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Emerald|Lab Grown|IGI

1.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG754507726

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754507726

Diamond specifications and retailer prices

From $507 NZD
$285 USD
As of November 1, 2026
Save $4,177 NZD (89%) vs most expensive(unlock to see where)
30 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 LG754507726 or 754507726. Listed at 30 retailers as of October 31, 2026, with prices from $507 to $4,683, a $4,177 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 angle33.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507726
Dimensions8.07 × 5.40 × 3.50 mm
L/W Ratio1.49
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
8.07 mm5.40 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507726
Side View
Table 61.0%Crown 33.9°Girdle: Slightly ThickPavilion 38.1°Culet: LargeDepth 64.8%

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 1
Current: $4,683 NZD|Low: $444 NZD|High: $7,731 NZD|Avg: $1,872 NZD
Blue Nile
Retailer 2
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Retailer 25
November 2, 2026
Retailer 17$444 NZD
Retailer 6$507 NZD
Retailer 16$515 NZD
Retailer 18$544 NZD
Retailer 11$819 NZD
Retailer 5$835 NZD
Retailer 20$978 NZD
Retailer 9$979 NZD
Retailer 13$1,016 NZD
Retailer 2$1,130 NZD
Retailer 10$1,311 NZD
Retailer 21$1,370 NZD
Retailer 8$1,381 NZD
Retailer 24$1,722 NZD
Retailer 15$1,955 NZD
Retailer 25$2,170 NZD
Retailer 12$2,193 NZD
Retailer 14$2,357 NZD
Retailer 4$2,358 NZD
Retailer 22$2,366 NZD
Retailer 7$2,503 NZD
Retailer 23$3,954 NZD
Retailer 3$4,141 NZD
Retailer 19$4,639 NZD
Blue Nile$4,683 NZD

43 data points across 25 retailers

30 retailers$507 NZD to $4,683 NZD

Retailer 1
-
$414 NZD
$233 USD
Price last confirmed 31 days ago
Retailer 2
-
$444 NZD
$250 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$499 NZD
$281 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$507 NZD
$285 USD
View
Final sale: no returns
Retailer 5
-
$515 NZD
$290 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$533 NZD
$300 USD
View
Retailer 7
-
$533 NZD
$300 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$544 NZD
$306 USD
View
Price last confirmed 35 days ago
A
Retailer 9
-
$819 NZD
HK$3,600 HKD
View
A
Retailer 10
-
$835 NZD
$470 USD
View
A
Retailer 11
-
$978 NZD
€524 EUR
View
A
Retailer 12
-
$979 NZD
$551 USD
View
A
Retailer 13
-
$1,016 NZD
ZAR 9,235 ZAR
View
A
Retailer 14
-
$1,130 NZD
£501 GBP
View
A
Retailer 15
-
$1,311 NZD
$737 USD
View
A
Retailer 16
-
$1,370 NZD
A$1,186 AUD
View
A
Retailer 17
-
$1,381 NZD
$777 USD
View
B+
Retailer 18
-
$1,722 NZD
$969 USD
View
Retailer 19
-
$1,895 NZD
$1,066 USD
View
Price last confirmed 23 days ago
Retailer 20
-
$1,955 NZD
$1,100 USD
View
Price last confirmed 33 days ago
B+
Retailer 21
-
$2,170 NZD
$1,221 USD
View
B+
Retailer 22
-
$2,193 NZD
$1,234 USD
View
B+
Retailer 23
-
$2,357 NZD
SGD 1,792 SGD
View
B+
Retailer 24
-
$2,358 NZD
$1,327 USD
View
B+
Retailer 25
-
$2,366 NZD
£1,048 GBP
View
Retailer 26
-
$2,503 NZD
A$2,167 AUD
View
Price last confirmed 28 days ago
B
Retailer 27
-
$3,954 NZD
$2,225 USD
View
B
Retailer 28
-
$4,141 NZD
$2,330 USD
View
B
Retailer 29
-
$4,639 NZD
$2,610 USD
View
Most Expensive
B
Blue Nile
28885379 · Oct 31
$4,683 NZD
$2,635 USD
View
29 more retailers have this diamond
Prices start from $507 NZDSave up to $4,177 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
$507 NZD