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Emerald|Lab Grown|IGI

1.18ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG733543942

Shape and cutting style on the report: Emerald cut

Certificate IGI LG733543942

Diamond specifications and retailer prices

From $249 NZD
$140 USD
As of November 1, 2026
Save $1,546 NZD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,795 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.18ct lab-grown emerald diamond

This 1.18ct lab-grown emerald sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733543942 or 733543942. Listed at 13 retailers as of November 1, 2026, with prices from $249 to $1,795, a $1,546 spread on the same certified stone. Brilliant Earth lists it at $1,795. 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

1.18
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.7°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733543942
Dimensions7.66 × 5.00 × 3.28 mm
L/W Ratio1.53
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.66 mm5.00 mm1.18 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733543942
Side View
Table 66.0%Crown 27.7°Girdle: MED-STKPavilion 42.7°Culet: LargeDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,795 NZD|Low: $249 NZD|High: $1,795 NZD|Avg: $801 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3$249 NZD
Retailer 9$290 NZD
Retailer 7$309 NZD
Retailer 5$313 NZD
Retailer 2$529 NZD
Retailer 12$576 NZD
Retailer 4$592 NZD
Retailer 13$602 NZD
Retailer 11$757 NZD
Retailer 8$994 NZD
Retailer 10$1,050 NZD
Retailer 6$1,445 NZD
Brilliant Earth$1,795 NZD

42 data points across 13 retailers

13 retailers$249 NZD to $1,795 NZD

A
Cheapest Retailer
-
$249 NZD
$140 USD
A
Retailer 2
-
$290 NZD
$163 USD
View
A
Retailer 3
-
$309 NZD
$174 USD
View
Retailer 4
-
$313 NZD
$176 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$529 NZD
£234 GBP
View
B+
Retailer 6
-
$576 NZD
$324 USD
View
A
Retailer 7
-
$592 NZD
€317 EUR
View
A
Retailer 8
-
$602 NZD
£267 GBP
View
A
Retailer 9
-
$757 NZD
$426 USD
View
B+
Retailer 10
-
$994 NZD
$559 USD
View
B+
Retailer 11
-
$1,050 NZD
$591 USD
View
B
Retailer 12
-
$1,445 NZD
£640 GBP
View
Most Expensive
B
Brilliant Earth
16817002A · Nov 2
$1,795 NZD
$1,010 USD
View
12 more retailers have this diamond
Prices start from $249 NZDSave up to $1,546 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
1.18ct Emerald
$249 NZD