Emerald|Lab Grown|IGI

1.21ct D VS1 Emerald Lab Grown Diamond

ID • D/VS1 • IGI LG828670632

Shape and cutting style on the report: Emerald cut

Certificate IGI LG828670632

Diamond specifications and retailer prices

From $310 USD
As of October 30, 2026
Save $681 USD (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,034 USD at MOH London · As of October 21, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828670632 or 828670632. Listed at 8 retailers as of October 30, 2026, with a 220% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828670632
Dimensions7.22 × 5.17 × 3.02 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm5.17 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828670632
Side View
Table 69.0%Crown 36.9°Girdle: MediumPavilion 39.3°Culet: LargeDepth 58.4%

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: $1,034 USD|Low: $310 USD|High: $23,713 USD|Avg: $2,183 USD|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$310 USD
Retailer 6$368 USD
Retailer 7$452 USD
Retailer 11$476 USD
Retailer 10$705 USD
Retailer 5$708 USD
Retailer 3$753 USD
Retailer 2$818 USD
Retailer 8$991 USD
MOH London$1,034 USD
Retailer 9$23,713 USD

38 data points across 11 retailers

8 retailers$310 USD to $991 USD

B+
Cheapest Retailer
-
$310 USD
A
Retailer 2
-
$368 USD
View
Retailer 3
-
$452 USD
£356 GBP
View
Price last confirmed 8 days ago
Retailer 4
-
$705 USD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
$708 USD
A$1,089 AUD
View
B
Retailer 6
-
$818 USD
View
B
Retailer 7
-
$991 USD
View
Most Expensive
MOH London
LG828670632 · Oct 21
$1,034 USD
£814 GBP
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from $310 USDSave up to $681 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
$310 USD