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Emerald|Lab Grown|IGI

1.21ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG598309898

Shape and cutting style on the report: Emerald cut

Certificate IGI LG598309898

Diamond specifications and retailer prices

From $161 USD
As of October 27, 2026
Save $1,389 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,550 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598309898 or 598309898. Listed at 10 retailers as of October 27, 2026, with prices from $161 to $1,550, a $1,389 spread on the same certified stone. Do Amore Diamonds lists it at $1,550. 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

1.21
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598309898
Dimensions7.35 × 4.94 × 3.25 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
7.35 mm4.94 mm1.21 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598309898
Side View
Table 64.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: LargeDepth 65.8%

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 27
Current: $1,550 USD|Low: $156 USD|High: $1,560 USD|Avg: $637 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 5$161 USD
Retailer 10$182 USD
Retailer 3$187 USD
Retailer 7$362 USD
Retailer 9$670 USD
Retailer 4$678 USD
Retailer 6$709 USD
Retailer 8$732 USD
Retailer 2$1,033 USD
Do Amore Diamonds$1,550 USD

22 data points across 10 retailers

10 retailers$161 USD to $1,550 USD

A
Cheapest Retailer
-
$161 USD
A
Retailer 2
-
$182 USD
View
Final sale: no returns
A
Retailer 3
-
$187 USD
View
B+
Retailer 4
-
$362 USD
View
B
Retailer 5
-
$670 USD
View
B
Retailer 6
-
$678 USD
View
B
Retailer 7
-
$709 USD
View
B
Retailer 8
-
$732 USD
View
B
Retailer 9
-
$1,033 USD
£813 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0A4E49318 · Oct 27
$1,550 USD
View
9 more retailers have this diamond
Prices start from $161 USDSave up to $1,389 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
$161 USD