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Heart|Lab Grown|IGI

1.21ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG812604802

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812604802

Diamond specifications and retailer prices

From $198 USD
As of November 2, 2026
Save $1,702 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,900 USD at Do Amore Diamonds · As of November 1, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812604802 or 812604802. Listed at 11 retailers as of November 1, 2026, with prices from $198 to $1,900, a $1,702 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
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812604802
Dimensions7.33 × 6.59 × 4.27 mm
L/W Ratio1.11
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
7.33 mm6.59 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812604802
Side View
Table 58.0%Crown 39°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 58.3%

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 2
Current: $1,900 USD|Low: $198 USD|High: $2,130 USD|Avg: $793 USD|-10.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$198 USD
Retailer 9$221 USD
Retailer 10$229 USD
Retailer 11$295 USD
Retailer 8$334 USD
Retailer 2$661 USD
Retailer 4$713 USD
Retailer 7$869 USD
Retailer 5$1,090 USD
Retailer 3$1,410 USD
Do Amore Diamonds$1,900 USD

29 data points across 11 retailers

11 retailers$198 USD to $1,900 USD

A
Cheapest Retailer
-
$198 USD
A
Retailer 2
-
$221 USD
View
Final sale: no returns
A
Retailer 3
-
$229 USD
View
A
Retailer 4
-
$295 USD
View
B+
Retailer 5
-
$334 USD
View
B+
Retailer 6
-
$661 USD
A$1,017 AUD
View
B+
Retailer 7
-
$713 USD
View
B+
Retailer 8
-
$869 USD
View
B+
Retailer 9
-
$1,090 USD
£858 GBP
View
B
Retailer 10
-
$1,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-C3FCD2A62 · Nov 1
$1,900 USD
View
10 more retailers have this diamond
Prices start from $198 USDSave up to $1,702 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
$198 USD