Emerald|Lab Grown|IGI

1.21ct D VS1 Emerald Lab Grown Diamond

EX • D/VS1 • IGI LG819623723

Shape and cutting style on the report: Emerald cut

Certificate IGI LG819623723

Diamond specifications and retailer prices

From $305 USD
As of October 30, 2026
Save $985 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,290 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG819623723 or 819623723. Listed at 14 retailers as of October 28, 2026, with prices from $305 to $1,290, a $985 spread on the same certified stone. Brilliant Earth lists it at $1,290. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819623723
Dimensions6.99 × 4.96 × 3.39 mm
L/W Ratio1.41
Culet sizeLarge
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
6.99 mm4.96 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819623723
Side View
Table 64.0%Crown 36°Girdle: MED-STKPavilion 37.3°Culet: LargeDepth 68.3%

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: $1,290 USD|Low: $227 USD|High: $1,330 USD|Avg: $608 USD|-3.0%
Brilliant Earth
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$227 USD
Retailer 3$305 USD
Retailer 7$374 USD
Retailer 10$391 USD
Retailer 2$411 USD
Retailer 5$460 USD
Retailer 14$474 USD
Retailer 13$484 USD
Retailer 11$680 USD
Retailer 9$686 USD
Retailer 4$735 USD
Retailer 6$785 USD
Retailer 8$1,069 USD
Brilliant Earth$1,290 USD

42 data points across 14 retailers

14 retailers$305 USD to $1,290 USD

Retailer 1
-
$227 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
$305 USD
View
A
Retailer 3
-
$374 USD
€356 EUR
View
A
Retailer 4
-
$391 USD
ZAR 6,311 ZAR
View
A
Retailer 5
-
$411 USD
£324 GBP
View
A
Retailer 6
-
$460 USD
View
A
Retailer 7
-
$474 USD
View
Retailer 8
-
$484 USD
View
Price last confirmed 15 days ago
B+
Retailer 9
-
$680 USD
View
B+
Retailer 10
-
$686 USD
A$1,056 AUD
View
B+
Retailer 11
-
$750 USD
View
B
Retailer 12
-
$785 USD
View
B
Retailer 13
-
$1,069 USD
£842 GBP
View
Most Expensive
B
Brilliant Earth
20754535A · Oct 28
$1,290 USD
View
13 more retailers have this diamond
Prices start from $305 USDSave up to $985 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
$305 USD