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Emerald|Lab Grown|IGI

1.78ct G SI1 Emerald Lab Grown Diamond

GD • G/SI1 • IGI LG546230309

Shape and cutting style on the report: Emerald cut

Certificate IGI LG546230309

Diamond specifications and retailer prices

From $959 SGD
$748 USD
As of October 27, 2026
Save $3,431 SGD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,390 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.78ct lab-grown emerald diamond

This 1.78ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG546230309 or 546230309. Listed at 7 retailers as of October 27, 2026, with prices from $959 to $4,390, a $3,431 spread on the same certified stone. MOH London lists it at $4,390. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.78
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546230309
Dimensions8.73 × 5.84 × 3.60 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.73 mm5.84 mm1.78 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546230309
Side View
Table 66.5%Crown 36.5°Girdle: MediumPavilion 37.7°Culet: LargeDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $4,390 SGD|Low: $1,036 SGD|High: $4,426 SGD|Avg: $2,248 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$1,036 SGD
Retailer 3$1,043 SGD
Retailer 7$1,339 SGD
Retailer 2$1,800 SGD
Retailer 8$1,835 SGD
Retailer 9$2,092 SGD
Retailer 6$3,186 SGD
Retailer 5$3,390 SGD
MOH London$4,390 SGD

10 data points across 9 retailers

7 retailers$959 SGD to $4,390 SGD

B+
Cheapest Retailer
-
$959 SGD
$748 USD
B+
Retailer 2
-
$1,043 SGD
$814 USD
View
B
Retailer 3
-
$1,113 SGD
$868 USD
View
B
Retailer 4
-
$1,800 SGD
$1,404 USD
View
C
Retailer 5
-
$3,127 SGD
$2,440 USD
View
C
Retailer 6
-
$3,390 SGD
CA$3,674 CAD
View
Most Expensive
C
MOH London
LG546230309 · Oct 29
$4,390 SGD
£2,697 GBP
View
6 more retailers have this diamond
Prices start from $959 SGDSave up to $3,431 SGD

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.

B+
1.78ct Emerald
$959 SGD