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Heart|Lab Grown|IGI

1.21ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG828628217

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828628217

Diamond specifications and retailer prices

From $204 USD
As of November 4, 2026
Save $938 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,142 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828628217 or 828628217. Listed at 15 retailers as of November 4, 2026, with prices from $204 to $1,142, a $938 spread on the same certified stone. Reve Diamonds lists it at $1,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828628217
Dimensions7.40 × 6.39 × 4.43 mm
L/W Ratio1.16
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
7.40 mm6.39 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828628217
Side View
Table 59.0%Crown 35.4°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $790 USD|Low: $197 USD|High: $1,142 USD|Avg: $565 USD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 5, 2026
Retailer 11$204 USD
Retailer 5$219 USD
Retailer 9$393 USD
Retailer 13$402 USD
Retailer 6$407 USD
Retailer 12$435 USD
Retailer 4$499 USD
Retailer 8$555 USD
Retailer 7$592 USD
Retailer 3$664 USD
Retailer 2$786 USD
Retailer 1$790 USD
Retailer 10$1,065 USD
Reve Diamonds$1,142 USD

42 data points across 14 retailers

15 retailers$204 USD to $1,142 USD

A
Cheapest Retailer
-
$204 USD
Final sale: no returns
Retailer 2
-
$205 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$216 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
$393 USD
View
A
Retailer 5
-
$402 USD
View
B+
Retailer 6
-
$407 USD
View
B+
Retailer 7
-
$435 USD
View
B+
Retailer 8
-
$499 USD
View
B+
Retailer 9
-
$555 USD
View
B+
Retailer 10
-
$592 USD
View
Retailer 11
-
$664 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$786 USD
View
B
Retailer 13
-
$790 USD
View
B
Retailer 14
-
$1,065 USD
View
Most Expensive
B
Reve Diamonds
DF89F0F0E · Nov 4
$1,142 USD
View
14 more retailers have this diamond
Prices start from $204 USDSave up to $938 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
$204 USD