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Emerald|Lab Grown|IGI

1.00ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG436045928

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045928

Diamond specifications and retailer prices

From $730 USD
As of October 29, 2026
Save $3,202 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,932 USD at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045928 or 436045928. Listed at 11 retailers as of October 29, 2026, with prices from $730 to $3,932, a $3,202 spread on the same certified stone. MOH London lists it at $3,932. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045928
Dimensions6.59 × 4.81 × 3.23 mm
L/W Ratio1.37
Culet sizeLong
Cert comments
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Top View
6.59 mm4.81 mm1.00 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045928
Side View
Table 66.0%Crown 28.4°Girdle: MED-STKPavilion 38.8°Culet: LNGDepth 67.2%

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: Oct 29
Current: $3,932 USD|Low: $730 USD|High: $3,962 USD|Avg: $1,727 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 8$730 USD
Retailer 7$994 USD
Retailer 13$1,081 USD
Retailer 14$1,113 USD
Retailer 9$1,153 USD
Retailer 12$1,153 USD
Retailer 6$1,283 USD
Retailer 3$1,330 USD
Retailer 4$1,660 USD
Retailer 10$1,842 USD
Retailer 11$2,161 USD
Retailer 2$2,485 USD
Retailer 5$3,302 USD
MOH London$3,932 USD

18 data points across 14 retailers

11 retailers$730 USD to $3,932 USD

A
Cheapest Retailer
-
$730 USD
B+
Retailer 2
-
$994 USD
View
B+
Retailer 3
-
$1,081 USD
View
B+
Retailer 4
-
$1,113 USD
View
Final sale: no returns
Retailer 5
-
$1,153 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,153 USD
View
B+
Retailer 7
-
$1,330 USD
View
B
Retailer 8
-
$1,842 USD
View
B
Retailer 9
-
$2,161 USD
View
B
Retailer 10
-
$2,485 USD
View
Most Expensive
B
MOH London
LG436045928 · Oct 29
$3,932 USD
£3,096 GBP
View
10 more retailers have this diamond
Prices start from $730 USDSave up to $3,202 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
$730 USD