CaratHunter
Plans
Emerald|Lab Grown|IGI

1.51ct F SI2 Emerald Lab Grown Diamond

ID • F/SI2 • IGI LG547265124

Shape and cutting style on the report: Emerald cut

Certificate IGI LG547265124

Diamond specifications and retailer prices

From $1,719 USD
As of October 30, 2026
Save $1,412 USD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,125 USD at NZ Jewellers · As of October 31, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547265124 or 547265124. Listed at 10 retailers as of October 30, 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
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547265124
Dimensions8.35 × 5.53 × 3.33 mm
L/W Ratio1.51
Culet sizeLarge
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
8.35 mm5.53 mm1.51 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547265124
Side View
Table 66.0%Crown 35.2°Girdle: MediumPavilion 37°Culet: LargeDepth 60.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,125 USD|Low: $1,650 USD|High: $6,369 USD|Avg: $3,143 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4$1,719 USD
Retailer 7$1,870 USD
Retailer 5$1,994 USD
Retailer 8$2,124 USD
Retailer 3$3,026 USD
Retailer 6$3,131 USD
Retailer 9$3,745 USD
NZ Jewellers$4,125 USD
Retailer 2$6,285 USD

43 data points across 9 retailers

10 retailers$1,719 USD to $3,131 USD

B
Cheapest Retailer
-
$1,719 USD
B
Retailer 2
-
$1,870 USD
View
B
Retailer 3
-
$1,994 USD
View
Retailer 4
-
$1,994 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
$2,124 USD
View
B
Retailer 6
-
$3,026 USD
£2,383 GBP
View
B
Retailer 7
-
$3,131 USD
View
Retailer 8
-
$3,745 USD
CA$5,201 CAD
View
Price under review
Most Expensive
NZ Jewellers
e2aecdd5-229d-4f70-af6e-71faf4a88d9c · Oct 31
$4,125 USD
View
Price under review
8 more retailers have this diamond
Prices start from $1,719 USDSave up to $1,412 USD

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
$1,719 USD