Emerald|Lab Grown|IGI

1.80ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG541251857

Shape and cutting style on the report: Emerald cut

Certificate IGI LG541251857

Diamond specifications and retailer prices

From $303 USD
As of October 30, 2026
Save $1,206 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,509 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.8ct lab-grown emerald diamond

This 1.8ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541251857 or 541251857. Listed at 14 retailers as of October 26, 2026, with prices from $303 to $1,509, a $1,206 spread on the same certified stone. MOH London lists it at $1,509. 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

1.80
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541251857
Dimensions7.97 × 5.67 × 3.84 mm
L/W Ratio1.41
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
7.97 mm5.67 mm1.80 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541251857
Side View
Table 64.0%Crown 26.2°Girdle: Slightly ThickPavilion 41.4°Culet: LNGDepth 67.7%

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: Oct 30
Current: $1,509 USD|Low: $291 USD|High: $1,524 USD|Avg: $691 USD|+0.2%
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 30, 2026
Retailer 12$303 USD
Retailer 4$340 USD
Retailer 13$352 USD
Retailer 10$376 USD
Retailer 14$376 USD
Retailer 9$545 USD
Retailer 8$613 USD
Retailer 2$615 USD
Retailer 7$668 USD
Retailer 6$721 USD
Retailer 3$1,155 USD
Retailer 5$1,204 USD
Retailer 11$1,208 USD
MOH London$1,509 USD

42 data points across 14 retailers

14 retailers$303 USD to $1,509 USD

A
Cheapest Retailer
-
$303 USD
A
Retailer 2
-
$340 USD
View
Final sale: no returns
A
Retailer 3
-
$352 USD
View
A
Retailer 4
-
$376 USD
View
A
Retailer 5
-
$376 USD
View
A
Retailer 6
-
$545 USD
View
B+
Retailer 7
-
$613 USD
€584 EUR
View
A
Retailer 8
-
$615 USD
View
B+
Retailer 9
-
$668 USD
£526 GBP
View
B+
Retailer 10
-
$721 USD
View
B
Retailer 11
-
$1,155 USD
View
Retailer 12
-
$1,204 USD
SGD 1,627 SGD
View
Price last confirmed 18 days ago
B
Retailer 13
-
$1,208 USD
View
Most Expensive
B
MOH London
LG541251857 · Oct 26
$1,509 USD
£1,188 GBP
View
13 more retailers have this diamond
Prices start from $303 USDSave up to $1,206 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
1.80ct Emerald
$303 USD