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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG607354740

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG607354740

Diamond specifications and retailer prices

From $219 USD
As of October 30, 2026
Save $1,036 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,255 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 LG607354740 or 607354740. Listed at 19 retailers as of October 30, 2026, with prices from $219 to $1,255, a $1,036 spread on the same certified stone. Reve Diamonds lists it at $1,255. 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 angle34.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607354740
Dimensions7.52 × 6.43 × 4.36 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.52 mm6.43 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607354740
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 58.0%

Caratlytics Score

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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: $505 USD|Low: $217 USD|High: $1,255 USD|Avg: $598 USD|+20.2%
Retailer 1
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Retailer 18
Reve Diamonds
November 2, 2026
Retailer 2$219 USD
Retailer 7$245 USD
Retailer 15$254 USD
Retailer 4$272 USD
Retailer 5$272 USD
Retailer 18$365 USD
Retailer 9$464 USD
Retailer 11$469 USD
Retailer 17$473 USD
Retailer 1$505 USD
Retailer 6$589 USD
Retailer 14$664 USD
Retailer 12$740 USD
Retailer 10$771 USD
Retailer 3$874 USD
Retailer 16$877 USD
Retailer 8$927 USD
Retailer 13$1,095 USD
Reve Diamonds$1,255 USD

34 data points across 19 retailers

19 retailers$219 USD to $1,255 USD

A
Cheapest Retailer
-
$219 USD
A
Retailer 2
-
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$254 USD
View
A
Retailer 4
-
$272 USD
View
Retailer 5
-
$272 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$365 USD
£287 GBP
View
Price last confirmed 16 days ago
B+
Retailer 7
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$464 USD
View
B+
Retailer 8
-
$469 USD
ZAR 7,581 ZAR
View
B+
Retailer 9
-
$473 USD
View
B+
Retailer 10
-
$505 USD
£398 GBP
View
B+
Retailer 11
-
$589 USD
View
B+
Retailer 12
-
$664 USD
A$1,022 AUD
View
B+
Retailer 13
-
$740 USD
View
B
Retailer 14
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$771 USD
View
B
Retailer 15
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$874 USD
View
B
Retailer 16
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$877 USD
View
B
Retailer 17
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$927 USD
View
B
Retailer 18
-
$1,095 USD
£862 GBP
View
Most Expensive
B
Reve Diamonds
2B0C87D7B · Nov 1
$1,255 USD
View
18 more retailers have this diamond
Prices start from $219 USDSave up to $1,036 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
$219 USD