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Heart|Lab Grown|IGI

1.21ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG620414207

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620414207

Diamond specifications and retailer prices

From $267 USD
As of October 30, 2026
Save $1,200 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,370 USD at Do Amore Diamonds · As of October 30, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620414207 or 620414207. Listed at 20 retailers as of October 26, 2026, with a 449% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620414207
Dimensions6.63 × 7.41 × 4.28 mm
L/W Ratio1.12
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
6.63 mm7.41 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620414207
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 57.8%

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: $2,370 USD|Low: $267 USD|High: $2,370 USD|Avg: $755 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 4$267 USD
Retailer 15$298 USD
Retailer 5$331 USD
Retailer 6$434 USD
Retailer 7$443 USD
Retailer 12$460 USD
Retailer 14$490 USD
Retailer 10$628 USD
Retailer 2$648 USD
Retailer 8$681 USD
Retailer 9$808 USD
Retailer 13$1,017 USD
Retailer 3$1,405 USD
Retailer 11$1,467 USD
Do Amore Diamonds$2,370 USD

41 data points across 15 retailers

20 retailers$267 USD to $1,467 USD

A
Cheapest Retailer
-
$267 USD
A
Retailer 2
-
$298 USD
View
Final sale: no returns
A
Retailer 3
-
$310 USD
View
A
Retailer 4
-
$331 USD
View
A
Retailer 5
-
$331 USD
View
A
Retailer 6
-
$355 USD
View
B+
Retailer 7
-
$434 USD
View
B+
Retailer 8
-
$443 USD
View
Retailer 9
-
$460 USD
£362 GBP
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$490 USD
View
B+
Retailer 11
-
$628 USD
ZAR 10,144 ZAR
View
B+
Retailer 12
-
$648 USD
£510 GBP
View
B+
Retailer 13
-
$681 USD
A$1,048 AUD
View
B
Retailer 14
-
$808 USD
A$1,243 AUD
View
B
Retailer 15
-
$1,017 USD
View
B
Retailer 16
-
$1,175 USD
View
B
Retailer 17
-
$1,340 USD
View
B
Retailer 18
-
$1,405 USD
View
B
Retailer 19
-
$1,467 USD
£1,155 GBP
View
Most Expensive
Do Amore Diamonds
27-F7317B76B · Oct 30
$2,370 USD
View
Price under review
19 more retailers have this diamond
Prices start from $267 USDSave up to $1,200 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
$267 USD