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Emerald|Lab Grown|IGI

1.61ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG557250869

Shape and cutting style on the report: Emerald cut

Certificate IGI LG557250869

Diamond specifications and retailer prices

From $418 NZD
$235 USD
As of November 1, 2026
Save $2,710 NZD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,128 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.61ct lab-grown emerald diamond

This 1.61ct 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 LG557250869 or 557250869. Listed at 10 retailers as of October 28, 2026, with prices from $418 to $3,128, a $2,710 spread on the same certified stone. Brilliant Earth lists it at $3,128. 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

1.61
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557250869
Dimensions7.91 × 5.63 × 3.70 mm
L/W Ratio1.40
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
7.91 mm5.63 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557250869
Side View
Table 64.0%Crown 41.3°Girdle: MediumPavilion 39.1°Culet: LNGDepth 65.7%

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: Nov 1
Current: $3,128 NZD|Low: $233 NZD|High: $3,270 NZD|Avg: $1,080 NZD|-4.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 10$233 NZD
Retailer 8$418 NZD
Retailer 9$487 NZD
Retailer 6$601 NZD
Retailer 3$659 NZD
Retailer 7$793 NZD
Retailer 4$1,228 NZD
Retailer 5$1,383 NZD
Retailer 2$1,869 NZD
Brilliant Earth$3,128 NZD

16 data points across 10 retailers

10 retailers$418 NZD to $3,128 NZD

A
Cheapest Retailer
-
$418 NZD
$235 USD
Retailer 2
-
$487 NZD
$274 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$601 NZD
$338 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$659 NZD
€353 EUR
View
A
Retailer 5
-
$793 NZD
$446 USD
View
Retailer 6
-
$1,228 NZD
$691 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$1,383 NZD
$778 USD
View
B
Retailer 8
-
$1,869 NZD
£828 GBP
View
B
Retailer 9
-
$2,808 NZD
$1,580 USD
View
Most Expensive
B
Brilliant Earth
16283087A · Oct 28
$3,128 NZD
$1,760 USD
View
9 more retailers have this diamond
Prices start from $418 NZDSave up to $2,710 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
1.61ct Emerald
$418 NZD