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Emerald|Lab Grown|IGI

1.00ct I SI2 Emerald Lab Grown Diamond

ID • I/SI2 • IGI LG436045899

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045899

Diamond specifications and retailer prices

From $690 USD
As of October 29, 2026
Save $3,128 USD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,818 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045899 or 436045899. Listed at 9 retailers as of October 29, 2026, with prices from $690 to $3,818, a $3,128 spread on the same certified stone. MOH London lists it at $3,818. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045899
Dimensions6.33 × 4.51 × 3.19 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
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Top View
6.33 mm4.51 mm1.00 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045899
Side View
Table 66.5%Crown 32.2°Girdle: MED-THKPavilion 38.4°Culet: LNGDepth 70.7%

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: Oct 29
Current: $3,818 USD|Low: $690 USD|High: $3,843 USD|Avg: $1,710 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5$690 USD
Retailer 4$873 USD
Retailer 10$950 USD
Retailer 6$1,013 USD
Retailer 9$1,013 USD
Retailer 11$1,535 USD
Retailer 7$1,628 USD
Retailer 3$2,267 USD
Retailer 2$2,329 USD
Retailer 8$2,848 USD
MOH London$3,818 USD

15 data points across 11 retailers

9 retailers$690 USD to $3,818 USD

A
Cheapest Retailer
-
$690 USD
B+
Retailer 2
-
$873 USD
View
B+
Retailer 3
-
$950 USD
View
B+
Retailer 4
-
$1,013 USD
View
B+
Retailer 5
-
$1,013 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$1,628 USD
View
B
Retailer 7
-
$2,329 USD
View
B
Retailer 8
-
$2,848 USD
View
Most Expensive
B
MOH London
LG436045899 · Oct 29
$3,818 USD
£3,006 GBP
View
8 more retailers have this diamond
Prices start from $690 USDSave up to $3,128 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
$690 USD