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Emerald|Lab Grown|IGI

0.51ct D VS1 Emerald Lab Grown Diamond

VG • D/VS1 • IGI LG837659979

Shape and cutting style on the report: Emerald cut

Certificate IGI LG837659979

Diamond specifications and retailer prices

From $134 AUD
$94 USD
As of October 27, 2026
Save $1,090 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,224 AUD at MOH London · As of October 25, 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 LG837659979 or 837659979. Listed at 18 retailers as of October 25, 2026, with prices from $134 to $1,224, a $1,090 spread on the same certified stone. MOH London lists it at $1,224. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837659979
Dimensions5.25 × 3.73 × 2.58 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
5.25 mm3.73 mm0.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG837659979
Side View
Table 70.0%Crown 36.6°Girdle: Slightly ThickPavilion 33°Culet: LargeDepth 69.2%

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: $1,224 AUD|Low: $134 AUD|High: $1,227 AUD|Avg: $448 AUD|-0.3%
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
Retailer 16
Retailer 17
October 29, 2026
Retailer 8$134 AUD
Retailer 4$149 AUD
Retailer 6$177 AUD
Retailer 16$177 AUD
Retailer 15$225 AUD
Retailer 12$300 AUD
Retailer 10$309 AUD
Retailer 2$314 AUD
Retailer 14$320 AUD
Retailer 11$401 AUD
Retailer 17$455 AUD
Retailer 3$497 AUD
Retailer 7$535 AUD
Retailer 13$596 AUD
Retailer 9$619 AUD
Retailer 5$1,218 AUD
MOH London$1,224 AUD

15 data points across 17 retailers

18 retailers$134 AUD to $1,224 AUD

A
Cheapest Retailer
-
$134 AUD
$94 USD
A
Retailer 2
-
$149 AUD
$105 USD
View
Final sale: no returns
A
Retailer 3
-
$177 AUD
$124 USD
View
A
Retailer 4
-
$177 AUD
$124 USD
View
A
Retailer 5
-
$225 AUD
$158 USD
View
A
Retailer 6
-
$300 AUD
ZAR 3,409 ZAR
View
A
Retailer 7
-
$309 AUD
€207 EUR
View
B+
Retailer 8
-
$314 AUD
£174 GBP
View
B+
Retailer 9
-
$320 AUD
$225 USD
View
B+
Retailer 10
-
$401 AUD
£222 GBP
View
B+
Retailer 11
-
$427 AUD
$300 USD
View
B
Retailer 12
-
$455 AUD
$320 USD
View
B+
Retailer 13
-
$497 AUD
$349 USD
View
B
Retailer 14
-
$535 AUD
$376 USD
View
B
Retailer 15
-
$596 AUD
$419 USD
View
B
Retailer 16
-
$619 AUD
$435 USD
View
B
Retailer 17
-
$1,218 AUD
$856 USD
View
Most Expensive
B
MOH London
LG837659979 · Oct 25
$1,224 AUD
£677 GBP
View
17 more retailers have this diamond
Prices start from $134 AUDSave up to $1,090 AUD

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
$134 AUD