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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG572344415

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG572344415

Diamond specifications and retailer prices

From $192 USD
As of October 30, 2026
Save $977 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,169 USD at Reve Diamonds · As of November 1, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG572344415 or 572344415. Listed at 22 retailers as of October 30, 2026, with prices from $192 to $1,169, a $977 spread on the same certified stone. Reve Diamonds lists it at $1,169. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG572344415
Dimensions7.44 × 6.44 × 4.37 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
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
7.44 mm6.44 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG572344415
Side View
Table 63.0%Crown 32.9°Girdle: MED-THKPavilion 43.8°Culet: NoneDepth 58.7%

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: Oct 30
Current: $435 USD|Low: $185 USD|High: $1,129 USD|Avg: $520 USD|+2.7%
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
November 2, 2026
Retailer 2$192 USD
Retailer 5$223 USD
Retailer 3$239 USD
Retailer 8$319 USD
Retailer 12$322 USD
Retailer 6$412 USD
Retailer 1$435 USD
Retailer 9$573 USD
Retailer 13$582 USD
Retailer 4$767 USD
Retailer 11$779 USD
Retailer 10$810 USD
Retailer 7$1,115 USD

36 data points across 13 retailers

22 retailers$192 USD to $1,169 USD

A
Cheapest Retailer
-
$192 USD
A
Retailer 2
-
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$223 USD
View
A
Retailer 4
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$239 USD
View
Retailer 5
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$239 USD
View
Price last confirmed 7 days ago
A
Retailer 6
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$319 USD
£251 GBP
View
B+
Retailer 7
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$322 USD
View
A
Retailer 8
-
$412 USD
ZAR 6,654 ZAR
View
A
Retailer 9
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$435 USD
£342 GBP
View
B+
Retailer 10
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$462 USD
View
B+
Retailer 11
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$479 USD
View
B+
Retailer 12
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$559 USD
View
B+
Retailer 13
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$573 USD
View
B+
Retailer 14
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$582 USD
A$896 AUD
View
B
Retailer 15
-
$767 USD
View
Retailer 16
-
$770 USD
View
Price last confirmed 11 days ago
B+
Retailer 17
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$779 USD
A$1,199 AUD
View
B
Retailer 18
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$804 USD
View
B+
Retailer 19
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$810 USD
View
B
Retailer 20
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$821 USD
View
B
Retailer 21
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$1,115 USD
£878 GBP
View
Most Expensive
B
Reve Diamonds
9377C4D1C · Nov 1
$1,169 USD
View
21 more retailers have this diamond
Prices start from $192 USDSave up to $977 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
$192 USD