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Emerald|Lab Grown|IGI

1.51ct H SI2 Emerald Lab Grown Diamond

ID • H/SI2 • IGI LG436044990

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436044990

Diamond specifications and retailer prices

From $880 USD
As of October 30, 2026
Save $3,665 USD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,545 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436044990 or 436044990. Listed at 10 retailers as of October 29, 2026, with prices from $880 to $4,545, a $3,665 spread on the same certified stone. MOH London lists it at $4,545. 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

1.51
Carat
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436044990
Dimensions7.48 × 5.56 × 3.74 mm
L/W Ratio1.35
Culet sizeLong
Cert comments
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Top View
7.48 mm5.56 mm1.51 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436044990
Side View
Table 67.0%Crown 24.7°Girdle: MediumPavilion 41.1°Culet: LNGDepth 67.3%

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 30
Current: $4,545 USD|Low: $880 USD|High: $4,582 USD|Avg: $2,069 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
Retailer 12
Retailer 13
October 30, 2026
Retailer 2$880 USD
Retailer 6$1,213 USD
Retailer 11$1,320 USD
Retailer 12$1,358 USD
Retailer 7$1,407 USD
Retailer 10$1,407 USD
Retailer 4$1,660 USD
Retailer 3$1,988 USD
Retailer 8$2,231 USD
Retailer 9$2,638 USD
Retailer 13$2,696 USD
Retailer 5$3,150 USD
MOH London$4,545 USD

19 data points across 13 retailers

10 retailers$880 USD to $4,545 USD

A
Cheapest Retailer
-
$880 USD
B+
Retailer 2
-
$1,213 USD
View
B
Retailer 3
-
$1,320 USD
View
B
Retailer 4
-
$1,358 USD
View
Final sale: no returns
B
Retailer 5
-
$1,407 USD
View
Retailer 6
-
$1,407 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,231 USD
View
B
Retailer 8
-
$2,638 USD
View
B
Retailer 9
-
$2,696 USD
View
Most Expensive
B
MOH London
LG436044990 · Oct 29
$4,545 USD
£3,579 GBP
View
9 more retailers have this diamond
Prices start from $880 USDSave up to $3,665 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
1.51ct Emerald
$880 USD