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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 $345 AUD
$242 USD
As of October 30, 2026
Save $3,407 AUD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,751 AUD 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 $345 to $3,751, a $3,407 spread on the same certified stone. Blue Nile lists it at $3,751. 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: $3,751 AUD|Low: $332 AUD|High: $4,214 AUD|Avg: $1,490 AUD
Blue Nile
Retailer 2
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Retailer 25
November 1, 2026
Retailer 25$345 AUD
Retailer 24$400 AUD
Retailer 11$406 AUD
Retailer 5$427 AUD
Retailer 16$656 AUD
Retailer 10$669 AUD
Retailer 21$783 AUD
Retailer 14$784 AUD
Retailer 22$811 AUD
Retailer 13$905 AUD
Retailer 15$1,050 AUD
Retailer 23$1,097 AUD
Retailer 12$1,106 AUD
Retailer 6$1,379 AUD
Retailer 3$1,518 AUD
Retailer 7$1,738 AUD
Retailer 17$1,757 AUD
Retailer 18$1,888 AUD
Retailer 9$1,889 AUD
Retailer 2$1,891 AUD
Retailer 20$1,985 AUD
Retailer 4$3,168 AUD
Retailer 8$3,317 AUD
Retailer 19$3,716 AUD
Blue Nile$3,751 AUD

39 data points across 25 retailers

25 retailers$345 AUD to $3,751 AUD

A
Cheapest Retailer
-
$345 AUD
$242 USD
A
Retailer 2
-
$400 AUD
$281 USD
View
A
Retailer 3
-
$406 AUD
$285 USD
View
Final sale: no returns
A
Retailer 4
-
$427 AUD
$300 USD
View
A
Retailer 5
-
$656 AUD
HK$3,600 HKD
View
A
Retailer 6
-
$669 AUD
$470 USD
View
A
Retailer 7
-
$783 AUD
€524 EUR
View
A
Retailer 8
-
$784 AUD
$551 USD
View
A
Retailer 9
-
$811 AUD
ZAR 9,202 ZAR
View
A
Retailer 10
-
$905 AUD
£501 GBP
View
A
Retailer 11
-
$1,050 AUD
$737 USD
View
A
Retailer 12
-
$1,097 AUD
View
A
Retailer 13
-
$1,106 AUD
$777 USD
View
B+
Retailer 14
-
$1,379 AUD
$969 USD
View
B+
Retailer 15
-
$1,518 AUD
$1,066 USD
View
B+
Retailer 16
-
$1,738 AUD
$1,221 USD
View
B+
Retailer 17
-
$1,757 AUD
$1,234 USD
View
B+
Retailer 18
-
$1,888 AUD
SGD 1,792 SGD
View
B+
Retailer 19
-
$1,889 AUD
$1,327 USD
View
B+
Retailer 20
-
$1,891 AUD
£1,046 GBP
View
B+
Retailer 21
-
$1,985 AUD
View
B
Retailer 22
-
$3,168 AUD
$2,225 USD
View
B
Retailer 23
-
$3,317 AUD
$2,330 USD
View
B
Retailer 24
-
$3,716 AUD
$2,610 USD
View
Most Expensive
B
Blue Nile
30001911 · Oct 31
$3,751 AUD
$2,635 USD
View
24 more retailers have this diamond
Prices start from $345 AUDSave up to $3,407 AUD

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
$345 AUD