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Heart|Lab Grown|IGI

1.21ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG836617921

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836617921

Diamond specifications and retailer prices

From $221 USD
As of November 1, 2026
Save $1,679 USD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,900 USD at Do Amore Diamonds · As of November 2, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836617921 or 836617921. Listed at 9 retailers as of November 1, 2026, with prices from $221 to $1,900, a $1,679 spread on the same certified stone. Do Amore Diamonds lists it at $1,900. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617921
Dimensions7.38 × 6.60 × 4.15 mm
L/W Ratio1.12
Girdle conditionFaceted
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
7.38 mm6.60 mm1.21 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617921
Side View
Table 64.0%Crown 34.6°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 56.2%

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: Nov 1
Current: $1,900 USD|Low: $221 USD|High: $1,900 USD|Avg: $690 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$221 USD
Retailer 7$293 USD
Retailer 5$331 USD
Retailer 8$332 USD
Retailer 3$661 USD
Retailer 4$713 USD
Retailer 2$1,083 USD
Do Amore Diamonds$1,900 USD

13 data points across 8 retailers

9 retailers$221 USD to $1,900 USD

A
Cheapest Retailer
-
$221 USD
Final sale: no returns
A
Retailer 2
-
$293 USD
View
A
Retailer 3
-
$331 USD
£261 GBP
View
B+
Retailer 4
-
$332 USD
View
B+
Retailer 5
-
$661 USD
A$1,017 AUD
View
B+
Retailer 6
-
$713 USD
View
B
Retailer 7
-
$1,050 USD
View
B
Retailer 8
-
$1,083 USD
£853 GBP
View
Most Expensive
B
Do Amore Diamonds
27-120D824F4 · Nov 2
$1,900 USD
View
8 more retailers have this diamond
Prices start from $221 USDSave up to $1,679 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
$221 USD