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Emerald|Lab Grown|IGI

1.00ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG598377876

Shape and cutting style on the report: Emerald cut

Certificate IGI LG598377876

Diamond specifications and retailer prices

From $171 USD
As of November 1, 2026
Save $823 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $994 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct 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 LG598377876 or 598377876. Listed at 16 retailers as of November 1, 2026, with prices from $171 to $994, a $823 spread on the same certified stone. MOH London lists it at $994. 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

1.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598377876
Dimensions6.21 × 4.48 × 3.43 mm
L/W Ratio1.39
Culet sizeLong
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
6.21 mm4.48 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598377876
Side View
Table 66.0%Crown 38.2°Girdle: STK-THKPavilion 42.9°Culet: LNGDepth 76.6%

Caratlytics Score

How it works →
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: $994 USD|Low: $165 USD|High: $1,006 USD|Avg: $469 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$171 USD
Retailer 8$213 USD
Retailer 9$213 USD
Retailer 3$376 USD
Retailer 6$379 USD
Retailer 5$396 USD
Retailer 10$453 USD
Retailer 2$537 USD
Retailer 4$870 USD
MOH London$994 USD

43 data points across 10 retailers

16 retailers$171 USD to $994 USD

A
Cheapest Retailer
-
$171 USD
Retailer 2
-
$171 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$199 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$210 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$213 USD
View
Retailer 6
-
$213 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$243 USD
HK$1,900 HKD
View
Price last confirmed 59 days ago
B+
Retailer 8
-
$376 USD
£296 GBP
View
B+
Retailer 9
-
$379 USD
View
B+
Retailer 10
-
$396 USD
€377 EUR
View
B+
Retailer 11
-
$453 USD
View
B
Retailer 12
-
$537 USD
View
Retailer 13
-
$582 USD
SGD 786 SGD
View
Price last confirmed 26 days ago
B
Retailer 14
-
$683 USD
View
B
Retailer 15
-
$870 USD
View
Most Expensive
B
MOH London
LG598377876 · Nov 2
$994 USD
£783 GBP
View
15 more retailers have this diamond
Prices start from $171 USDSave up to $823 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.

A
1.00ct Emerald
$171 USD