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Emerald|Lab Grown|IGI

1.51ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG818682031

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818682031

Diamond specifications and retailer prices

From $383 NZD
As of November 4, 2026
Save $2,739 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,122 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682031 or 818682031. Listed at 21 retailers as of November 4, 2026, with prices from $383 to $3,122, a $2,739 spread on the same certified stone. Brilliant Earth lists it at $3,122. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682031
Dimensions8.22 × 5.45 × 3.59 mm
L/W Ratio1.51
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.45 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682031
Side View
Table 63.0%Crown 32.3°Girdle: Slightly ThickPavilion 42.8°Culet: LargeDepth 65.9%

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: Nov 4
Current: $3,122 NZD|Low: $373 NZD|High: $3,282 NZD|Avg: $1,196 NZD|-4.9%
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 11$383 NZD
Retailer 10$428 NZD
Retailer 7$445 NZD
Retailer 3$475 NZD
Retailer 4$475 NZD
Retailer 19$814 NZD
Retailer 16$820 NZD
Retailer 2$873 NZD
Retailer 6$905 NZD
Retailer 17$1,059 NZD
Retailer 21$1,109 NZD
Retailer 15$1,268 NZD
Retailer 8$1,451 NZD
Retailer 20$1,458 NZD
Retailer 5$1,527 NZD
Retailer 12$1,547 NZD
Retailer 18$1,605 NZD
Retailer 9$1,621 NZD
Retailer 13$1,898 NZD
Retailer 14$1,935 NZD
Brilliant Earth$3,122 NZD

33 data points across 21 retailers

21 retailers$383 NZD to $3,122 NZD

A
Cheapest Retailer
-
$383 NZD
A
Retailer 2
-
$428 NZD
View
Final sale: no returns
A
Retailer 3
-
$445 NZD
View
Retailer 4
-
$475 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$475 NZD
View
A
Retailer 6
-
$814 NZD
View
A
Retailer 7
-
$820 NZD
View
A
Retailer 8
-
$873 NZD
View
A
Retailer 9
-
$905 NZD
View
A
Retailer 10
-
$1,059 NZD
View
Retailer 11
-
$1,109 NZD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$1,268 NZD
View
B+
Retailer 13
-
$1,451 NZD
View
Retailer 14
-
$1,458 NZD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,527 NZD
View
B+
Retailer 16
-
$1,547 NZD
View
B+
Retailer 17
-
$1,605 NZD
View
B+
Retailer 18
-
$1,621 NZD
View
B
Retailer 19
-
$1,898 NZD
View
B
Retailer 20
-
$1,935 NZD
View
Most Expensive
B
Brilliant Earth
21494241A · Nov 4
$3,122 NZD
$1,760 USD
View
20 more retailers have this diamond
Prices start from $383 NZDSave up to $2,739 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
1.51ct Emerald
$383 NZD