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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 $167 NZD
$94 USD
As of October 29, 2026
Save $1,359 NZD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,526 NZD 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 $167 to $1,526, a $1,359 spread on the same certified stone. MOH London lists it at $1,526. 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 29
Current: $1,526 NZD|Low: $167 NZD|High: $1,530 NZD|Avg: $558 NZD|-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 30, 2026
Retailer 8$167 NZD
Retailer 4$186 NZD
Retailer 6$220 NZD
Retailer 16$220 NZD
Retailer 15$280 NZD
Retailer 12$374 NZD
Retailer 10$386 NZD
Retailer 2$392 NZD
Retailer 14$399 NZD
Retailer 11$500 NZD
Retailer 17$568 NZD
Retailer 3$619 NZD
Retailer 7$667 NZD
Retailer 13$743 NZD
Retailer 9$771 NZD
Retailer 5$1,519 NZD
MOH London$1,526 NZD

16 data points across 17 retailers

18 retailers$167 NZD to $1,526 NZD

A
Cheapest Retailer
-
$167 NZD
$94 USD
A
Retailer 2
-
$186 NZD
$105 USD
View
Final sale: no returns
A
Retailer 3
-
$220 NZD
$124 USD
View
A
Retailer 4
-
$220 NZD
$124 USD
View
A
Retailer 5
-
$280 NZD
$158 USD
View
A
Retailer 6
-
$374 NZD
ZAR 3,409 ZAR
View
B+
Retailer 7
-
$386 NZD
€207 EUR
View
B+
Retailer 8
-
$392 NZD
£174 GBP
View
B+
Retailer 9
-
$399 NZD
$225 USD
View
B+
Retailer 10
-
$500 NZD
£222 GBP
View
B+
Retailer 11
-
$532 NZD
$300 USD
View
B
Retailer 12
-
$568 NZD
$320 USD
View
B+
Retailer 13
-
$619 NZD
$349 USD
View
B
Retailer 14
-
$667 NZD
$376 USD
View
B
Retailer 15
-
$743 NZD
$419 USD
View
B
Retailer 16
-
$771 NZD
$435 USD
View
B
Retailer 17
-
$1,519 NZD
$856 USD
View
Most Expensive
B
MOH London
LG837659979 · Oct 25
$1,526 NZD
£677 GBP
View
17 more retailers have this diamond
Prices start from $167 NZDSave up to $1,359 NZD

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
$167 NZD