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Emerald|Lab Grown|IGI

1.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG731580881

Certificate IGI LG731580881

Diamond specifications and retailer prices

From $250 USD
Save $4,240 USD (94%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,490 USD at Brilliant Earth
View at Brilliant Earth

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 LG731580881 or 731580881. Listed at 26 retailers, with prices from $250 to $4,490 at Brilliant Earth, a $4,240 spread on the same certified stone. 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 angle29.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731580881
Dimensions8.07 × 5.41 × 3.62 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 mm5.41 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731580881
Side View
Table 64.0%Crown 29.9°Girdle: MediumPavilion 40.1°Culet: LargeDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $4,490 USD|Low: $199 USD|High: $4,490 USD|Avg: $1,066 USD
Brilliant Earth
Retailer 2
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Retailer 21
September 30, 2026
Retailer 7$250 USD
Retailer 5$290 USD
Retailer 13$295 USD
Retailer 8$306 USD
Retailer 2$398 USD
Retailer 11$455 USD
Retailer 4$553 USD
Retailer 3$574 USD
Retailer 20$581 USD
Retailer 15$595 USD
Retailer 10$764 USD
Retailer 9$779 USD
Retailer 19$794 USD
Retailer 21$1,100 USD
Retailer 12$1,234 USD
Retailer 14$1,351 USD
Retailer 6$1,361 USD
Retailer 16$1,388 USD
Retailer 17$1,394 USD
Retailer 18$2,260 USD
Brilliant Earth$4,490 USD

40 data points across 21 retailers

26 retailers$250 USD to $4,490 USD

A
Cheapest Retailer
-
$250 USD
A
Retailer 2
-
$290 USD
View
A
Retailer 3
-
$295 USD
View
A
Retailer 4
-
$306 USD
View
B+
Retailer 5
-
$398 USD
View
A
Retailer 6
-
$455 USD
View
A
Retailer 7
-
$474 USD
HK$3,700 HKD
View
A
Retailer 8
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$553 USD
€527 EUR
View
A
Retailer 9
-
$574 USD
View
A
Retailer 10
-
$581 USD
ZAR 9,388 ZAR
View
A
Retailer 11
-
$584 USD
£460 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
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$596 USD
£470 GBP
View
A
Retailer 13
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$764 USD
View
A
Retailer 14
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$779 USD
View
A
Retailer 15
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$794 USD
A$1,222 AUD
View
A
Retailer 16
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$870 USD
View
B+
Retailer 17
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$1,100 USD
View
B+
Retailer 18
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$1,267 USD
View
B+
Retailer 19
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$1,332 USD
View
B+
Retailer 20
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$1,351 USD
View
B+
Retailer 21
-
$1,361 USD
SGD 1,839 SGD
View
B+
Retailer 22
-
$1,388 USD
£1,093 GBP
View
B+
Retailer 23
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$1,394 USD
A$2,145 AUD
View
B
Retailer 24
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$2,220 USD
View
B
Retailer 25
-
$2,260 USD
View
Most Expensive
B
Brilliant Earth
16223753Y · Oct 1
$4,490 USD
View
25 more retailers have this diamond
Prices start from $250 USDSave up to $4,240 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.

A
1.51ct Emerald
$250 USD