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Emerald|Lab Grown|IGI

1.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG754594795

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754594795

Diamond specifications and retailer prices

From $430 NZD
$242 USD
As of October 30, 2026
Save $4,253 NZD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,683 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594795 or 754594795. Listed at 25 retailers as of October 30, 2026, with prices from $430 to $4,683, a $4,253 spread on the same certified stone. Blue Nile lists it at $4,683. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594795
Dimensions7.94 × 5.21 × 3.70 mm
L/W Ratio1.52
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
7.94 mm5.21 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594795
Side View
Table 64.0%Crown 33.8°Girdle: MediumPavilion 42.6°Culet: LargeDepth 71.0%

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 30
Current: $4,683 NZD|Low: $414 NZD|High: $5,261 NZD|Avg: $1,860 NZD
Blue Nile
Retailer 2
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Retailer 25
November 1, 2026
Retailer 25$430 NZD
Retailer 24$499 NZD
Retailer 11$507 NZD
Retailer 5$533 NZD
Retailer 16$819 NZD
Retailer 10$835 NZD
Retailer 21$978 NZD
Retailer 14$979 NZD
Retailer 22$1,012 NZD
Retailer 13$1,130 NZD
Retailer 15$1,311 NZD
Retailer 23$1,370 NZD
Retailer 12$1,381 NZD
Retailer 6$1,722 NZD
Retailer 3$1,895 NZD
Retailer 7$2,170 NZD
Retailer 17$2,193 NZD
Retailer 18$2,357 NZD
Retailer 9$2,358 NZD
Retailer 2$2,361 NZD
Retailer 20$2,478 NZD
Retailer 4$3,954 NZD
Retailer 8$4,141 NZD
Retailer 19$4,639 NZD
Blue Nile$4,683 NZD

39 data points across 25 retailers

25 retailers$430 NZD to $4,683 NZD

A
Cheapest Retailer
-
$430 NZD
$242 USD
A
Retailer 2
-
$499 NZD
$281 USD
View
A
Retailer 3
-
$507 NZD
$285 USD
View
Final sale: no returns
A
Retailer 4
-
$533 NZD
$300 USD
View
A
Retailer 5
-
$819 NZD
HK$3,600 HKD
View
A
Retailer 6
-
$835 NZD
$470 USD
View
A
Retailer 7
-
$978 NZD
€524 EUR
View
A
Retailer 8
-
$979 NZD
$551 USD
View
A
Retailer 9
-
$1,012 NZD
ZAR 9,202 ZAR
View
A
Retailer 10
-
$1,130 NZD
£501 GBP
View
A
Retailer 11
-
$1,311 NZD
$737 USD
View
A
Retailer 12
-
$1,370 NZD
A$1,186 AUD
View
A
Retailer 13
-
$1,381 NZD
$777 USD
View
B+
Retailer 14
-
$1,722 NZD
$969 USD
View
B+
Retailer 15
-
$1,895 NZD
$1,066 USD
View
B+
Retailer 16
-
$2,170 NZD
$1,221 USD
View
B+
Retailer 17
-
$2,193 NZD
$1,234 USD
View
B+
Retailer 18
-
$2,357 NZD
SGD 1,792 SGD
View
B+
Retailer 19
-
$2,358 NZD
$1,327 USD
View
B+
Retailer 20
-
$2,361 NZD
£1,046 GBP
View
B+
Retailer 21
-
$2,478 NZD
A$2,145 AUD
View
B
Retailer 22
-
$3,954 NZD
$2,225 USD
View
B
Retailer 23
-
$4,141 NZD
$2,330 USD
View
B
Retailer 24
-
$4,639 NZD
$2,610 USD
View
Most Expensive
B
Blue Nile
30001911 · Oct 31
$4,683 NZD
$2,635 USD
View
24 more retailers have this diamond
Prices start from $430 NZDSave up to $4,253 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
$430 NZD