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 $242 USD
As of October 30, 2026
Save $2,393 USD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,635 USD at Blue Nile · As of October 29, 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 29, 2026, with prices from $242 to $2,635, a $2,393 spread on the same certified stone. Blue Nile lists it at $2,635. 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
Color
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: $2,635 USD|Low: $233 USD|High: $2,960 USD|Avg: $1,048 USD
Blue Nile
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October 30, 2026
Retailer 25$242 USD
Retailer 24$281 USD
Retailer 11$285 USD
Retailer 5$300 USD
Retailer 16$461 USD
Retailer 10$470 USD
Retailer 20$550 USD
Retailer 14$551 USD
Retailer 21$570 USD
Retailer 19$636 USD
Retailer 15$737 USD
Retailer 22$771 USD
Retailer 12$777 USD
Retailer 6$969 USD
Retailer 3$1,066 USD
Retailer 7$1,221 USD
Retailer 17$1,234 USD
Retailer 18$1,326 USD
Retailer 9$1,327 USD
Retailer 23$1,331 USD
Retailer 13$1,394 USD
Retailer 4$2,225 USD
Retailer 8$2,330 USD
Retailer 2$2,610 USD
Blue Nile$2,635 USD

37 data points across 25 retailers

25 retailers$242 USD to $2,635 USD

A
Cheapest Retailer
-
$242 USD
A
Retailer 2
-
$281 USD
View
A
Retailer 3
-
$285 USD
View
Final sale: no returns
A
Retailer 4
-
$300 USD
View
A
Retailer 5
-
$461 USD
HK$3,600 HKD
View
A
Retailer 6
-
$470 USD
View
A
Retailer 7
-
$550 USD
€524 EUR
View
A
Retailer 8
-
$551 USD
View
A
Retailer 9
-
$570 USD
ZAR 9,202 ZAR
View
A
Retailer 10
-
$636 USD
£500 GBP
View
A
Retailer 11
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$737 USD
View
A
Retailer 12
-
$771 USD
A$1,186 AUD
View
A
Retailer 13
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$777 USD
View
B+
Retailer 14
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$969 USD
View
B+
Retailer 15
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$1,066 USD
View
B+
Retailer 16
-
$1,221 USD
View
B+
Retailer 17
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$1,234 USD
View
B+
Retailer 18
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$1,326 USD
SGD 1,792 SGD
View
B+
Retailer 19
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$1,327 USD
View
B+
Retailer 20
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$1,331 USD
£1,048 GBP
View
B+
Retailer 21
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$1,394 USD
A$2,145 AUD
View
B
Retailer 22
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$2,225 USD
View
B
Retailer 23
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$2,330 USD
View
B
Retailer 24
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$2,610 USD
View
Most Expensive
B
Blue Nile
30001911 · Oct 29
$2,635 USD
View
24 more retailers have this diamond
Prices start from $242 USDSave up to $2,393 USD

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
$242 USD