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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG818654288

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818654288

Diamond specifications and retailer prices

From $575 AUD
$404 USD
As of October 30, 2026
Save $4,315 AUD (88%) 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 LG818654288 or 818654288. Listed at 20 retailers as of October 28, 2026, with prices from $575 to $4,890, a $4,315 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 angle32.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654288
Dimensions7.81 × 5.34 × 3.53 mm
L/W Ratio1.46
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
7.81 mm5.34 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654288
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 39.2°Culet: LargeDepth 66.1%

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: Oct 30
Current: $4,890 AUD|Low: $575 AUD|High: $5,438 AUD|Avg: $2,069 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 10$575 AUD
Retailer 6$645 AUD
Retailer 7$645 AUD
Retailer 18$713 AUD
Retailer 19$713 AUD
Retailer 17$925 AUD
Retailer 9$1,129 AUD
Retailer 15$1,142 AUD
Retailer 14$1,172 AUD
Retailer 16$1,226 AUD
Retailer 4$1,498 AUD
Retailer 12$1,720 AUD
Retailer 11$2,268 AUD
Retailer 3$2,293 AUD
Retailer 8$2,305 AUD
Retailer 5$2,344 AUD
Retailer 13$2,488 AUD
Retailer 20$2,792 AUD
Retailer 2$4,328 AUD
Rare Carat$4,890 AUD

33 data points across 20 retailers

20 retailers$575 AUD to $4,890 AUD

A
Cheapest Retailer
-
$575 AUD
$404 USD
A
Retailer 2
-
$645 AUD
$453 USD
View
A
Retailer 3
-
$645 AUD
$453 USD
View
Final sale: no returns
A
Retailer 4
-
$713 AUD
$501 USD
View
A
Retailer 5
-
$713 AUD
$501 USD
View
A
Retailer 6
-
$925 AUD
$650 USD
View
A
Retailer 7
-
$1,129 AUD
$793 USD
View
A
Retailer 8
-
$1,142 AUD
€764 EUR
View
A
Retailer 9
-
$1,172 AUD
£648 GBP
View
A
Retailer 10
-
$1,226 AUD
ZAR 13,911 ZAR
View
B+
Retailer 11
-
$1,498 AUD
$1,052 USD
View
B+
Retailer 12
-
$1,720 AUD
$1,208 USD
View
B+
Retailer 13
-
$2,268 AUD
SGD 2,153 SGD
View
B+
Retailer 14
-
$2,293 AUD
$1,611 USD
View
B+
Retailer 15
-
$2,305 AUD
$1,619 USD
View
B+
Retailer 16
-
$2,344 AUD
$1,646 USD
View
B+
Retailer 17
-
$2,488 AUD
$1,748 USD
View
B+
Retailer 18
-
$2,792 AUD
£1,544 GBP
View
B
Retailer 19
-
$4,328 AUD
$3,040 USD
View
Most Expensive
B
Rare Carat
PD-237883 · Oct 28
$4,890 AUD
$3,435 USD
View
19 more retailers have this diamond
Prices start from $575 AUDSave up to $4,315 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
$575 AUD