Heart|Lab Grown|IGI

1.21ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG842638596

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842638596

Diamond specifications and retailer prices

From $191 USD
As of October 30, 2026
Save $1,639 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,830 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842638596 or 842638596. Listed at 16 retailers as of October 30, 2026, with prices from $191 to $1,830, a $1,639 spread on the same certified stone. Do Amore Diamonds lists it at $1,830. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842638596
Dimensions6.73 × 7.46 × 4.03 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.73 mm7.46 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842638596
Side View
Table 61.0%Crown 28.5°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 54.0%

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: $1,830 USD|Low: $191 USD|High: $1,830 USD|Avg: $660 USD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5$191 USD
Retailer 16$221 USD
Retailer 13$329 USD
Retailer 6$347 USD
Retailer 8$358 USD
Retailer 4$415 USD
Retailer 3$483 USD
Retailer 11$638 USD
Retailer 2$690 USD
Retailer 15$704 USD
Retailer 10$744 USD
Retailer 14$764 USD
Retailer 7$840 USD
Retailer 12$1,046 USD
Retailer 9$1,053 USD
Do Amore Diamonds$1,830 USD

18 data points across 16 retailers

16 retailers$191 USD to $1,830 USD

A
Cheapest Retailer
-
$191 USD
A
Retailer 2
-
$221 USD
View
Retailer 3
-
$329 USD
£259 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$347 USD
View
A
Retailer 5
-
$358 USD
HK$2,800 HKD
View
A
Retailer 6
-
$415 USD
View
B+
Retailer 7
-
$483 USD
View
B+
Retailer 8
-
$638 USD
A$982 AUD
View
B+
Retailer 9
-
$690 USD
View
B+
Retailer 10
-
$704 USD
View
B
Retailer 11
-
$744 USD
A$1,144 AUD
View
B
Retailer 12
-
$764 USD
View
B
Retailer 13
-
$840 USD
View
B
Retailer 14
-
$1,046 USD
SGD 1,414 SGD
View
B
Retailer 15
-
$1,053 USD
£829 GBP
View
Most Expensive
B
Do Amore Diamonds
27-04F2FCAFF · Oct 31
$1,830 USD
View
15 more retailers have this diamond
Prices start from $191 USDSave up to $1,639 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 Heart
$191 USD