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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG816625172

Shape and cutting style on the report: Emerald cut

Certificate IGI LG816625172

Diamond specifications and retailer prices

From $1,308 NZD
$737 USD
As of October 30, 2026
Save $4,752 NZD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,059 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 LG816625172 or 816625172. Listed at 9 retailers as of October 28, 2026, with prices from $1,308 to $6,059, a $4,752 spread on the same certified stone. Rare Carat lists it at $6,059. 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 angle31.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625172
Dimensions7.82 × 5.31 × 3.68 mm
L/W Ratio1.47
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
7.82 mm5.31 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816625172
Side View
Table 66.0%Crown 31.8°Girdle: MED-STKPavilion 39.7°Culet: LargeDepth 69.3%

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: $6,059 NZD|Low: $614 NZD|High: $6,725 NZD|Avg: $2,845 NZD|+4.1%
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
October 31, 2026
Retailer 5$614 NZD
Retailer 11$1,308 NZD
Retailer 2$1,313 NZD
Retailer 6$1,487 NZD
Retailer 13$1,535 NZD
Retailer 14$1,583 NZD
Retailer 4$1,886 NZD
Retailer 10$2,181 NZD
Retailer 12$2,809 NZD
Retailer 3$3,127 NZD
Retailer 8$3,551 NZD
Retailer 7$4,844 NZD
Retailer 9$5,873 NZD
Rare Carat$6,059 NZD

15 data points across 14 retailers

9 retailers$1,308 NZD to $6,059 NZD

A
Cheapest Retailer
-
$1,308 NZD
$737 USD
A
Retailer 2
-
$1,313 NZD
$740 USD
View
Retailer 3
-
$1,583 NZD
ZAR 14,412 ZAR
View
Price last confirmed 50 days ago
B+
Retailer 4
-
$2,181 NZD
$1,229 USD
View
B+
Retailer 5
-
$2,809 NZD
$1,583 USD
View
B+
Retailer 6
-
$3,551 NZD
£1,576 GBP
View
B
Retailer 7
-
$4,844 NZD
$2,730 USD
View
B
Retailer 8
-
$5,873 NZD
$3,310 USD
View
Most Expensive
B
Rare Carat
PD-225323 · Oct 28
$6,059 NZD
$3,415 USD
View
8 more retailers have this diamond
Prices start from $1,308 NZDSave up to $4,752 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
$1,308 NZD