailer 4£250 GBP
Retailer 5£252 GBP
Retailer 10£315 GBP
Retailer 8£330 GBP
Retailer 20£353 GBP
Retailer 17£354 GBP
Retailer 12£388 GBP
Retailer 2£405 GBP
Retailer 14£413 GBP
Retailer 19£438 GBP
Retailer 15£455 GBP
MOH London£607 GBP

22 data points across 20 retailers

20 retailers£104 GBP to £607 GBP

A
Cheapest Retailer
-
£104 GBP
$139 USD
A
Retailer 2
-
£116 GBP
$155 USD
View
Final sale: no returns
A
Retailer 3
-
£120 GBP
$161 USD
View
A
Retailer 4
-
£128 GBP
$172 USD
View
A
Retailer 5
-
£130 GBP
$174 USD
View
A
Retailer 6
-
£175 GBP
$235 USD
View
A
Retailer 7
-
£219 GBP
View
A
Retailer 8
-
£234 GBP
ZAR 5,056 ZAR
View
B+
Retailer 9
-
£250 GBP
€319 EUR
View
A
Retailer 10
-
£252 GBP
$337 USD
View
B+
Retailer 11
-
£315 GBP
A$649 AUD
View
B+
Retailer 12
-
£330 GBP
A$680 AUD
View
B+
Retailer 13
-
£353 GBP
$473 USD
View
B+
Retailer 14
-
£354 GBP
SGD 641 SGD
View
B+
Retailer 15
-
£388 GBP
$520 USD
View
B+
Retailer 16
-
£405 GBP
$542 USD
View
B+
Retailer 17
-
£413 GBP
$554 USD
View
B
Retailer 18
-
£438 GBP
$587 USD
View
B
Retailer 19
-
£455 GBP
$610 USD
View
Most Expensive
B
MOH London
LG807644686 · Oct 26
£607 GBP
View
19 more retailers have this diamond
Prices start from £104 GBPSave up to £503 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
£104 GBP