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Emerald|Lab Grown|IGI

0.51ct D VS1 Emerald Lab Grown Diamond

ID • D/VS1 • IGI LG808620392

Shape and cutting style on the report: Emerald cut

Certificate IGI LG808620392

Diamond specifications and retailer prices

From $131 USD
As of October 27, 2026
Save $842 USD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,361 USD 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 top-tier cut grade and certified by IGI LG808620392 or 808620392. Listed at 18 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle41°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808620392
Dimensions5.30 × 3.71 × 2.53 mm
L/W Ratio1.43
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
5.30 mm3.71 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateIGI LG808620392
Side View
Table 73.0%Crown 41°Girdle: ThickPavilion 40°Culet: LargeDepth 68.2%

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: $1,361 USD|Low: $103 USD|High: $1,370 USD|Avg: $370 USD|+0.6%
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
Retailer 15
October 29, 2026
Retailer 12$131 USD
Retailer 7$146 USD
Retailer 3$152 USD
Retailer 13$162 USD
Retailer 15$162 USD
Retailer 4$220 USD
Retailer 10$230 USD
Retailer 2$273 USD
Retailer 9$292 USD
Retailer 8$293 USD
Retailer 6$389 USD
Retailer 14$521 USD
Retailer 11$551 USD
Retailer 5$853 USD
MOH London$1,361 USD

42 data points across 15 retailers

18 retailers$131 USD to $973 USD

A
Cheapest Retailer
-
$131 USD
A
Retailer 2
-
$146 USD
View
Final sale: no returns
A
Retailer 3
-
$152 USD
View
A
Retailer 4
-
$162 USD
View
A
Retailer 5
-
$162 USD
View
A
Retailer 6
-
$192 USD
HK$1,500 HKD
View
A
Retailer 7
-
$220 USD
View
B+
Retailer 8
-
$230 USD
View
B+
Retailer 9
-
$273 USD
£215 GBP
View
B+
Retailer 10
-
$292 USD
€278 EUR
View
B+
Retailer 11
-
$293 USD
ZAR 4,734 ZAR
View
B
Retailer 12
-
$389 USD
View
B
Retailer 13
-
$451 USD
SGD 609 SGD
View
B
Retailer 14
-
$521 USD
View
B
Retailer 15
-
$551 USD
View
B
Retailer 16
-
$853 USD
£672 GBP
View
B
Retailer 17
-
$973 USD
View
Most Expensive
B
MOH London
LG808620392 · Oct 29
$1,361 USD
£1,072 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $131 USDSave up to $842 USD

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
$131 USD