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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 $431 AUD
$303 USD
As of October 30, 2026
Save $1,717 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,148 AUD 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 $431 to $2,148, a $1,717 spread on the same certified stone. MOH London lists it at $2,148. 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
Colour
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

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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: $2,148 AUD|Low: $414 AUD|High: $2,170 AUD|Avg: $984 AUD|+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$431 AUD
Retailer 4$484 AUD
Retailer 13$501 AUD
Retailer 10$535 AUD
Retailer 14$535 AUD
Retailer 9$776 AUD
Retailer 8$873 AUD
Retailer 2$876 AUD
Retailer 7$951 AUD
Retailer 6$1,026 AUD
Retailer 3$1,644 AUD
Retailer 5$1,714 AUD
Retailer 11$1,720 AUD
MOH London$2,148 AUD

42 data points across 14 retailers

14 retailers$431 AUD to $2,148 AUD

A
Cheapest Retailer
-
$431 AUD
$303 USD
A
Retailer 2
-
$484 AUD
$340 USD
View
Final sale: no returns
A
Retailer 3
-
$501 AUD
$352 USD
View
A
Retailer 4
-
$535 AUD
$376 USD
View
A
Retailer 5
-
$535 AUD
$376 USD
View
A
Retailer 6
-
$776 AUD
$545 USD
View
B+
Retailer 7
-
$873 AUD
€584 EUR
View
B+
Retailer 8
-
$876 AUD
$615 USD
View
B+
Retailer 9
-
$951 AUD
£526 GBP
View
B+
Retailer 10
-
$1,026 AUD
$721 USD
View
B
Retailer 11
-
$1,644 AUD
$1,155 USD
View
Retailer 12
-
$1,714 AUD
SGD 1,627 SGD
View
Price last confirmed 18 days ago
B
Retailer 13
-
$1,720 AUD
$1,208 USD
View
Most Expensive
B
MOH London
LG541251857 · Oct 26
$2,148 AUD
£1,188 GBP
View
13 more retailers have this diamond
Prices start from $431 AUDSave up to $1,717 AUD

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
$431 AUD