Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

VG • D/VS1 • IGI LG837660882

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837660882

Diamond specifications and retailer prices

From $196 USD
As of October 30, 2026
Save $985 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,181 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 very-good cut grade and certified by IGI LG837660882 or 837660882. Listed at 17 retailers as of October 30, 2026, with prices from $196 to $1,181, a $985 spread on the same certified stone. Reve Diamonds lists it at $1,181. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837660882
Dimensions6.23 × 7.31 × 4.37 mm
L/W Ratio1.17
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
6.23 mm7.31 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837660882
Side View
Table 56.0%Crown 39.8°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $444 USD|Low: $196 USD|High: $1,181 USD|Avg: $540 USD|+2.6%
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Retailer 16
Reve Diamonds
November 2, 2026
Retailer 7$196 USD
Retailer 4$218 USD
Retailer 3$227 USD
Retailer 6$243 USD
Retailer 11$324 USD
Retailer 2$325 USD
Retailer 9$419 USD
Retailer 1$444 USD
Retailer 16$464 USD
Retailer 15$488 USD
Retailer 12$580 USD
Retailer 14$593 USD
Retailer 5$781 USD
Retailer 13$787 USD
Retailer 8$835 USD
Retailer 10$1,135 USD
Reve Diamonds$1,181 USD

15 data points across 17 retailers

17 retailers$196 USD to $1,181 USD

A
Cheapest Retailer
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$196 USD
A
Retailer 2
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$218 USD
View
Final sale: no returns
A
Retailer 3
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$227 USD
View
A
Retailer 4
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$243 USD
View
A
Retailer 5
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$324 USD
£256 GBP
View
B+
Retailer 6
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$325 USD
View
B+
Retailer 7
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$419 USD
ZAR 6,775 ZAR
View
B+
Retailer 8
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$444 USD
£350 GBP
View
B+
Retailer 9
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$464 USD
View
B+
Retailer 10
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$488 USD
View
B+
Retailer 11
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$580 USD
View
B+
Retailer 12
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$593 USD
A$912 AUD
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B
Retailer 13
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$781 USD
View
B
Retailer 14
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$787 USD
A$1,210 AUD
View
B
Retailer 15
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$835 USD
View
B
Retailer 16
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$1,135 USD
£894 GBP
View
Most Expensive
B
Reve Diamonds
BBE411C40 · Nov 1
$1,181 USD
View
16 more retailers have this diamond
Prices start from $196 USDSave up to $985 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
$196 USD