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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 $717 NZD
$404 USD
As of October 30, 2026
Save $5,378 NZD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,095 NZD 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 $717 to $6,095, a $5,378 spread on the same certified stone. Rare Carat lists it at $6,095. 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: $6,095 NZD|Low: $717 NZD|High: $6,778 NZD|Avg: $2,579 NZD|-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
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 10$717 NZD
Retailer 6$804 NZD
Retailer 7$804 NZD
Retailer 18$889 NZD
Retailer 19$889 NZD
Retailer 17$1,153 NZD
Retailer 9$1,407 NZD
Retailer 15$1,423 NZD
Retailer 14$1,461 NZD
Retailer 16$1,528 NZD
Retailer 4$1,867 NZD
Retailer 12$2,143 NZD
Retailer 11$2,827 NZD
Retailer 3$2,858 NZD
Retailer 8$2,873 NZD
Retailer 5$2,921 NZD
Retailer 13$3,101 NZD
Retailer 20$3,479 NZD
Retailer 2$5,394 NZD
Rare Carat$6,095 NZD

33 data points across 20 retailers

20 retailers$717 NZD to $6,095 NZD

A
Cheapest Retailer
-
$717 NZD
$404 USD
A
Retailer 2
-
$804 NZD
$453 USD
View
A
Retailer 3
-
$804 NZD
$453 USD
View
Final sale: no returns
A
Retailer 4
-
$889 NZD
$501 USD
View
A
Retailer 5
-
$889 NZD
$501 USD
View
A
Retailer 6
-
$1,153 NZD
$650 USD
View
A
Retailer 7
-
$1,407 NZD
$793 USD
View
A
Retailer 8
-
$1,423 NZD
€764 EUR
View
A
Retailer 9
-
$1,461 NZD
£648 GBP
View
A
Retailer 10
-
$1,528 NZD
ZAR 13,911 ZAR
View
B+
Retailer 11
-
$1,867 NZD
$1,052 USD
View
B+
Retailer 12
-
$2,143 NZD
$1,208 USD
View
B+
Retailer 13
-
$2,827 NZD
SGD 2,153 SGD
View
B+
Retailer 14
-
$2,858 NZD
$1,611 USD
View
B+
Retailer 15
-
$2,873 NZD
$1,619 USD
View
B+
Retailer 16
-
$2,921 NZD
$1,646 USD
View
B+
Retailer 17
-
$3,101 NZD
$1,748 USD
View
B+
Retailer 18
-
$3,479 NZD
£1,544 GBP
View
B
Retailer 19
-
$5,394 NZD
$3,040 USD
View
Most Expensive
B
Rare Carat
PD-237883 · Oct 28
$6,095 NZD
$3,435 USD
View
19 more retailers have this diamond
Prices start from $717 NZDSave up to $5,378 NZD

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
$717 NZD