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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG811638170

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811638170

Diamond specifications and retailer prices

From $559 AUD
$393 USD
As of October 30, 2026
Save $4,331 AUD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,890 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638170 or 811638170. Listed at 20 retailers as of October 28, 2026, with prices from $559 to $4,890, a $4,331 spread on the same certified stone. Rare Carat lists it at $4,890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638170
Dimensions7.68 × 5.31 × 3.61 mm
L/W Ratio1.45
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
7.68 mm5.31 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638170
Side View
Table 68.0%Crown 34.8°Girdle: Slightly ThickPavilion 43.6°Culet: LargeDepth 68.0%

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: $4,890 AUD|Low: $559 AUD|High: $5,438 AUD|Avg: $2,025 AUD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 10$559 AUD
Retailer 5$626 AUD
Retailer 8$626 AUD
Retailer 19$693 AUD
Retailer 20$693 AUD
Retailer 18$1,046 AUD
Retailer 9$1,100 AUD
Retailer 15$1,112 AUD
Retailer 14$1,137 AUD
Retailer 17$1,191 AUD
Retailer 4$1,492 AUD
Retailer 12$1,661 AUD
Retailer 11$2,210 AUD
Retailer 3$2,228 AUD
Retailer 6$2,235 AUD
Retailer 7$2,281 AUD
Retailer 13$2,427 AUD
Retailer 16$2,723 AUD
Retailer 2$4,200 AUD
Rare Carat$4,890 AUD

33 data points across 20 retailers

20 retailers$559 AUD to $4,890 AUD

A
Cheapest Retailer
-
$559 AUD
$393 USD
A
Retailer 2
-
$626 AUD
$440 USD
View
Final sale: no returns
A
Retailer 3
-
$626 AUD
$440 USD
View
A
Retailer 4
-
$693 AUD
$487 USD
View
A
Retailer 5
-
$693 AUD
$487 USD
View
A
Retailer 6
-
$1,046 AUD
$735 USD
View
A
Retailer 7
-
$1,100 AUD
$773 USD
View
A
Retailer 8
-
$1,112 AUD
€744 EUR
View
A
Retailer 9
-
$1,137 AUD
£629 GBP
View
A
Retailer 10
-
$1,191 AUD
ZAR 13,519 ZAR
View
B+
Retailer 11
-
$1,492 AUD
$1,048 USD
View
B+
Retailer 12
-
$1,661 AUD
$1,167 USD
View
B+
Retailer 13
-
$2,210 AUD
SGD 2,098 SGD
View
B+
Retailer 14
-
$2,228 AUD
$1,565 USD
View
B+
Retailer 15
-
$2,235 AUD
$1,570 USD
View
B+
Retailer 16
-
$2,281 AUD
$1,602 USD
View
B+
Retailer 17
-
$2,427 AUD
$1,705 USD
View
B+
Retailer 18
-
$2,723 AUD
£1,506 GBP
View
B
Retailer 19
-
$4,200 AUD
$2,950 USD
View
Most Expensive
B
Rare Carat
PD-222835 · Oct 28
$4,890 AUD
$3,435 USD
View
19 more retailers have this diamond
Prices start from $559 AUDSave up to $4,331 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
$559 AUD