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Emerald|Lab Grown|IGI

1.51ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG496120877

Shape and cutting style on the report: Emerald cut

Certificate IGI LG496120877

Diamond specifications and retailer prices

From $2,384 AUD
As of November 6, 2026
Save $1,961 AUD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,184 AUD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496120877 or 496120877. Listed at 13 retailers as of November 6, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.1°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496120877
Dimensions7.75 × 5.56 × 3.49 mm
L/W Ratio1.39
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.75 mm5.56 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496120877
Side View
Table 68.0%Crown 24.1°Girdle: MediumPavilion 36.3°Culet: LNGDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,184 AUD|Low: $2,288 AUD|High: $7,992 AUD|Avg: $3,691 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$2,384 AUD
Retailer 8$2,457 AUD
Retailer 12$2,594 AUD
Retailer 3$2,670 AUD
Retailer 9$2,766 AUD
Retailer 11$2,766 AUD
Retailer 4$3,007 AUD
Retailer 2$3,881 AUD
Retailer 10$4,345 AUD
Retailer 6$4,768 AUD
NZ Jewellers$5,184 AUD
Retailer 5$7,877 AUD

44 data points across 12 retailers

13 retailers$2,384 AUD to $4,345 AUD

B
Cheapest Retailer
-
$2,384 AUD
B
Retailer 2
-
$2,457 AUD
View
B
Retailer 3
-
$2,594 AUD
View
B
Retailer 4
-
$2,670 AUD
View
Final sale: no returns
B
Retailer 5
-
$2,766 AUD
View
Retailer 6
-
$2,766 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,007 AUD
View
B
Retailer 8
-
$3,881 AUD
View
B
Retailer 9
-
$4,345 AUD
View
Retailer 10
-
$4,768 AUD
View
Price under review
Most Expensive
NZ Jewellers
32873907-e994-4ce9-886e-fcc9f75963bf · Nov 6
$5,184 AUD
$3,629 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,384 AUDSave up to $1,961 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.

B
1.51ct Emerald
$2,384 AUD