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Emerald|Lab Grown|IGI

1.51ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG840626714

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840626714

Diamond specifications and retailer prices

From $394 NZD
As of November 4, 2026
Save $2,734 NZD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,128 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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 LG840626714 or 840626714. Listed at 22 retailers as of November 4, 2026, with prices from $394 to $3,128, a $2,734 spread on the same certified stone. Helzberg Diamonds lists it at $3,128. 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 angle37°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840626714
Dimensions5.44 × 7.80 × 3.66 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.44 mm7.80 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840626714
Side View
Table 64.0%Crown 37°Girdle: Slightly ThickPavilion 41.7°Culet: LargeDepth 67.3%

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: Nov 4
Current: $3,128 NZD|Low: $380 NZD|High: $3,128 NZD|Avg: $1,206 NZD
Helzberg Diamonds
Retailer 2
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Retailer 21
November 5, 2026
Retailer 21$394 NZD
Retailer 6$458 NZD
Retailer 3$490 NZD
Retailer 20$490 NZD
Retailer 10$545 NZD
Retailer 9$660 NZD
Retailer 18$811 NZD
Retailer 17$844 NZD
Retailer 2$901 NZD
Retailer 8$908 NZD
Retailer 7$1,071 NZD
Retailer 15$1,142 NZD
Retailer 16$1,297 NZD
Retailer 14$1,483 NZD
Retailer 4$1,572 NZD
Retailer 12$1,609 NZD
Retailer 19$1,623 NZD
Retailer 11$1,666 NZD
Retailer 13$1,955 NZD
Retailer 5$1,992 NZD
Helzberg Diamonds$3,128 NZD

30 data points across 21 retailers

22 retailers$394 NZD to $3,128 NZD

A
Cheapest Retailer
-
$394 NZD
A
Retailer 2
-
$458 NZD
View
A
Retailer 3
-
$490 NZD
View
Retailer 4
-
$490 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$545 NZD
View
B+
Retailer 6
-
$660 NZD
View
Retailer 7
-
$811 NZD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$844 NZD
View
A
Retailer 9
-
$901 NZD
View
A
Retailer 10
-
$908 NZD
View
B+
Retailer 11
-
$1,071 NZD
View
B+
Retailer 12
-
$1,142 NZD
View
B+
Retailer 13
-
$1,297 NZD
View
B+
Retailer 14
-
$1,483 NZD
View
B+
Retailer 15
-
$1,572 NZD
View
B+
Retailer 16
-
$1,609 NZD
View
Retailer 17
-
$1,623 NZD
View
Price last confirmed 18 days ago
B+
Retailer 18
-
$1,666 NZD
View
B
Retailer 19
-
$1,955 NZD
View
B
Retailer 20
-
$1,992 NZD
View
B
Retailer 21
-
$3,122 NZD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMIMNHK · Nov 4
$3,128 NZD
$1,763 USD
View
21 more retailers have this diamond
Prices start from $394 NZDSave up to $2,734 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
$394 NZD