Emerald|Lab Grown|IGI

1.21ct G SI1 Emerald Lab Grown Diamond

GD • G/SI1 • IGI LG753503183

Shape and cutting style on the report: Emerald cut

Certificate IGI LG753503183

Diamond specifications and retailer prices

From $117 USD
As of October 30, 2026
Save $1,091 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,208 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG753503183 or 753503183. Listed at 12 retailers as of October 30, 2026, with prices from $117 to $1,208, a $1,091 spread on the same certified stone. MOH London lists it at $1,208. 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

1.21
Carat
G
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle43.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753503183
Dimensions7.22 × 5.04 × 3.40 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm5.04 mm1.21 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753503183
Side View
Table 68.0%Crown 35.3°Girdle: MediumPavilion 43.9°Culet: LargeDepth 67.5%

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: $1,208 USD|Low: $117 USD|High: $1,208 USD|Avg: $390 USD
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
Retailer 15
November 1, 2026
Retailer 9$117 USD
Retailer 4$135 USD
Retailer 10$154 USD
Retailer 15$166 USD
Retailer 3$282 USD
Retailer 14$282 USD
Retailer 2$295 USD
Retailer 5$300 USD
Retailer 11$401 USD
Retailer 13$465 USD
Retailer 8$519 USD
Retailer 12$550 USD
Retailer 6$722 USD
Retailer 7$740 USD
MOH London$1,208 USD

6 data points across 15 retailers

12 retailers$117 USD to $1,208 USD

A
Cheapest Retailer
-
$117 USD
B+
Retailer 2
-
$135 USD
View
B+
Retailer 3
-
$154 USD
View
B+
Retailer 4
-
$166 USD
HK$1,300 HKD
View
B+
Retailer 5
-
$282 USD
£222 GBP
View
B
Retailer 6
-
$282 USD
View
B+
Retailer 7
-
$295 USD
£233 GBP
View
B+
Retailer 8
-
$401 USD
View
B+
Retailer 9
-
$465 USD
View
B+
Retailer 10
-
$519 USD
View
B
Retailer 11
-
$550 USD
View
Most Expensive
C
MOH London
LG753503183 · Nov 1
$1,208 USD
£951 GBP
View
11 more retailers have this diamond
Prices start from $117 USDSave up to $1,091 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
1.21ct Emerald
$117 USD